Numerous opportunist diseases might attack people suffering from the following diseases?

Balochistan Mock 3
Biology
Bio-diversity | Variety of Life
A) Measles
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B) Influenza
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C) Hepatitis A
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D) AIDS
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Transcription is the process in which an RNA copy of the DNA sequence and coding the gene is produced with the help of an enzyme called:

Balochistan Mock 3
Biology
Chromosomes and DNA
Translation
A) DNA polymerase
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B) RNA polymerase
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C) DNA transcriptase
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D) RNA transcriptase
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Each air-sac consists of several microscopic single layered structures called:

Balochistan Mock 3
Biology
Gaseous Exchange
Respiratory System of Man
A) bronchioles
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B) windpipe
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C) bronchi
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D) alveoli
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What is the effect of enzyme DNA ligase?

Balochistan Mock 3
Biology
Chromosomes and DNA
The Chemical Nature of DNA
A) DNA is broken up at specific sites
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B) DNA fragments are joined together
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C) DNA replication occurs
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D) DNA transcription occurs
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Which element has a function in opening and closing of stomata?

Balochistan Mock 3
Biology
Transport
A) K
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B) Mg
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C) Cu
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D) Fe
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At what times is there a no net gaseous exchange between leaves and the atmosphere?

Balochistan Mock 3
Biology
Bioenergetics
Introduction to Photosynthesis
A) Day
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B) Night
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C) Dawn and Dusk
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D) Midnight
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Circulatory system is open type in all of the following except?

Balochistan Mock 3
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Arthropoda
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B) Gastropoda
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C) Pelecypoda
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D) Cephalopoda
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Which of the following is NOT TRUE about the Human Immunodeficiency virus (HIV)?

Balochistan Mock 3
Biology
Bio-diversity | Variety of Life
A) It is a retrovirus
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B) It is surrounded by an envelope
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C) It does not cause AIDS
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D) It causes deficiency of the human immune system
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This theory says that “mitochondria and chloroplasts are, in effect, ancient bacteria which now live inside the larger cells”:

Balochistan Mock 3
Biology
Evolution
A) Darwin’s theory of evolution
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B) Lamarckism
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C) Neo – darwinism
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D) Endosymbiont theory
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The organs which are similar in function but differ in structure are called:

Balochistan Mock 3
Biology
Evolution
A) Analogous organs
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B) Homologous organs
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C) Convergent evolution
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D) Divergent evolution
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Interconversion of carbohydrates, proteins, and lipids in living cells are an example of?

Balochistan Mock 3
Biology
Nutrition
Digestion and Absorption
A) Coordinated catabolic activities
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B) Coordinated anabolic activities
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C) Both a and b
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D) None of these
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In humans, only one ovum is usually discharged from the ovary at a time. This phenomenon is called?

Balochistan Mock 3
Biology
Reproduction
Reproduction in Females
A) Ovulation
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B) Menstruation
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C) Oestrous
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D) All of these
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The uterus of the female reproductive system opens into the?

Balochistan Mock 3
Biology
Reproduction
Reproduction in Females
A) Placenta
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B) Birth canal
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C) Cervix
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D) All of these
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Which of the following is not related to the enveloped virus?

Balochistan Mock 3
Biology
Bio-diversity | Variety of Life
A) They survive for a long time
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B) Their envelope is not sensitive to sunlight
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C) They are tolerant to antibodies
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D) Envelope is derived from host
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What are osteocytes?

Balochistan Mock 3
Biology
Support and Movement
Support and Movement in Animals
A) White blood cells
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B) Bone cell
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C) Brain cell
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D) None of these
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Which of the following is a form of asexual reproduction in prokaryotic cells?

Balochistan Mock 3
Biology
Kingdom Prokaryote
Growth and Reproduction in Bacteria
A) Binary fission and mitosis
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B) Binary fission and meiosis
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C) Binary fission and transformation
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D) Binary fission
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Cholesterol is:

Balochistan Mock 3
Biology
Biological Molecules
Lipids
A) Animal sterol
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B) C27H46O
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C) 5 methyl groups
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D) All of these
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Which of the following is the respiratory surface in human beings?

Balochistan Mock 3
Biology
Gaseous Exchange
Respiratory System of Man
A) Lungs
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B) Alveoli
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C) Windpipe
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D) alveolar duct
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Which of the following is the name of the modified endoplasmic reticulum foundin muscle cells?

Balochistan Mock 3
Biology
Support and Movement
Ultrastructure & Mechanism of Skeletal Muscle Contraction
A) T-tubule
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B) Sarcomere
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C) Myoplasmic reticulum
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D) Sarcoplasmic reticulum
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Select a method which causes the oxidation of chemical constituent of a bacterial cell:

Balochistan Mock 3
Biology
Kingdom Prokaryote
Importance and Control of bacteria
A) Steam
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B) Dry heat
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C) Filtration
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D) Radiation
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In Morgan’s linkage experiment, when males and females of F2 generation mate with each other and produce offspring, the percentage of recombinants was:

Balochistan Mock 3
Biology
Variation and Genetics
Sex Linkage
A) 37
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B) 22
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C) 2
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D) 70
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Carbohydrate catabolism is concerned with the fate of:

Balochistan Mock 3
Biology
Nutrition
Digestion and Absorption
A) ATP
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B) Glucose
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C) Aminoacid
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D) All of these
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Vertebrates belong to phylum chordata because:

Balochistan Mock 3
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) They have a vertebral column
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B) The brain is enclosed by the skull
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C) The embryos have gills
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D) The body develops from three germinal layers
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Skeletal muscle is composed of cells collectively referred to as

Balochistan Mock 3
Biology
Support and Movement
Types of Muscles
A) Muscle fibrin
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B) Muscle fibers
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C) Sarcomere
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D) None of these
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Biorhythms are called circadian which means about one day so they are also called?

