The diagram shows the four types of human tooth.

Which teeth are used for cutting rather than grinding food?

Balochistan Mock 5
Biology
Nutrition
Digestion and Absorption
A) 1 and 2
Show Explanation
B) 2 and 3
Show Explanation
C) 3 and 4
Show Explanation
D) 4 and 1
Show Explanation

Which one of the following is not an insect?

Balochistan Mock 5
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Ticks
Show Explanation
B) Honey bee
Show Explanation
C) Beetle
Show Explanation
D) Wasp
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What are the functions of the inter, motor and sensory neurons in a reflex response?

Balochistan Mock 5
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) Option A
Show Explanation
B) Option B
Show Explanation
C) Option C
Show Explanation
D) Option D
Show Explanation

A pollen tube serves to:

Balochistan Mock 5
Biology
Reproduction
Reproduction in Plants
A) Produce sperms
Show Explanation
B) Store food for the developing embryo
Show Explanation
C) Transfer sperms from the stigma to the ovary
Show Explanation
D) Produce female gametophytes
Show Explanation

Male and female sea urchins release their sperm and eggs Into the water where fertilization takes place. How can their reproduction be described?

Balochistan Mock 5
Biology
Reproduction
Reproduction in Animals
A) asexual reproduction which results in genetically dissimilar offspring
Show Explanation
B) asexual reproductlon whlch results In genetically identical offspring
Show Explanation
C) Sexual reproduction which results in genetically dissimilar offspring
Show Explanation
D) Sexual reproduction which results in genetically identical offspring
Show Explanation

Goblets cells are:

Balochistan Mock 5
Biology
Gaseous Exchange
Respiratory System of Man
A) Unicellular exocrine gland
Show Explanation
B) Unicellular endocrine glands
Show Explanation
C) Multicellular exocrine gland
Show Explanation
D) Multicellular endocrine glands
Show Explanation

How many sperms are produced from fifty secondary spermatocyte?

Balochistan Mock 5
Biology
Reproduction
Reproduction in Females
A) 200
Show Explanation
B) 100
Show Explanation
C) 50
Show Explanation
D) 150
Show Explanation

Backbone of amino acids comprises of

Balochistan Mock 5
Biology
Biological Molecules
Proteins
A) R group
Show Explanation
B) Amino group
Show Explanation
C) Peptide bond
Show Explanation
D) Carboxylic group
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Baroceptors are the sensors in body responsible for determination of:

Balochistan Mock 5
Biology
Coordination and Control
Peripheral Nervous System
A) Blood Glucose
Show Explanation
B) Blood Ammonia
Show Explanation
C) Blood ?H
Show Explanation
D) Blood flow
Show Explanation

Give the general formula of monosaccharides and polysaccharides.

Balochistan Mock 5
Biology
Biological Molecules
Carbohydrates
A) (CH2O)n and Cn(H2O)2n
Show Explanation
B) (CH2O)2n and Cn(H2O)n

Show Explanation
C) (CH2O)n and Cn(H2O)n-1

Show Explanation
D) (CH2O)n-1 and Cn(H2O)n+1
Show Explanation

Which of the following conditions is due to a nutritional deficiency?

Balochistan Mock 5
Biology
Nutrition
Some Common Diseases Related to Nutrition
A) Hepatitis
Show Explanation
B) Cholera
Show Explanation
C) Malaria
Show Explanation
D) Beriberi
Show Explanation

Four events in the transmission of nerve impulses across synapses are:

I. depolarisation of the presynaptic membrane

II. propagation of postsynaptic action potential

III. reabsorption of the transmitter substance

IV. release of transmitter substance into the synaptic cleft

In which sequence do these events occur?

FIRST -> LAST

Balochistan Mock 5
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) I, III, II, and IV
Show Explanation
B) I, IV, II and III
Show Explanation
C) IV, I, III and II
Show Explanation
D) IV, III, I and II
Show Explanation

The main difference between catalysts and enzymes is:

Balochistan Mock 5
Biology
A) Enzymes are sharp in action than catalyst
Show Explanation
B) Catalysts used in large amount than enzymes
Show Explanation
C) Catalysts are inorganic while enzymes are organic in nature
Show Explanation
D) Enzymes need pH while catalysts do not
Show Explanation

The first successful surgery of heart was performed by Dr. Ludwig by repairing a wound on which part:

Balochistan Mock 5
Biology
Transport
A) Right auricle
Show Explanation
B) Right ventricle
Show Explanation
C) Left auricle
Show Explanation
D) Left ventricle
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Match the hormones listed under column I with their functions listed under the column. Choose the answer which gives the correct combination of the alphabets of the II columns.

Balochistan Mock 5
Biology
Reproduction
Reproduction in Females
A) A = s, B = r, C = p, D = q
Show Explanation
B) A = t, B = p, C = s, D = r
Show Explanation
C) A = s, B = q, C = r, D = t
Show Explanation
D) A = t, B = r, C = p, D = s
Show Explanation

Referring to sexual reproduction, humans are:

Balochistan Mock 5
Biology
Reproduction
Reproduction in Animals
A) Hermaphrodites
Show Explanation
B) Vivaparous
Show Explanation
C) Oviparous
Show Explanation
D) Self-fertilized
Show Explanation

The region where the impulse moves from one neuron to another is called ______.

Balochistan Mock 5
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) Axon
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B) Dendrites
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C) Synapse
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D) Thalamus
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An embryo of a turtle, mouse, and human show?

Balochistan Mock 5
Biology
Evolution
A) Comparative embroyology
Show Explanation
B) Distinct differences
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C) Vestigial organs
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D) Analogous structures
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Neo-Darwinism was developed in?

Balochistan Mock 5
Biology
Evolution
A) Early 1940s
Show Explanation
B) Early 1950s
Show Explanation
C) Early 1930s
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D) Early 1960s
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The stage of plasmodium life cycle not related to human body is:

Balochistan Mock 5
Biology
Transport
A) Merozoite
Show Explanation
B) Ookinetes
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C) Trophozoites
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D) Gametozoites
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The type of bonding in ?-Helix;

Balochistan Mock 5
Biology
Biological Molecules
Proteins
A) 1,2 Glycosidic Linkage
Show Explanation
B) Ionic Bond
Show Explanation
C) Disulfide Bond
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D) Hydrogen Bond
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Over eating psychological disorder is called:

Balochistan Mock 5
Biology
Coordination and Control
Disorders of the Nervous System
A) Dyspepsia
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B) Septecemia
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C) Anorexia
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D) Bulimia
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In the pancreas, lipase production is regulated by:

Balochistan Mock 5
Biology
Nutrition
Digestion and Absorption
A) Gastrin
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B) Secretin
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C) Insulin
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D) Lipids
Show Explanation

Chlorosis refers to the lack of:

Balochistan Mock 5
Biology
Nutrition
A) Growth
Show Explanation
B) Chlorophyll
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C) Yellowing of leaf margin
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D) Width of leaf
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Three words are shown below:

Isomorphic sporophyte gametophyte

These words can be used in the spaces P, Q, and R to complete the sentence below.

Thallus in Ulva is of two types. The one with 26 chromosomes is called ..P… and the other with 13 chromosomes is called ..Q..Morphologically both gametophyte and sporophyte are exactly alike hence called ..R..

Balochistan Mock 5
Biology
Reproduction
Reproduction in Plants
A) Option A
Show Explanation
B) Option B
Show Explanation
C) Option C
Show Explanation
D) Option D
Show Explanation

Which of the following hormones of the pituitary gland regulates the menstrual cycle?

Balochistan Mock 5
Biology
Reproduction
Reproduction in Females
A) Follicle Stimulating hormone and Estrogen
Show Explanation
B) Luteinizing hormone and Estrogen
Show Explanation
C) Follicle Stimulating hormone and Luteinizing hormone
Show Explanation
D) Estrogen and Progesterone
Show Explanation

The following statement is true for the absorption spectra of photosynthesis:

Balochistan Mock 5
Biology
Bioenergetics
Photosynthetic pigments
A) Chlorophyll a and b have same absorption spectra
Show Explanation
B) Chlorophyll a and b have different absorption spectra
Show Explanation
C) Chlorophyll a and carotenoids have same absorption spectra
Show Explanation
D) Carotenoids and chlorophyll b have same absorption spectra
Show Explanation

Blood group A negative can be donated to:

Balochistan Mock 5
Biology
Variation and Genetics
Blood Group System
A) O negative
Show Explanation
B) O positive
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C) A positive
Show Explanation
D) B positive
Show Explanation

In peas, the gene for yellow color (C) is dominant over the gene for green color (c). To determine the genotype of an unknown yellow pea, what kind of pea should you cross with it?

Balochistan Mock 5
Biology
Variation and Genetics
Mendelian Inheritance
A) Another unknown green pea
Show Explanation
B) Any genotype
Show Explanation
C) Homozygous dominant
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D) Homozygous recessive (cc) or known heterozygous (Cc)
Show Explanation

A woman with normal colour vision, whose father was red green colour blind, married a red green colour blind man. What is the probability of her born child being red green colour blind?

Balochistan Mock 5
Biology
Variation and Genetics
Inherited Diseases
A) 1.0
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B) 0.75
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C) 0.50
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D) 0.25
Show Explanation

For defense against virus attack, body produces:

Balochistan Mock 5
Biology
Transport
Immunity and its types
A) Antibodies
Show Explanation
B) Histamines
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C) Antigens
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D) Interferons
Show Explanation

Which one of the following is a shrub?

Balochistan Mock 5
Biology
Man and His Enviornment
A) Parmelia
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B) Aster
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C) Rhus
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D) Banana
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The hormone labelled X in the diagram is often used in over-the-counter diagnostic tests to determine when ovulation has occurred. This hormone is:

Balochistan Mock 5
Biology
Reproduction
Reproduction in Females
A) estrogen
Show Explanation
B) progesterone
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C) FSH
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D) LH
Show Explanation

Which of the following is not the part of first line of defense?

Balochistan Mock 5
Biology
Transport
A) Sebum
Show Explanation
B) Perspiration
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C) Interferon
Show Explanation
D) Epidermis
Show Explanation

Optimum pH for action of pepsin and salivary amylase is

Balochistan Mock 5
Biology
Nutrition
Digestion and Absorption
A) 3.5 and 7.7 respectively
Show Explanation
B) 1.8 and 6.8 respectively
Show Explanation
C) 6.8 and 7.4 respectively
Show Explanation
D) 1.8 and 7.4 respectively
Show Explanation

Short life cycle is a plant adaptation to survive in:

Balochistan Mock 5
Biology
Coordination and Control
Coordination in Plants
A) High temperature
Show Explanation
B) Low temperature
Show Explanation
C) High soil ?H
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D) Low soil ?H
Show Explanation

Poliomyelitis normally affects the:

Balochistan Mock 5
Biology
Bio-diversity | Variety of Life
A) Legs
Show Explanation
B) Brain
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C) Spinal cord
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D) Both B and C
Show Explanation

Alcoholic fermentation is the sole mean of respiration in:

Balochistan Mock 5
Biology
Bioenergetics
Anaerobic Respiration
A) Saccharomyces
Show Explanation
B) Armillaria
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C) Trichonympha
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D) Balanitidium
Show Explanation

Among the following, which acid is an unsaturated acid:

Balochistan Mock 5
Biology
Biological Molecules
Lipids
A) Butyric Acid
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B) Oleic Acid
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C) Palmitic Acid
Show Explanation
D) Both Oleic Acid and Palmitic Acid
Show Explanation

The primary oocyte in mammals has which of the following structures around it:

Balochistan Mock 5
Biology
Reproduction
Reproduction in Females
A) Zona Pellucida
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B) Zona Vasculosa
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C) Zona radiata
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D) None of them
Show Explanation

Identify the bones in which the connecting joints are freely movable joints?