Balochistan Mock 3
Biology
Coordination and Control
Coordination in Animals
A) diurnal tempo
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B) diurnal time
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C) diurnal rhythms
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D) all of these
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Which one of the following is found in both messenger RNA and DNA of a mammalian cell?

Balochistan Mock 3
Biology
Biological Molecules
Nucleic Acids
A) Double helical structure
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B) Ribose sugar
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C) Thymine
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D) Sugar – phosphate backbone
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An example of a bacteria requiring low concentration of oxygen is?

Balochistan Mock 3
Biology
Kingdom Prokaryote
Taxonomy, Ecology & Diversity of Bacteria
A) Spirochete
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B) Ecoli
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C) Pseudomonas
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D) Campylobacter
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The end product in anaerobic respiration is:

Balochistan Mock 3
Biology
Bioenergetics
Anaerobic Respiration
A) Ethanol and Carbon dioxide
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B) Lactate
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C) Pyruvate
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D) Both A and B
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Photophosphorylation takes place in the _____ of the chloroplasts:

Balochistan Mock 3
Biology
Bioenergetics
Respiration Mechanism – Glycolysis to Electron Transport Chain
A) Stroma
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B) Granum
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C) Inner membrane
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D) Outer membrane
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Which type of bonds are never formed when a substrate fits into the active site of an enzyme?

Balochistan Mock 3
Biology
A) Hydrogen bonds
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B) Ionic interactions
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C) Hydrophobic interactions
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D) Covalent linkages
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Reverse transcriptase is a useful enzyme to have when

Balochistan Mock 3
Biology
Variety of Life
A) RNA virus converts its RNA to DNA
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B) there are no host cells present
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C) nutrients are scarce
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D) spikes are forming in the new virus
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During meiosis, the homologous chromosomes come together and form pairs, this process is called:

Balochistan Mock 3
Biology
Cell Cycle
Meiosis
A) Linkage
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B) Synapsis
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C) Pairing
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D) Crossing over
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PS I has chlorophyll a molecule which absorbs maximum light of __ nm?

Balochistan Mock 3
Biology
Bioenergetics
Light Independent Mechanism of Photosynthesis
A) 600
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B) 650
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C) 680
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D) 700
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This carries the egg to the uterus.

Balochistan Mock 3
Biology
Reproduction
Reproduction in Females
A) Fallopian tube
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B) Ovary
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C) Cervix
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D) Vagina
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The infection of lungs is called:

Balochistan Mock 3
Biology
Gaseous Exchange
Respiratory Disorders
A) Emphysema
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B) Asthma
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C) Pneumonia
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D) Bronchitis
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The specificity of an enzyme is due which of the following?

Balochistan Mock 3
Biology
A) protein nature
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B) active site
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C) globular shape
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D) cofactor
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Hemoglobin synthesis takes place in all except ____________.

Balochistan Mock 3
Biology
Transport
A) Reticulocytes
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B) Erythrocyte
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C) Basiophilic erythroblasts
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D) None of these
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The enzyme-substrate complex is formed in which part of the enzyme molecule?

Balochistan Mock 3
Biology
A) Binding site
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B) Allosteric site
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C) Catalytic site
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D) None of the above
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Enzymes which are involved in transfer of electrons are known as?

Balochistan Mock 3
Biology
A) oxidases
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B) dehydrogenases
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C) hydrolyses
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D) both a and b
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Pinworm is a common name used for which of the following?

Balochistan Mock 3
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Rhabditis
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B) Ancylostoma duodenale
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C) Taenia solium
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D) Enterobius vermicularis
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Primordial soup is a set of hypothetical conditions on ancient earth first proposed by?

Balochistan Mock 3
Biology
Evolution
A) Dmitri Ivanovsky
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B) Dmitry Anuchin
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C) Nikolay Shatsky
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D) Alexander Oparin
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______ occurs because natural selection gives some alleles a better chance of survival than others:

Balochistan Mock 3
Biology
Evolution
A) Fitness
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B) Evolution
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C) Crossing over
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D) Artificial Selection
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Which of the following causes Mad Cow Disease?

Balochistan Mock 3
Biology
Bio-diversity | Variety of Life
A) Prion
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B) Virus
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C) Bacteria
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D) Both a and b
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The offspring of mating between two pure stains are called:

Balochistan Mock 3
Biology
Chromosomes and DNA
DNA as hereditary material
A) Hybrid
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B) The P generation
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C) Mutants
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D) The F2 generation
Show ExplanationThe offspring of mating between two pure stains are called:

Balochistan Mock 3
Biology
Chromosomes and DNA
DNA as hereditary material
A) Hybrid
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B) The P generation
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C) Mutants
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D) The F2 generation
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The total aggregate of genes in a population at any one time is called population’s?

Balochistan Mock 3
Biology
Variation and Genetics
Mendelian Inheritance
A) genome
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B) gene pool
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C) genetic group
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D) genomic library
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The scrotum is responsiblefor·which of the following in the male reproductive system?

Balochistan Mock 3
Biology
Reproduction
Reproduction in Males
A) Synthesis of sperm
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B) Lubrication
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C) Nourishment of sperm
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D) Temperature regulation
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The furan ring is an important structural component of biological molecules. How many carbon atoms are required to form ribofuranose?

Balochistan Mock 3
Biology
Biological Molecules
Carbohydrates
A) 3
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B) 5
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C) 6
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D) 2
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The cells in our body are all genetically identical, apart from the:

Balochistan Mock 3
Biology
Growth and Development
Growth and Development in Animals
A) Somatic cells
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B) Reproductive cells
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C) Muscle fibers
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D) White blood cells
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Two populations of the same species over time grow distant from one another. At what point will these two populations be considered different species?