Balochistan Mock 5
Biology
Support and Movement
Types of Joints
A) Ankle
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B) Wrist
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C) Vertebrae
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D) Elbow
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E) All of the above
Show Explanation

Scapula is the bone of the:

Balochistan Mock 5
Biology
Support and Movement
Human Skeleton
A) Skull
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B) Pelvic girdle
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C) Pectoral girdle
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D) Vertebral column
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They are organelles of symbiotic origin:

Balochistan Mock 5
Biology
Evolution
A) Nucleolus & Mitochondria
Show Explanation
B) Golgi complex & ER
Show Explanation
C) Chloroplast & Mitochondria
Show Explanation
D) Mitochondria & ER
Show Explanation

A psychological condition usually seen in girls and young women, with loss of appetite is:

Balochistan Mock 5
Biology
Nutrition
Some Common Diseases Related to Nutrition
A) Obesity
Show Explanation
B) Malnutrition
Show Explanation
C) Anorexia Nervosa
Show Explanation
D) Dyspepsia
Show Explanation

The edible part of Morchella esculanta is:

Balochistan Mock 5
Biology
Kingdom Fungi
A) Ascocarp
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B) Basidiocarp
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C) Zygocarp
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D) Pseudocarp
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Five words are shown below:

Labium Maxillae Labrum Mandibles Antennae

These words can be used in the spaces P, Q, R, S and T to complete the sentence below.

Cockroaches are omnivorous and can eat any kind of organic matter. They search their food by their ..P.. Their digestive system is tubular, having a straight slightly coiled digestive tube opening at both the ends. Hence, the digestive system is complete. The mouth lies at the base of the pre – oral cavity which is bounded by the mouth parts, ..Q.. (upper lip), ..R.. (lower lip), mandibles and maxillae. The ..S.. pick up and bring food to the ..T.. for mastication.

Balochistan Mock 5
Biology
Nutrition
Heterotrophic Nutrition
A) Option A
Show Explanation
B) Option B
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C) Option C
Show Explanation
D) Option D
Show Explanation

In an experiment, the production of hormone secretin was blocked. As a result, levels of all of the following enzymes were affected EXCEPT:

Balochistan Mock 5
Biology
Nutrition
Digestion and Absorption
A) Trypsin
Show Explanation
B) Pepsin
Show Explanation
C) Chymotrypsin
Show Explanation
D) Amylase
Show Explanation

How many meninges cover the human brain?

Balochistan Mock 5
Biology
Coordination and Control
Central Nervous System
A) 5
Show Explanation
B) 4
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C) 3
Show Explanation
D) 2
Show Explanation

Dietary fiber passes through to several structures after leaving the stomach. In which order does the dietary fiber pass through the structures?

Balochistan Mock 5
Biology
Nutrition
Digestion and Absorption
A) Duodenum -> jejunum -> ileum -> rectum -> colon
Show Explanation
B) ileum -> duodenum -> colon -> jejunum -> rectum
Show Explanation
C) ileum -> duodenum -> jejunum -> rectum -> colon
Show Explanation
D) Colon -> duodenum -> ileum -> rectum -> jejunum
Show Explanation
E) duodenum -> jejunum -> ileum -> colon -> rectum
Show Explanation

Which of the following is not a fern?

Balochistan Mock 5
Biology
Kingdom Plantae
Pteropsida
A) Pteris
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B) Tmesipeteris
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C) Dryopteris
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D) Pteridium
Show Explanation

Closed vascular system is the characteristic of:

Balochistan Mock 5
Biology
Kingdom Plantae
Evolution of Seed Habit
A) Lycopsida
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B) Sphenopsida
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C) Dicot
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D) Monocot
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In the juxtamedullary nephron, a network of blood capillaries parallel to the loop of Henle is called:

Balochistan Mock 5
Biology
Homeostasis
Structure and Importance of the Kidney
A) Netted capillaries
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B) Afferent capillaries
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C) Peritubular capillaries
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D) Vasa recta
Show Explanation

The study of fishes is:

Balochistan Mock 5
Biology
Biology and its major fields of specialization
A) Ornithology
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B) Ichthyology
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C) Herpetology
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D) Serpetology
Show Explanation

What is the subunit of DNA

Balochistan Mock 5
Biology
Biological Molecules
Nucleic Acids
A) Phosphoric Acid
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B) Base
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C) Nucleotide
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D) Sugar
Show Explanation

Which one of the following is not a draught animal?

Balochistan Mock 5
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Buffalo
Show Explanation
B) Mule
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C) Elephant
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D) Yak
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Amniocentesis is performed between the:

Balochistan Mock 5
Biology
Reproduction
Reproduction in Females
A) 16th and 18th week of gestation
Show Explanation
B) 1st and 2nd week of gestation
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C) 30th and 32nd week of gestation
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D) 37th and 38th week of gestation
Show Explanation

Which one of the following represents the changes that occur in the ovary and the uterus approximately every 28 days involving ovulation with the breakdown and loss of the lining of the uterus?

Balochistan Mock 5
Biology
Reproduction
Reproduction in Females
A) Ovulation
Show Explanation
B) Menstrual cycle
Show Explanation
C) Uterine cycle
Show Explanation
D) Embryo formation
Show Explanation

Which of the following is absent in C4 Plants:

Balochistan Mock 5
Biology
Bioenergetics
Light Independent Mechanism of Photosynthesis
A) Calvin Cycle
Show Explanation
B) Bundle Sheath cells
Show Explanation
C) Pepco
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D) CO2 Fixation in Mesophyll
Show Explanation

The diagram shows some of the organs of the human body.