Balochistan Mock 3
Biology
Evolution
A) When the populations begin to eat different foods
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B) When there is a physical barrier, such as a river, between the two population
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C) When the two populations have not been in contact with one another for two hundred years
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D) When they are no longer able to interbreed
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The semi-solid mass in stomach is known as:

Balochistan Mock 3
Biology
Nutrition
Digestion and Absorption
A) Bolus
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B) Chyme
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C) Serum
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D) Food
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Select an anamniote from the following:

Balochistan Mock 3
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Snake
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B) Parrot
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C) Frog
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D) Crocodile
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A smallest contractile unit of muscle contraction called sarcomere is the area between two?

Balochistan Mock 3
Biology
Support and Movement
Ultrastructure & Mechanism of Skeletal Muscle Contraction
A) H zone
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B) M line
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C) Z line
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D) Z zone
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What is the most important structure between body and brain?

Balochistan Mock 3
Biology
Coordination and Control
Central Nervous System
A) Neck
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B) Spinal cord
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C) Blood vessels
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D) Skeleton
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The complete, mature and infection virus particle is known as:

Balochistan Mock 3
Biology
Bio-diversity | Variety of Life
A) Venome
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B) Genome
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C) Virion
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D) Capsid
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These animals have three germinal layers but no coelom

Balochistan Mock 3
Biology
Kingdom Animalia
Classification according to Coelem
A) Flat worms
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B) Round worms
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C) Cnidarians
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D) Chordates
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The lipid vesicles used for drug delivery system called

Balochistan Mock 3
Biology
Biological Molecules
Lipids
A) inositides
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B) lipoproteins
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C) liposomes
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D) drugoles
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Which of the following are assembled and disassembled during the cell cycle?

Balochistan Mock 3
Biology
Cell Cycle
Meiosis
A) microtubules
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B) microfilaments
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C) all of these
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D) none of these
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Thymus, spleen, tonsils and adenoids produce:

Balochistan Mock 3
Biology
Transport
A) erythrocytes
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B) lymphocytes
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C) phagocytes
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D) thrombocytes
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Which of the following is TRUE about the structure of a typical bacterium?

Balochistan Mock 3
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) It has cell wall
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B) It has cytoplasm
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C) It has genetic material
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D) All of the above
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Which type of evolution is represented by analogous organs?

Balochistan Mock 3
Biology
Evolution
A) Divergent evolution
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B) Straight evolution
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C) Zig-zag evolution
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D) Convergent evolution
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In a typical menstrual cycle of 28 days, what is the most likely fertile period?

Balochistan Mock 3
Biology
Reproduction
Reproduction in Females
A) Days 5 to 10
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B) Days 1 to 5
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C) Days 14 to 15
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D) Days11to14
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Centrosome is found in:

Balochistan Mock 3
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) Cytoplasm
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B) Nucleus
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C) Chromosomes
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D) Nucleolus
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Which type of bond is not responsible in maintaining the tertiary structure of proteins?

Balochistan Mock 3
Biology
Biological Molecules
Proteins
A) Ionic
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B) Hydrogen
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C) Peptide
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D) Glycosidic
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Composite of an organism’s observable characters or traits is called?

Balochistan Mock 3
Biology
Variation and Genetics
A) Genotype
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B) Phenotype
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C) Recombinant
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D) Replication
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Which of the following organs serve no apparent purpose?

Balochistan Mock 3
Biology
Evolution
A) Non vestigial organs
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B) Homologous organs
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C) Analogous organs
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D) Vestigial organs
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The Light reaction takes place in?

Balochistan Mock 3
Biology
Bioenergetics
Light Dependent Mechanism of Photosynthesis
A) Chloroplast
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B) Grana
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C) Thylakoid
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D) Stroma
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Human embryo remains enclosed in:

Balochistan Mock 3
Biology
Growth and Development
Embryonic Development
A) Amniotic sac
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B) Placenta
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C) Chorion
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D) Allantois
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In some cases, the blastomere can produce complete embryo so, the cleavage will be:

Balochistan Mock 3
Biology
Growth and Development
Embryonic Development
A) Spiral and determinate
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B) Spiral and indeterminate
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C) Radial and determinate
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D) Radial and indeterminate
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If there is a frictional force between two surfaces, then which of the following will be created?

Balochistan Mock 3
Physics
Electrostatics
Electric Field Lines
A) Electric field
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B) Charge
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C) Magnetic field
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D) All of these
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If a force of 2 N is applied on charge of 3 Coulomb, the electric field becomes ____.

Balochistan Mock 3
Physics
Electrostatics
Fields of Force
A) 3/2 N/C
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B) 2/3 N/C
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C) 1/2 N/C
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D) none of these
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If a wheel of radius r turns through an angle of 30o, then the distance through which any points on its rim moves is

Balochistan Mock 3
Physics
Circular Motion & Momentum
A) π/3r
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B) π/6r
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C) π/30r
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D) π/180r
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Choose the correct statement for the energy band structure of a semiconductor:

Balochistan Mock 3
Physics
Electronics
Semiconductors
A) At absolute zero temperature, the conduction band of semiconductor is completely filled and valance band is totally empty
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B) At absolute zero temperature, the conduction band of semiconductor is totally empty and valance band is totally filled
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C) At absolute zero temperature, both conduction band and valance band of semiconductor are totally empty
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D) At absolute zero temperature, both conduction band and valance band of semiconductor are completely filled
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A wagon weighing 1000kg is moving with a velocity 50 km/h on smooth horizontal rails. A mass of 250kg is dropped into it. The velocity with which it moves in km/h now is:

Balochistan Mock 3
Physics
Forces and Motion
A) 20 km/h
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B) 60 km/h
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C) 40 km/h
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D) 25 km/h
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The extension in a string, obeying Hooke’s law, is x. The speed of sound in the stretched string is v. If the extension in the string is increased to 1.5x, the speed of sound will be:

Balochistan Mock 3
Physics
Oscillations and Simple Harmonic Motion
A) 1.22v
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B) 0.61v
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C) 1.50v
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D) 0.75v
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The potential energy at the mean position of a pendulum is:

Balochistan Mock 3
Physics
Oscillations and Simple Harmonic Motion
A) Half
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B) Maximum
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C) Minimum
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D) 75%
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A liquid has specific heat capacity c. The rate of change in temperature of liquid is R. The rate at which heat is transferred from the liquid is P. What is the mass of the liquid?