In which organs does the digestion of carbohydrates take place?

Balochistan Mock 5
Biology
Nutrition
Digestion and Absorption
A) P and Q
Show Explanation
B) P and R
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C) Q and R
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D) Q and S
Show Explanation

Which one of the following types of cell are found in secondary xylem of angiosperms?

Balochistan Mock 5
Biology
Kingdom Plantae
A) Tracheids parenchyma fibres collenchyma but no vessels
Show Explanation
B) Vessels tracheids parenchyma collenchyma but no fibres
Show Explanation
C) Vessels tracheids fibres collenchyma but no parenchyma
Show Explanation
D) Vessels tracheids fibres parenchyma but no collenchyma
Show Explanation

Hydra reproduces asexually by:

Balochistan Mock 5
Biology
Reproduction
Reproduction in Plants
A) Binary fission
Show Explanation
B) Multiple fission
Show Explanation
C) Budding
Show Explanation
D) Regeneration
Show Explanation

Which of the following is not isotonic to sea water?

Balochistan Mock 5
Biology
Homeostasis
Osmoregulation
A) Myxine
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B) Skates
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C) Sharks
Show Explanation
D) Teleost
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In protein synthesis the initiator tRNA carrying amino acid methionine land on which site of ribosome:

Balochistan Mock 5
Biology
Chromosomes and DNA
Translation
A) E site
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B) P site
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C) A site
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D) C site
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The enzyme which plays an important role in HIV pathogenesis is:

Balochistan Mock 5
Biology
Bio-diversity | Variety of Life
A) RNA polymerase I
Show Explanation
B) DNA polymerase II
Show Explanation
C) Reverse Transcriptase I
Show Explanation
D) Reverse Transcriptase
Show Explanation

Testes are structures that produce:

Balochistan Mock 5
Biology
Reproduction
Reproduction in Males
A) Spores
Show Explanation
B) Sperms
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C) Seeds
Show Explanation
D) Ova
Show Explanation

Based on the peak levels of hormone X, on what day of the cycle is ovulation most likely to occur?

Balochistan Mock 5
Biology
Reproduction
Reproduction in Females
A) Day 21
Show Explanation
B) Day 14
Show Explanation
C) Day 12
Show Explanation
D) Day 25
Show Explanation

Phragmoplast is formed during:

Balochistan Mock 5
Biology
Cell Cycle
A) Metaphase
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B) Anaphase
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C) Telophase
Show Explanation
D) Cytokinesis
Show Explanation

Enzymes have what effect on the end-product?

Balochistan Mock 5
Biology
A) They alter the product
Show Explanation
B) The nature of the product is completely changed
Show Explanation
C) No effect
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D) The end product is not obtained
Show Explanation

2 grams of H2 molecules contain ______ molecules.

Balochistan Mock 5
Chemistry
Stoichiometry
Mole
A) 12.04 x 1023
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B) 6.02 x 1023
Show Explanation
C) 3.01 x 1023
Show Explanation
D) 1.008
Show Explanation

When fused PbBr2 is electrolyzed:

Balochistan Mock 5
Chemistry
Electrochemistry
Electrolysis
A) Bromine appears at the cathode
Show Explanation
B) Lead is deposited at the cathode
Show Explanation
C) Lead appears at the anode
Show Explanation
D) None of the given options
Show Explanation

Solid CO2 dry ice has a structure just like:

Balochistan Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Types of Solids
A) Diamond
Show Explanation
B) NaCl
Show Explanation
C) Graphite
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D) None of the above
Show Explanation

Half atmospheric pressure is:

Balochistan Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Daltons Law of Partial Pressures
A) 400 torr
Show Explanation
B) 50622 Pa
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C) 101.3 Pa
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D) 8.5 pounds
Show Explanation

Which of the following reaction has greater Kp than Kc?

Balochistan Mock 5
Chemistry
Chemical Equilibrium
Equilibrium Constant
A) 2NO + Cl2 2NOCl
Show Explanation
B) 2SO2 + O2 2SO3
Show Explanation
C) 2NOCl 2NO + Cl2
Show Explanation
D) N2 + 3H2 2NH3
Show Explanation

Given the reaction:

C3H6 + 5O2 → 3CO2 + 4H2O

At STP, how many litres of O2 are needed to completely burn 5.0 litres of C3H6?

Balochistan Mock 5
Chemistry
Stoichiometry
Mole
A) 5
Show Explanation
B) 10
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C) 10.5
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D) 15
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E) 25
Show Explanation

“In an atom no two electrons can have the same set of four Quantum numbers” is stated by:

Balochistan Mock 5
Chemistry
Atomic Structure
Plancks Quantum Theory
A) Heisenberg’s uncertainty principle
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B) Aufbau Principle
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C) Pauli’s Exclusion principle
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D) Hund’s Rule
Show Explanation

Limiting reactant controls the amount of __ ?

Balochistan Mock 5
Chemistry
Introduction to Fundamental Concepts of Chemistry
Important Assumptions of Stoichiometric Calculations
A) reactant
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B) products
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C) both A & B
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D) none of these
Show Explanation

Why do electrons have opposite spins when they are in the same orbital?

Balochistan Mock 5
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) This condition reduces friction
Show Explanation
B) This condition creates more energy
Show Explanation
C) This condition results in zero magnetism and removes the charge of the electron
Show Explanation
D) This condition results in less repulsion and opposite magnetic fields
Show Explanation

Which one is not related to evaporation?

Balochistan Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Evaporation
A) Continuous
Show Explanation
B) Endothermic
Show Explanation
C) Exothermic
Show Explanation
D) Spontaneous
Show Explanation

The thermal energy at constant pressure is called:

Balochistan Mock 5
Chemistry
Thermochemistry
Enthalpies of Reactions and its Types
A) Enthalpy
Show Explanation
B) Internal Energy
Show Explanation
C) Heat capacity
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D) Work done
Show Explanation

Energy for the endothermic reaction is given a ____ value?

Balochistan Mock 5
Chemistry
Thermochemistry
Standard States and Enthalpy Changes
A) Positive
Show Explanation
B) Negative
Show Explanation
C) Zero
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D) Neither positive nor negative
Show Explanation

If we take 2.2 grams of CO2, 6.02 x 1021 atoms of nitrogen and 0.03-gram atoms of sulfur, then the molar ratio of CO2, N and S atoms will be:

Balochistan Mock 5
Chemistry
Stoichiometry
Mole
A) 1:2:5
Show Explanation
B) 5:1:2
Show Explanation
C) 2:5:3
Show Explanation
D) 5:1:3
Show Explanation

One Calorie is equal to:

Balochistan Mock 5
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) 4.18 KJ
Show Explanation
B) 4.18 J
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C) 0.418 KJ mol-1
Show Explanation
D) 0.418 KJ
Show Explanation

Choose the correct statement:

Balochistan Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Types of Solids
A) Diamond is the hardest and graphite is softest
Show Explanation
B) Graphite is the hardest while lamp black is softest
Show Explanation
C) Coal is the hardest and coke is softest
Show Explanation
D) Diamond is the hardest and coke is softest
Show Explanation

The given diagram shows the enthalpy changes during a chemical reaction.

Balochistan Mock 5
Chemistry
Thermochemistry
Standard States and Enthalpy Changes
A) An endothermic reaction
Show Explanation
B) An exothermic reaction
Show Explanation
C) An isothermic process
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D) A non-spontaneous process
Show Explanation

CH3Cl + Cl2 —-> CH2Cl2 + HCl is an example of ?

Balochistan Mock 5
Chemistry
Electrochemistry
Redox Equations
A) Oxidation reduction
Show Explanation
B) Addition reaction
Show Explanation
C) Substitution reaction
Show Explanation
D) Autoxidation reaction
Show Explanation

A sample of 0.7 moles of metal ‘M’ reacts completely with an excess of fluorine to form 45 g of MF2. How many moles of F are present in it?

Balochistan Mock 5
Chemistry
Introduction to Fundamental Concepts of Chemistry
Important Assumptions of Stoichiometric Calculations
A) 1.4 moles
Show Explanation
B) 2.4 moles
Show Explanation
C) 2 moles
Show Explanation
D) 1.2 moles
Show Explanation

The process in which electric current is used to carry out a non-spontaneous redox reaction is called:

Balochistan Mock 5
Chemistry
Electrochemistry
Redox Equations
A) Electrolyte
Show Explanation
B) Electrolysis
Show Explanation
C) Metallic conductor
Show Explanation
D) None of the above
Show Explanation

The relative abundance of isotopes of elements are measured by?

Balochistan Mock 5
Chemistry
Introduction to Fundamental Concepts of Chemistry
Isotopes
A) Atomic Spectroscopy
Show Explanation
B) Ionic Spectroscopy
Show Explanation
C) Mass Spectroscopy
Show Explanation
D) Mass Spectrometry
Show Explanation

The equation N2(g)+ 3H2(g)⇋ 2NH3(g)represents:

Balochistan Mock 5
Chemistry
Chemical Equilibrium
Haber’s Process
A) Contact process
Show Explanation
B) Haber’s process
Show Explanation
C) Solvay process
Show Explanation
D) Avogadro’s Law
Show Explanation

The number of bond(s) between carbon and nitrogen atoms in a Nitrile is:

Balochistan Mock 5
Chemistry
Chemical Bonding
Intermolecular Forces
A) One sigma and one pi
Show Explanation
B) Two sigma and one pi
Show Explanation
C) Only sigma
Show Explanation
D) One sigma and two pi
Show Explanation

Which of the following is the electronic configuration of Potassium(K) Atomic number= 19K?

Balochistan Mock 5
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) 1s2, 2s2, 2p6, 3s2, 3p6, 4s2
Show Explanation
B) 1s2, 2s2, 2p6, 3s2, 3p6, 3s2, 3d1
Show Explanation
C) 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d5
Show Explanation
D) 1s2, 2s2, 2p6, 3s2, 3p6, 4s1
Show Explanation

Which ion will have a maximum value of the heat of hydration?

PMC Practice 1
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) Al+3
Show Explanation
B) Cs+
Show Explanation
C) Ba+
Show Explanation
D) Mg+2
Show Explanation

The radii of the second orbit of the hydrogen atom calculated from Bohr’s model is:

Balochistan Mock 5
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) 0.529 Å
Show Explanation
B) 4.8 Å
Show Explanation
C) 2.116 Å
Show Explanation
D) 3.4 Å
Show Explanation

Formation of carbon dioxide hinders in calculating the heat of formation of:

Balochistan Mock 5
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) CCl4
Show Explanation
B) O3
Show Explanation
C) CO
Show Explanation
D) C
Show Explanation

The amount of energy released by absorbing an electron in the valence shell is:

Balochistan Mock 5
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) Ionization Energy
Show Explanation
B) Electron Affinity
Show Explanation
C) Electronegativity
Show Explanation
D) Atomic Radius
Show Explanation

The electronic configuration of iron is:

Balochistan Mock 5
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) 1s2 , 2s2 , 2p6 , 3s2 , 3p6 , 3d5 , 4s2
Show Explanation
B) 1s2, 2s2 , 2p6 , 3s2 , 3p6 , 3d5, 4s1
Show Explanation
C) 1s2 , 2s2, 2p6 , 3s2 , 3p6 , 3d6 , 4s2
Show Explanation
D) 1s2 , 2s2 , 2p6 , 3s2 , 3p6 , 3d3 , 4s2
Show Explanation

The expression PV = nRT represents the:

Balochistan Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Gas Laws and General Gas Equation
A) Dalton’s Law
Show Explanation
B) Avogadro’s Law
Show Explanation
C) General gas equation
Show Explanation
D) Van der Waals equation
Show Explanation

Born Haber cycle is used to determine:

Balochistan Mock 5
Chemistry
Thermochemistry
Hess’s Law
Born-Haber Cycle
A) Electron affinity
Show Explanation
B) Lattice energy
Show Explanation
C) Crystal energy
Show Explanation
D) All of the above
Show Explanation

What is the measure of activation energy in an endothermic reaction?