Balochistan Mock 3
Physics
Heat and Thermodynamics
Work and Heat
A) P/cR
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B) PR/c
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C) Pc/R
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D) cPR
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The most penetrating radintions out of the following ls that of

Balochistan Mock 3
Physics
Nuclear Physics
Biological Effects and Uses of Radiation
A) γ-rays
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B) α-particles
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C) β-rays
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D) X-rays
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Charge inside conductor is:

Balochistan Mock 3
Physics
Electrostatics
Gauss’s Law and its Application
A) Possible
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B) Can be greater than zero
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C) Zero
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D) Negative always
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The value of current in a short circuit is:

Balochistan Mock 3
Physics
Current Electricity
Electric Current
A) Infinite
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B) Zero
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C) Minimum
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D) Maximum
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An adiabatic change is the one in which ______.

Balochistan Mock 3
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) No heat is added or taken out of the system
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B) No change of temperature takes place
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C) Boyle’s law is applicable
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D) Pressure and volume remains constant
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Which of the following forces are only attractive?

Balochistan Mock 3
Physics
Electrostatics
A) Electrostatic forces
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B) Gravitational forces
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C) Magnetic forces
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D) Forces between same poles of magnet
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Calculate the frequency of photon associated with 500 nm wavelength.

Balochistan Mock 3
Physics
Atomic Spectra
Bohrs Model of the Hydrogen Atom
A) 5 x 10^(14) Hz
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B) 6 x 10^(14) Hz
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C) 7 x 10^(14) Hz
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D) 9 x 10^(14) Hz
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What is the number of spectral series in the hydrogen spectrum?

Balochistan Mock 3
Physics
Atomic Spectra
Spectrum of Hydrogen Atom
A) Four
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B) Three
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C) Five
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D) One
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A 1kW motor pumps out water from a well 10 meter deep. What is the quantity of water pumped out per second?

Balochistan Mock 3
Physics
Work, Power & Energy
A) 9.2 kg
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B) 9.5 kg
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C) 10.2 kg
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D) 10.8 kg
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An example of a non-ohmic resistor is:

Balochistan Mock 3
Physics
Current Electricity
Ohms Law
A) Diode
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B) Tungsten wire
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C) Carbon resistor
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D) Copper wire
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The hot resistance of the bulb’s filament is higher than its cold resistance because the temperature coefficient of the filament is ____.

Balochistan Mock 3
Physics
Current Electricity
Resistivity and its Dependence upon Temperature
A) Zero
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B) Negative
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C) Positive
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D) About 2 ohms per degree
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Infrasonic waves have a frequency of:

Balochistan Mock 3
Physics
Wave Motion and Sound
A) Greater than 20000 Hz
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B) Less than 20 Hz
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C) 20 Hz
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D) Greater than 20 Hz
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The strength of the magnetic field at a point r near a long straight current carrying wire is B. The field at a distance r/2 will be:

Balochistan Mock 3
Physics
Magnetism and Electromagnetic Induction
Force on a Current Carrying Conductor in a Uniform Magnetic Field
A) B/2
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B) B/4
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C) 2B
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D) 4B
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A constant force of 10 N is applied on a body which causes displacement of 12 cm, what will be the work done?

Balochistan Mock 3
Physics
Work, Power & Energy
A) 120 J
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B) 12 J
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C) 1.2 J
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D) 18 J
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A body performing circular motion with a constant speed has a constant:

Balochistan Mock 3
Physics
Circular Motion & Momentum
A) momentum
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B) angular velocity
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C) acceleration
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D) radius vector
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If a particle launched with 5m/s at angle of 45 degree, then time of flight is:

Balochistan Mock 3
Physics
Forces and Motion
Motion in Two Dimensions
A) 1.44 s
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B) 0.72 s
Show Explanation
C) 0.6 s
Show Explanation
D) 0.5 s
Show Explanation

If f1 and f2 are frequencies of two tuning forks, such that f1 < f2, then number of beats produced in one second are: Balochistan Mock 3 Physics Wave Motion and Sound A) f2 - f1 Show Explanation B) f2 x f1 Show Explanation C) f1 - f2 Show Explanation D) f2 + f1 Show Explanation

If an AC voltage of rms value of 10 volts is applied as input of a half-wave rectifier, then the voltage value of the DC output will be:

Balochistan Mock 3
Physics
Alternating Current
R-C, R-L and R-L-C Series AC Circuits
A) 10 V
Show Explanation
B) 10.3 V
Show Explanation
C) 10.7 V
Show Explanation
D) 9.3 V
Show Explanation

An object is moving at constant speed, which of the following is always true?

Balochistan Mock 3
Physics
Forces and Motion
A) Distance is greater than displacement
Show Explanation
B) Distance is lesser than displacement
Show Explanation
C) Distance is equal to displacement
Show Explanation
D) We cannot answer
Show Explanation

Iodine-131 is used to trace which cancer

Balochistan Mock 3
Physics
Nuclear Physics
Biological Effects and Uses of Radiation
A) lungs
Show Explanation
B) thyroid gland
Show Explanation
C) breast
Show Explanation
D) liver
Show Explanation

If a bird catches its prey from a height which was initially at rest then momentum will be conserved for:

Balochistan Mock 3
Physics
Forces and Motion
A) Bird
Show Explanation
B) Prey
Show Explanation
C) Either bird and prey
Show Explanation
D) Both bird and prey
Show Explanation

The Garrison and Garmer experiment indicate?

Balochistan Mock 3
Physics
Dawn of Modern Physics
Wave Nature of Particles
A) Interference
Show Explanation
B) ELectron diffraction
Show Explanation
C) Polarization
Show Explanation
D) Refraction
Show Explanation

The electric field ‘E’ and magnetic field ‘B’ in electromagnetic waves are?