Balochistan Mock 5
Chemistry
Thermochemistry
Standard States and Enthalpy Changes
A) The energy of activation of backward reaction is less than that of forward reaction
Show Explanation
B) The energy of activation of backward reaction is more that that of forward reaction.
Show Explanation
C) The energy of activation of forward reaction is less than that of backward reaction.
Show Explanation
D) The energy of activation of forward – backward reaction is same.
Show Explanation

The compression factor (compressibility factor) for one mole of a Van der Waals gas at 00 C and 100 atmosphere pressure is found to be 0.5. Assuming that the volume of gas molecule is negligible, calculate the Van der Waals constant ‘a’.

Balochistan Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Gas Laws and General Gas Equation
A) 1.254
Show Explanation
B) 2.87
Show Explanation
C) 3.76
Show Explanation
D) 1.34
Show Explanation

The enthalpy of certain reactions at 273 K is -20.75 kJ. The enthalpy of the same reaction at 373 K (if heat capacities of reactants and products are the same) will be:

Balochistan Mock 5
Chemistry
Thermochemistry
Standard States and Enthalpy Changes
A) －20.75 kJ
Show Explanation
B) -2075 kJ
Show Explanation
C) Zero
Show Explanation
D) －20.75 x 373/273 kJ
Show Explanation

How many balloons of capacity 0.25dm3 at 1atm pressure can be filled from a hydrogen gas cylinder of 5dm3 capacity at 10 atm?

Balochistan Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Gas Laws and General Gas Equation
A) 50
Show Explanation
B) 90
Show Explanation
C) 180
Show Explanation
D) 200
Show Explanation

For a multi-electron atom, the highest energy level among the following is:

Balochistan Mock 5
Chemistry
Atomic Structure
Bohrs Model of Atom
A) n = 5, l = 0, m = 0 , s = + ½
Show Explanation
B) n= 4 , l = 0 , m = 0 , s = – ½
Show Explanation
C) n= 3 , l = 1, m = 1 , s = – ½
Show Explanation
D) n= 5 , l = 1 , m = 0 , s = + ½
Show Explanation

The overall positive reduction potential value predicts that process is:

Balochistan Mock 5
Chemistry
Electrochemistry
Redox Equations
A) Not feasible
Show Explanation
B) Feasible
Show Explanation
C) Impossible
Show Explanation
D) No indication
Show Explanation

The value of S.T.P for 1 mole of any ideal gas is:

Balochistan Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Gas Laws and General Gas Equation
A) 273.16 K and 1 atm
Show Explanation
B) 0 C & 1 mm Hg
Show Explanation
C) 273.16 C & 1 atm
Show Explanation
D) 0 K & 1 atm
Show Explanation

If we move down the electrochemical series:

Balochistan Mock 5
Chemistry
Electrochemistry
Electrochemical Series
A) Reduction potential will increase
Show Explanation
B) Reduction potential will decrease
Show Explanation
C) Oxidizing ability increase
Show Explanation
D) None of them
Show Explanation

If 9.8 g of sulfuric acid is dissolved in excess quantity of water, it will yield ____ moles of hydrogen ion (H+) and _____ moles of sulphate ions (SO42-).

Balochistan Mock 5
Chemistry
Introduction to Fundamental Concepts of Chemistry
Important Assumptions of Stoichiometric Calculations
A) 0.1, 0.2
Show Explanation
B) 0.1, 0.3
Show Explanation
C) 0.2, 0.4
Show Explanation
D) 0.2, 0.1
Show Explanation

The change in concentration of reactant or product per unit time is called:

Balochistan Mock 5
Chemistry
Reaction Kinetics
Rate and velocity of chemical reaction
A) Rate constant
Show Explanation
B) Rate of reaction
Show Explanation
C) Rate equation
Show Explanation
D) Rate law
Show Explanation

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

Balochistan Mock 5
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

For a gaseous phase reaction, when number of moles of reactants and products are equal:

Balochistan Mock 5
Chemistry
Chemical Equilibrium
Equilibrium Constant
A) The values of Kp and Kc are different
Show Explanation
B) The value of Kp is greater than Kc
Show Explanation
C) The value of Kc is greater than Kp
Show Explanation
D) The values of Kp and Kc are the same
Show Explanation

In the reaction 2Fe+Cl2 2FeCl3

Balochistan Mock 5
Chemistry
Electrochemistry
Redox Equations
A) Fe is reduced
Show Explanation
B) Fe is oxidized
Show Explanation
C) Cl2 oxidized
Show Explanation
D) None of the above
Show Explanation

The maximum possible number of electrons a shell ‘n’ can accommodate is given by:

Balochistan Mock 5
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) n
Show Explanation
B) n2
Show Explanation
C) 2n2
Show Explanation
D) n3
Show Explanation

The breakdown of a substance with current is:

Balochistan Mock 5
Chemistry
Electrochemistry
Electrolysis
A) Thermolysis
Show Explanation
B) Catalysis
Show Explanation
C) Electrolysis
Show Explanation
D) Photolysis
Show Explanation

A crystal system having all sides (a, b and c) unequal and anglesα = β = γ= 90 is:

Balochistan Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Properties of Crystalline Solids
A) Cubic
Show Explanation
B) Rhombohedral
Show Explanation
C) Orthorhombic
Show Explanation
D) Hexagonal
Show Explanation

Which of the following gas is more ideal at STP?

Balochistan Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Non Ideal Behaviour Of Gases
A) SO2
Show Explanation
B) NH3
Show Explanation
C) H2
Show Explanation
D) H2S
Show Explanation

The total number of neutrons in 5g of H2O are:

1 NA = 6.023 x 1023

Balochistan Mock 5
Chemistry
Introduction to Fundamental Concepts of Chemistry
Introduction to the Atom
A) 25 NA
Show Explanation
B) 1.1 NA
Show Explanation
C) 2.5 NA
Show Explanation
D) 0.5 NA
Show Explanation

Ascorbic acid (vitamin C) contains 40.92% carbon, 4.58% hydrogen and 54.5 % of oxygen by mass. What is the empirical formula of ascorbic acid?

Balochistan Mock 5
Chemistry
Stoichiometry
Mole
A) C3H4O3
Show Explanation
B) C3H4O6
Show Explanation
C) CH4O3
Show Explanation
D) C6H4O3
Show Explanation

Which of the following condition is constant in Bomb calorimeter?

Balochistan Mock 5
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) Pressure
Show Explanation
B) Volume
Show Explanation
C) Temperature
Show Explanation
D) All of these
Show Explanation

The difference between soft and hard X-rays is of:

Balochistan Mock 5
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) Velocity
Show Explanation
B) Intensity
Show Explanation
C) Frequency
Show Explanation
D) Polarization
Show Explanation

Which of the following statements is correct?

Balochistan Mock 5
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) Faraday’s experiment proved the existence of electrons
Show Explanation
B) Crookes tube experiment shows the presence of electrons and protons in the atoms
Show Explanation
C) Radioactivity confirms the presence of electrons and protons
Show Explanation
D) Chadwick experiment shows the presence of neutrons
Show Explanation

The maximum number of electrons that an orbital can accommodate is/are:

Balochistan Mock 5
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) 0
Show Explanation
B) 1
Show Explanation
C) 2
Show Explanation
D) 3
Show Explanation

Equal weights of methane and hydrogen are mixed in an empty container at 25°C. The fraction of total pressure exerted by hydrogen is:

Balochistan Mock 5
Chemistry
Stoichiometry
Percentage Correct
A) ½
Show Explanation
B) 8/9
Show Explanation
C) 1/9
Show Explanation
D) 16/17
Show Explanation

Statements:
All apples are bananas.
No banana is a mango.
Some mangoes are oranges.
Conclusions:
(I) All oranges can never be bananas.
(II)Some mangoes are apples.

Balochistan Mock 5
Logical Reasoning
Logical Problems
A) Only conclusion (I) follows
Show Explanation
B) Only conclusion (II) follows
Show Explanation
C) Both conclusions follow
Show Explanation
D) Both of them do not follow
Show Explanation

Sick is to Sack as Lick is to:

Balochistan Mock 5
Logical Reasoning
Logical Deduction
A) Lack
Show Explanation
B) Luck
Show Explanation
C) Eat
Show Explanation
D) Meat
Show Explanation

12,32,72,152 _____

Balochistan Mock 5
Logical Reasoning
Letters and Symbols Series
A) 312
Show Explanation
B) 325
Show Explanation
C) 515
Show Explanation
D) 613
Show Explanation

” I. There has been opposition by the protestors over the government’s decision of removal of subsidy on fertilizers. II. The government has decided to remove subsidy on some of the items to bring a reform to the economy.

Balochistan Mock 5
Logical Reasoning
Cause and Effect
A) Both statements I and II are independent causes
Show Explanation
B) Both statements I and II are the effects of independent cause.
Show Explanation
C) Statement II is the cause and statement I is its effect.
Show Explanation
D) Statement I is the cause and statement II is its effect.
Show Explanation

Fact 1: A boy has four cars.
Fact 2: Two of the cars are red.
Fact 3: He has one sports car.

If the above three statements are facts then which of the following statement will also be a fact?

I. The boy has a red sports car.
II. He has 2 corollas.
III. His favorite color is red.

Balochistan Mock 5
Logical Reasoning
Course of Action
A) Only statements I and II are correct
Show Explanation
B) Only statement II is correct
Show Explanation
C) Only statement III is correct
Show Explanation
D) None of the statements is a fact
Show Explanation

Blueberries cost more than strawberries.
Blueberries cost less than raspberries.
Raspberries cost mre than strawberries and blueberries.
If the first two statements are true, the third statement is:

Balochistan Mock 5
Logical Reasoning
Critical Thinking
A) True
Show Explanation
B) FALSE
Show Explanation
C) Uncertain
Show Explanation
D) None of these
Show Explanation

Select the option which fits appropriately in the blank:

The robber broke into the house and _________ (tie) the lone occupant with ropes.

Balochistan Mock 5
English
Fill in the blank
A) Tied
Show Explanation
B) Ties
Show Explanation
C) Tie
Show Explanation
D) Tying
Show Explanation

Find the error in the following options:

Balochistan Mock 5
English
Identify errors in sentence
A) They talked through the entire movie.
Show Explanation
B) The plants in this garden does not require much water.
Show Explanation
C) She always brings turkey sandwiches for lunch.
Show Explanation
D) None of these options are incorrect
Show Explanation

“What are you doing here?” ” I __________________ TV.”

Balochistan Mock 5
English
Fill in the blank
A) Watching
Show Explanation
B) Am watching
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C) Is watching
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D) Watches
Show Explanation

Demonstrate the correct use of articles and prepositions:

They had been waiting at the departure lounge for almost three hours when they finally got ____ the train.

Balochistan Mock 5
English
Grammar and Punctuation
A) On
Show Explanation
B) In
Show Explanation
C) Up
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D) To
Show Explanation

Demonstrate the correct use of subject-verb agreement:
He was ____ in the rain then.