Balochistan Mock 3
Physics
Electromagnetic Waves
A) Parallel to each other
Show Explanation
B) Inclined at an angle of 45o
Show Explanation
C) Perpendicular to each other
Show Explanation
D) Opposite to each other
Show Explanation

Numbers of electrons emitted in photoelectric effect depends upon ____.

Balochistan Mock 3
Physics
Dawn of Modern Physics
Photoelectric Effect
A) Wavelength of incident light
Show Explanation
B) Frequency of incident light
Show Explanation
C) Energy of incident light
Show Explanation
D) Intensity of incident light
Show Explanation

Current that fluctuates periodically with time is ——

Balochistan Mock 3
Physics
Alternating Current
Alternating Voltage and Current
A) DC current
Show Explanation
B) BC current
Show Explanation
C) ACcurrent
Show Explanation
D) Magnetic current
Show Explanation

Work done is said to be negative if force and displacement are ___.

Balochistan Mock 3
Physics
Work, Power & Energy
A) Parallel
Show Explanation
B) Perpendicular
Show Explanation
C) Anti parallel
Show Explanation
D) None of these
Show Explanation

In which situation is distance three times its displacement?

Balochistan Mock 3
Physics
Forces and Motion
A) Object moves and come back to its initial position
Show Explanation
B) Object moves 20 m towards east and 10 m towards west
Show Explanation
C) Object moves 20 m towards east and 10 m towards south
Show Explanation
D) Object moves 20 m towards north and 10 m towards west
Show Explanation

In Davisson-Germer experiment, the diffracted electron beam from crystal shows

Balochistan Mock 3
Physics
Dawn of Modern Physics
Wave Nature of Particles
A) Particle property
Show Explanation
B) Light property
Show Explanation
C) Wave property
Show Explanation
D) Quantum property
Show Explanation

The stator and the rotor of an A.C. motor are connected by a

Balochistan Mock 3
Physics
Magnetism and Electromagnetic Induction
A.C. and D.C. Generator
A) Copper wire
Show Explanation
B) Silver wire
Show Explanation
C) Aluminum wire
Show Explanation
D) No physical connection between them
Show Explanation

Due to high elasticity, the speed of sound is maximum in:

Balochistan Mock 3
Physics
Wave Motion and Sound
A) Solids
Show Explanation
B) Liquids
Show Explanation
C) Gases
Show Explanation
D) Plazma
Show Explanation

The region that lies between IR and UV regions is called:

Balochistan Mock 3
Physics
Electromagnetic Waves
A) Radio waves
Show Explanation
B) None of these
Show Explanation
C) X ray region
Show Explanation
D) Visible light
Show Explanation

An electromagnetic wave is propagating along Y-axis.
Then:

Balochistan Mock 3
Physics
Electromagnetic Waves
A) Oscillating electric field is along X-axis and oscillating magnetic field is along Y-axis.
Show Explanation
B) Oscillating electric field is along Z-axis and oscillating magnetic field is along X-axis.
Show Explanation
C) Both oscillating electric and magnetic fields are along Y-axis, but phase difference between them is 90°.
Show Explanation
D) Both oscillating electric and magnetic fields are mutually perpendicular in arbitrary directions.
Show Explanation

A projectile is launched with vertical kinetic energy, K at an angle of 8˚. Its variation with kinetic energy KO is?

Balochistan Mock 3
Physics
Forces and Motion
Motion in Two Dimensions
A) Parabolic
Show Explanation
B) Periodic
Show Explanation
C) Hyperbolic trajectory
Show Explanation
D) Linear
Show Explanation

What is the magnetic force on a stationary charged particle in a uniform magnetic field?

Balochistan Mock 3
Physics
Magnetism and Electromagnetic Induction
Force on a Moving Charge in a Magnetic Field
A) Zero
Show Explanation
B) F-q
Show Explanation
C) F=qvB
Show Explanation
D) F=ILBsin0
Show Explanation

Stationary waves are produced by:

Balochistan Mock 3
Physics
Wave Motion and Sound
A) Reflection
Show Explanation
B) Interference
Show Explanation
C) Diffraction
Show Explanation
D) Rarefaction
Show Explanation

The expression for centripetal force is given by:

Balochistan Mock 3
Physics
Circular Motion & Momentum
A) mrω2
Show Explanation
B) m2v2/r2
Show Explanation
C) m2v2/r
Show Explanation
D) mv2/r2
Show Explanation

Speed of sound does not depend on:

Balochistan Mock 3
Physics
Wave Motion and Sound
A) Pressure
Show Explanation
B) Density
Show Explanation
C) Adiabatic Index
Show Explanation
D) Amplitude
Show Explanation

In simple harmonic motion, which two quantities are always in opposite direction?

Balochistan Mock 3
Physics
Oscillations and Simple Harmonic Motion
A) Kinetic energy and potential energy
Show Explanation
B) Kinetic energy and velocity
Show Explanation
C) Velocity and acceleration
Show Explanation
D) Acceleration and displacement
Show Explanation

Which of the following quantities has no effect on simple projectile motion?

Balochistan Mock 3
Physics
Forces and Motion
Motion in Two Dimensions
A) Velocity
Show Explanation
B) Force
Show Explanation
C) Mass
Show Explanation
D) Acceleration
Show Explanation

A set of Atoms in an excited state decays:

Balochistan Mock 3
Physics
Atomic Spectra
Bohrs Model of the Hydrogen Atom
A) In any general state with lower energy
Show Explanation
B) In any state when excited by electric field
Show Explanation
C) In any state when excited by magnetic field
Show Explanation
D) None of these options are correct
Show Explanation

When a body moves in a circle, the angle between its velocity v and angular velocity ω is always

Balochistan Mock 3
Physics
Circular Motion & Momentum
A) 0o
Show Explanation
B) 180o
Show Explanation
C) 360o
Show Explanation
D) 90o
Show Explanation

A bus and a car, moving at the same speed, are brought to rest by applying the same retarding force then:

Balochistan Mock 3
Physics
Forces and Motion
A) bus will come to rest in a shorter distance
Show Explanation
B) car will come to rest in a shorter distance
Show Explanation
C) both will come to rest in the same distance
Show Explanation
D) none of the above
Show Explanation

The earth rotates 360o about its axis in about 24 hours. By how many degrees will it rotate In 2 hours?

Balochistan Mock 3
Physics
Circular Motion & Momentum
A) 90
Show Explanation
B) 60
Show Explanation
C) 30
Show Explanation
D) 15
Show Explanation

The unit of capacitance is:

Balochistan Mock 3
Physics
Electrostatics
Capacitor
A) Farad
Show Explanation
B) Volt
Show Explanation
C) Seconds
Show Explanation
D) Ampere
Show Explanation

The number of diodes in bridge rectifier is

Balochistan Mock 3
Physics
Electronics
Rectification
A) 4
Show Explanation
B) 3
Show Explanation
C) 2
Show Explanation
D) 5
Show Explanation

By burning 1 g of coal, the energy produced is 2 kcal. Then for 1 kWh, the quantity of coal required will be nearly:

Balochistan Mock 3
Physics
Work, Power & Energy
A) 9 kg
Show Explanation
B) 4/5 kg
Show Explanation
C) 3/7 kg
Show Explanation
D) 3/14 kg
Show Explanation

A book cannot exist without?

Balochistan Mock 3
Logical Reasoning
Logical Deduction
A) Education
Show Explanation
B) Pictures
Show Explanation
C) Pages
Show Explanation
D) Qualification
Show Explanation

A competition always has:

Balochistan Mock 3
Logical Reasoning
Critical Thinking
A) Reward
Show Explanation
B) Rivals
Show Explanation
C) Spectators
Show Explanation
D) Referee
Show Explanation

STATEMENTS:

I. The dialogue between Jinnah and Gandhi failed.

Il. Indian National Congress and Muslim League tried to join hands, so they will be united.

Balochistan Mock 3
Logical Reasoning
Cause and Effect
A) Statement I is the cause and statement II is its effect.
Show Explanation
B) Statement II is the cause and statement I is its effect.
Show Explanation
C) Both statements I and II are independent causes
Show Explanation
D) Both statements I and II are the effects of independent cause.
Show Explanation

How many such pairs of letters are there in the word ‘HISTORICAL’ which have as many letters between them in the word as they have between them in the English alphabet?

Balochistan Mock 3
Logical Reasoning
Logical Deduction
A) Six
Show Explanation
B) Three
Show Explanation
C) Five
Show Explanation
D) Eight
Show Explanation

Which word does NOT belong with the others?

Balochistan Mock 3
Logical Reasoning
Logical Deduction
A) Index
Show Explanation
B) Glossary
Show Explanation
C) Chapter
Show Explanation
D) Book
Show Explanation

I. Ms. Kulsoom labelled Mr. Waleed a deserter.
II. Ms. Kulsoom offered an apology.

Balochistan Mock 3
Logical Reasoning
Cause and Effect
A) Statement I is the cause and statement II is its effect.
Show Explanation
B) Statement II is the cause and statement I is its effect
Show Explanation
C) Both statements I and II are independent causes
Show Explanation
D) Both statements I and II are the effects of independent cause.
Show Explanation

Choose the correct sentence from the following options:

Balochistan Mock 3
English
Tenses and Sentence Structure
A) Did you know that they’re leaving the city for good.
Show Explanation
B) Did you know that they’re leaving the city for good?
Show Explanation
C) Did you know that the’yre leaving the city for good?
Show Explanation
D) Did you know that theyre leaving the city for good.
Show Explanation

They will bake the pies. Which tense is used here?

Balochistan Mock 3
English
Tenses and Sentence Structure
A) Present
Show Explanation
B) Past
Show Explanation
C) Future
Show Explanation
D) Universal
Show Explanation

Find errors in the following sentence:

Balochistan Mock 3
English
Identify errors in sentence
A) We have
Show Explanation
B) Been knowing
Show Explanation
C) Each other
Show Explanation
D) Since we were children.
Show Explanation

Choose the correct sentence:

Balochistan Mock 3
English
Tenses and Sentence Structure
A) “Trust me, I know what I’m doing,” Bilal said. “Your car is not hard to fix.”
Show Explanation
B) “Trust me, I know what I’m doing,” Bilal said. “your car are not hard to fix.”
Show Explanation
C) “Trust me I know what Im doing,” Bilal said. “Your car is not hard to fix.”
Show Explanation
D) “Trust me, I know what I’m doing,” Bilal said. Your car is not hard to fix.
Show Explanation

Select the option which fits appropriately in the blank:

I am in London this Summer, I ___________ English.

Balochistan Mock 3
English
Fill in the blank
A) Learn
Show Explanation
B) Learns
Show Explanation
C) Am learning
Show Explanation
D) Learning
Show Explanation

We have ________ small house in _________ village in _________ Netherlands.

Balochistan Mock 3
English
Grammar and Punctuation
A) The…an…a
Show Explanation
B) An…a…the
Show Explanation
C) A…a….the
Show Explanation
D) A…an…the
Show Explanation

I think ________ man over there is very ill. He can’t stand on his feet.

Balochistan Mock 3
English
Fill in the blank
A) A
Show Explanation
B) An
Show Explanation
C) The
Show Explanation
D) No article is required
Show Explanation

Select the option which correctly represents the following word:

Who is

Balochistan Mock 3
English
Key Vocabulary
A) Whos
Show Explanation
B) Whose
Show Explanation
C) Who’s
Show Explanation
D) Whos’
Show Explanation

What type of sentence is this?

Our car broke down, so we came last.

Balochistan Mock 3
English
Tenses and Sentence Structure
A) Complex
Show Explanation
B) Simple
Show Explanation
C) Compound
Show Explanation
D) Compound-complex
Show Explanation

What is the short form of:

We are

Balochistan Mock 3
English
Identify errors in sentence
A) We’re
Show Explanation
B) Were
Show Explanation
C) Wer’e
Show Explanation
D) Were’
Show Explanation

Select the option which fits appropriately in the blank:

Although he studied hard, he couldn’t succeed __________ getting a high score in his test.

Balochistan Mock 3
English
Fill in the blank
A) In
Show Explanation
B) On
Show Explanation
C) At
Show Explanation
D) To
Show Explanation

Find errors in the following sentence:

Balochistan Mock 3
English
Identify errors in sentence
A) The captain, along with his team
Show Explanation
B) Are practising very hard
Show Explanation
C) For the
Show Explanation
D) Forthcoming matches.
Show Explanation

None of them _______ able to solve this question.

Balochistan Mock 3
English
Fill in the blank
A) Is
Show Explanation
B) Were
Show Explanation
C) Will
Show Explanation
D) Would
Show Explanation

My friend ____________ (suffer) from cholera since August.

Balochistan Mock 3
English
Tenses and Sentence Structure
A) Suffer
Show Explanation
B) Suffered
Show Explanation
C) Suffering
Show Explanation
D) Is suffering
Show Explanation

Some of the people waiting in line _________ getting impatient.

Balochistan Mock 3
English
Fill in the blank
A) Is
Show Explanation
B) Was
Show Explanation
C) Are
Show Explanation
D) Be
Show Explanation

I’m now going to give you 10 _______ tips for running a really successful website.

Balochistan Mock 3
English
Grammar and Punctuation
A) Invaluable
Show Explanation
B) Valueless
Show Explanation
C) Unworthy
Show Explanation
D) Unprofitable
Show Explanation

Select the option which fits appropriately in the blank:

A really sophisticated person would never be _______ enough, to think that he is always right.

Balochistan Mock 3
English
Fill in the blank
A) Reverent
Show Explanation
B) Naive
Show Explanation
C) Articulate
Show Explanation
D) Humble
Show Explanation

Choose the correct sentence:

Balochistan Mock 3
English
Tenses and Sentence Structure
A) However, it didn’t take long for others to jump on board.
Show Explanation
B) However it didn’t take long for others to jump on board.
Show Explanation
C) However, it didn’t take long for others to jump on board?
Show Explanation
D) However. It didn’t take long for others to jump on board.
Show Explanation

The mass number of an atom is:

Balochistan Mock 3
Chemistry
Introduction to Fundamental Concepts of Chemistry
Introduction to the Atom
A) The number of electrons
Show Explanation
B) The number of neutrons
Show Explanation
C) The number of protons
Show Explanation
D) The number of neutrons and protons
Show Explanation

Acetic anhydride is a product of acetic acid, as a result of the following reaction:

Balochistan Mock 3
Chemistry
Carboxylic Acids and its Derivatives
A) Dehydration
Show Explanation
B) Reduction
Show Explanation
C) Oxidation
Show Explanation
D) Esterification
Show Explanation

The common name of the following aldehyde is:

Balochistan Mock 3
Chemistry
Aldehydes and Ketones
Nomenclature of Adehydes and Ketones
A) α – Methyl – Ɣ – Chloro Propionaldehyde
Show Explanation
B) β – Chloro – Ɣ – Methyl – Propionaldehyde
Show Explanation
C) β – Chloro – α – Methyl Propionaldehyde
Show Explanation
D) β – Methyl – α – Chloro Propionaldehyde
Show Explanation

H2S is an example of ______ hydride.

Balochistan Mock 3
Chemistry
Chemical Bonding
Hydrogen Bonding
A) Ionic
Show Explanation
B) Covalent
Show Explanation
C) Complex
Show Explanation
D) Metallic
Show Explanation
E) Border – line hydride
Show Explanation

In the gaseous state, the distance between the molecules is ___ times _____ than their diameters.

Balochistan Mock 3
Chemistry
States of Matter – Gases, Liquids and Solids
Kinetic Molecular Theory Of Gases
A) 200, lesser
Show Explanation
B) 300, lesser
Show Explanation
C) 300, greater
Show Explanation
D) 200, greater
Show Explanation

An ester is prepared by:

Balochistan Mock 3
Chemistry
Carboxylic Acids and its Derivatives
A) Two alcohols
Show Explanation
B) Carboxylic acid and alcohol
Show Explanation
C) Ketone and alcoho
Show Explanation
D) Aldehyde and alcohol
Show Explanation

By fermentation process of starch and by the catalytic enzyme, ______ is produced.

Balochistan Mock 3
Chemistry
Alcohol, Phenols, and Ethers
A) Methyl alcohol
Show Explanation
B) Ethyl alcohol
Show Explanation
C) Acetyl alcohol
Show Explanation
D) Methanal
Show Explanation

The nature of Binding Force in Ionic Crystals is

Balochistan Mock 3
Chemistry
States of Matter – Gases, Liquids and Solids
Types of Solids
A) Magnetic
Show Explanation
B) Repulsive
Show Explanation
C) Electrostatic
Show Explanation
D) Weak
Show Explanation

Which enthalpy change is relevant in the following process

Na(s) -> Na (g) ΔH = +107

Balochistan Mock 3
Chemistry
Thermochemistry
Standard States and Enthalpy Changes
A) Enthalpy of atomization
Show Explanation
B) Enthalpy of fusion
Show Explanation
C) Enthalpy of vaporization
Show Explanation
D) Enthalpy of formation
Show Explanation

Which of the following reagent is used to separate and purify carbonyl and non carbonyl compounds?

Balochistan Mock 3
Chemistry
Aldehydes and Ketones
Reactivity and Reactions of Carbonyl Group
A) HCN
Show Explanation
B) BrMgCH3
Show Explanation
C) NaHSO3
Show Explanation
D) H2O
Show Explanation

Type of reactants or product decides the nature of method adapted for finding

Balochistan Mock 3
Chemistry
Reaction Kinetics
Rate and velocity of chemical reaction
A) Rate constant
Show Explanation
B) Enthalpy
Show Explanation
C) Temperature
Show Explanation
D) Rate of a Reaction
Show Explanation

Find the mass in grams of 1.69 mol of phosphoric acid.

Balochistan Mock 3
Chemistry
Stoichiometry
Mole
A) 165.6 g
Show Explanation
B) 157 g
Show Explanation
C) 148 g
Show Explanation
D) 138 g
Show Explanation

Which of the following values of heat of formation indicates that the product is least stable?

Balochistan Mock 3
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) -393.5 KJ
Show Explanation
B) -972.7 KJ
Show Explanation
C) +89.9 KJ
Show Explanation
D) +272.2 KJ
Show Explanation

A species which is formed by the acceptance of proton by a base is called _______.

Balochistan Mock 3
Chemistry
Chemical Equilibrium
State of Chemical Equilibrium
A) Acid
Show Explanation
B) Conjugate acid
Show Explanation
C) Conjugate base
Show Explanation
D) Salt
Show Explanation

The alloy Duralumin is composed of ______ of Al.

Balochistan Mock 3
Chemistry
d and f Block Elements
A) 95%
Show Explanation
B) 90%
Show Explanation
C) 85%
Show Explanation
D) 80%
Show Explanation

sp3 hybridization in CH4 gives it ______ geometry.

Balochistan Mock 3
Chemistry
Chemical Bonding
VSEPR Theory
A) linear
Show Explanation
B) coplanar
Show Explanation
C) tetrahedral
Show Explanation
D) octahedral
Show Explanation

Which of the following will react with water?

Balochistan Mock 3
Chemistry
Chemical Bonding
Hydrogen Bonding
A) CHCl3
Show Explanation
B) Cl3CCHO
Show Explanation
C) CHI4
Show Explanation
D) ClCH2CH2Cl
Show Explanation

H2S is an example of ______ hydride.

Balochistan Mock 3
Chemistry
Chemical Bonding
Hydrogen Bonding
A) Ionic
Show Explanation
B) Covalent
Show Explanation
C) Complex
Show Explanation
D) Metallic
Show Explanation

sp3 hybridization in CH4 gives it ______ geometry.

Balochistan Mock 3
Chemistry
Chemical Bonding
VSEPR Theory
A) linear
Show Explanation
B) coplanar
Show Explanation
C) tetrahedral
Show Explanation
D) octahedral
Show Explanation

Modern periodic table is arranged in ascending order of?

Balochistan Mock 3
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) Nucleon number
Show Explanation
B) Atomic mass
Show Explanation
C) Proton number
Show Explanation
D) Mass number
Show Explanation

One of the reactants consumed earlier than others in a chemical reaction is called:

Balochistan Mock 3
Chemistry
Stoichiometry
Limiting and Non Limiting Reagents
A) Active reactant
Show Explanation
B) Excess reactant
Show Explanation
C) Limiting reactant
Show Explanation
D) More active reactant
Show Explanation

Which one of the following has largest ionic radius?

Balochistan Mock 3
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) Li+
Show Explanation
B) O22-
Show Explanation
C) B3+
Show Explanation
D) F-
Show Explanation

Which of the following reactions is NOT shown by ketones?

Balochistan Mock 3
Chemistry
Aldehydes and Ketones
Reactivity and Reactions of Carbonyl Group
A) Reaction with HCN
Show Explanation
B) Reaction with Fehling solution
Show Explanation
C) Reaction with NaHSO3
Show Explanation
D) Reaction with 2,4-dinitrophenyl-hydrazine
Show Explanation

The atomic number is usually equals to ___

Balochistan Mock 3
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) electrons
Show Explanation
B) protons
Show Explanation
C) neutrons
Show Explanation
D) positrons
Show Explanation

An SN2 reaction at an asymmetric carbon of a compound always gives:

Balochistan Mock 3
Chemistry
Alkyl Halides and Amines
A) An metamerism of the substrate
Show Explanation
B) A product with opposite optical rotation
Show Explanation
C) A mixture of diastereomers
Show Explanation
D) A single stereoisomer
Show Explanation

The color of Mg metal flame is?

Balochistan Mock 3
Chemistry
d and f Block Elements
A) Blue
Show Explanation
B) Violet
Show Explanation
C) Yellow
Show Explanation
D) White
Show Explanation

Which one of the following ions exhibits d-d transition and paramagnetism as well?

Balochistan Mock 3
Chemistry
d and f Block Elements
A) MnO4-
Show Explanation
B) CrO42-
Show Explanation
C) MnO42-
Show Explanation
D) Cr2O72-
Show Explanation

Select the organic compound which belongs to Arene family:

Balochistan Mock 3
Chemistry
Fundamental Principles of Organic Chemistry
Classifications of Organic Compounds
A) CH2 = CH2
Show Explanation
B) CH3 – O – CH3
Show Explanation
C) CH3 – NH2
Show Explanation
D) C6H6
Show Explanation

All the collisions between the particles of gases are elastic in nature. What is meant by “Elastic Collisions”?

Balochistan Mock 3
Chemistry
States of Matter – Gases, Liquids and Solids
Kinetic Molecular Theory Of Gases
A) No change in the total kinetic energy
Show Explanation
B) The velocity of the molecules changes
Show Explanation
C) No change in potential energy during the collisions
Show Explanation
D) No change in mass during the collisions
Show Explanation

Boyle’s law is stated as:”The product of pressure and volume of a fixed amount of gas at constant temperature is a _____ quantity

Balochistan Mock 3
Chemistry
States of Matter – Gases, Liquids and Solids
Gas Laws and General Gas Equation
A) variable
Show Explanation
B) constant
Show Explanation
C) discreet
Show Explanation
D) decreasing
Show Explanation