Balochistan Mock 5
English
Fill in the blank
A) Enjoys
Show Explanation
B) Enjoying
Show Explanation
C) Enjoy
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D) Will enjoy
Show Explanation

Identify the errors and choose the correct option:

Balochistan Mock 5
English
Identify errors in sentence
A) Guliver travels was written to Swift.
Show Explanation
B) Guliver travels was written at Swift.
Show Explanation
C) Guliver’s Travels was written by Swift.
Show Explanation
D) Gulivers’ Travel was written by Swift.
Show Explanation

Which of the following sentences is correct?

Balochistan Mock 5
English
Tenses and Sentence Structure
A) Last year I go to India
Show Explanation
B) Last year I went to India
Show Explanation
C) Last year I am going to India
Show Explanation
D) Last year I will go to India
Show Explanation

Find an error in the following sentence:

Everyone who was injured in the accident were taken to the hospital.

Balochistan Mock 5
English
Identify errors in sentence
A) Everyone who was injured
Show Explanation
B) In the accident
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C) Were taken
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D) To the hospital
Show Explanation

Either my father or my brothers __________ going to sell the car.

Balochistan Mock 5
English
Fill in the blank
A) Is
Show Explanation
B) Are
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C) Were
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D) Was
Show Explanation

Choose the correct option:

Knowledge and wisdom ____ no time for connection.

Balochistan Mock 5
English
Fill in the blank
A) Has
Show Explanation
B) Have
Show Explanation
C) Had
Show Explanation
D) Are
Show Explanation

Find an error in the following sentence:

If I had been thirsty, I would have drank the lemonade without waiting for you.

Balochistan Mock 5
English
Tenses and Sentence Structure
A) If I had been thirsty
Show Explanation
B) I would have
Show Explanation
C) Drank the lemonade
Show Explanation
D) Without waiting for you.
Show Explanation

Select the option which fits appropriately in the blank:

Everyone __________ done his or her homework.

Balochistan Mock 5
English
Fill in the blank
A) Has
Show Explanation
B) Have
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C) Had
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D) Non
Show Explanation

Identify the word similar in meaning to: ‘permissive’

Balochistan Mock 5
English
Key Vocabulary
A) Relaxed
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B) Lenient
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C) Ungrudging
Show Explanation
D) Immoral
Show Explanation

Fill in the blank with appropriate article as required.

_____ umbrella is of no avail against a thunderstorm.

Balochistan Mock 5
English
Fill in the blank
A) The
Show Explanation
B) A
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C) An
Show Explanation
D) No article required
Show Explanation

Select the option which fits appropriately in the blank:

The dog sprang ______________ him.

Balochistan Mock 5
English
Fill in the blank
A) On
Show Explanation
B) Upon
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C) In
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D) Over
Show Explanation

None of them _______ able to solve this question.

Balochistan Mock 5
English
Fill in the blank
A) Is
Show Explanation
B) Were
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C) Will
Show Explanation
D) Would
Show Explanation

Choose the correct type of tense: “We will visit the museum.”

Balochistan Mock 5
English
Tenses and Sentence Structure
A) Present
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B) Past
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C) Future
Show Explanation
D) None of these options is correct
Show Explanation

In the following question, four alternative meanings of a word are given. Select the nearest correct meaning of the word given.

INVIDIOUS:

Balochistan Mock 5
English
Key Vocabulary
A) Unbreakable
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B) Interesting
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C) Unpleasant
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D) Fair
Show Explanation

In an astronomical telescope, the lens called eyepiece forms an image of a distant object that is:

Balochistan Mock 5
Physics
Optics, Nature of Light and Optical Instruments
Magnifying and Resolving Power of Optical Instruments
A) Real and diminished
Show Explanation
B) Real and magnified
Show Explanation
C) Virtual and diminished
Show Explanation
D) Virtual and magnified
Show Explanation

At every point of the trajectory of projectile, which of the following quantities is always zero?

Balochistan Mock 5
Physics
Forces and Motion
Motion in Two Dimensions
A) Horizontal velocity
Show Explanation
B) Total velocity
Show Explanation
C) Vertical accelaration
Show Explanation
D) Horizontal acceleration
Show Explanation

If the waves interfere constructively, the amplitude of the resulting wave would be:

Balochistan Mock 5
Physics
Wave Motion and Sound
A) Less than either of the individual waves
Show Explanation
B) Greater than either of the individual waves
Show Explanation
C) Equal to the shortest of the individual waves
Show Explanation
D) Equal to the greatest of the individual waves
Show Explanation

If the amplitude is 200, the intensity is 300 When the amplitude is increased to 800 then what will be the intensity?

Balochistan Mock 5
Physics
Wave Motion and Sound
A) 1200
Show Explanation
B) 1400
Show Explanation
C) 1600
Show Explanation
D) 1800
Show Explanation
E) 4800
Show Explanation

The equation ΔU = ΔQ refers to:

Balochistan Mock 5
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) Isothermal process
Show Explanation
B) Adiabatic process
Show Explanation
C) Isochoric process
Show Explanation
D) Isobaric process
Show Explanatio

When the length of simple pendulum is doubled, the ratio of its new time period to old time period is:

Balochistan Mock 5
Physics
Oscillations and Simple Harmonic Motion
A) 3√2
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B) 1√2
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C) 2√2
Show Explanation
D) √2
Show Explanation

Two capacitors C1 = 3 uF and C2 = 6 uF are in series across a 90 volts D.C. supply. The total capacitance is given by:

Balochistan Mock 5
Physics
Electrostatics
Capacitor
A) 9 uF
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B) 2 uF
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C) 10 uF
Show Explanation
D) 90 uF
Show Explanati

The entropy of the universe always:

Balochistan Mock 5
Physics
Heat and Thermodynamics
Entropy
A) Decreases
Show Explanation
B) Increases
Show Explanation
C) Remains the same
Show Explanation
D) Both A and B
Show Explanation

A wire has a spring constant of 5 x 104 N m-1. It is stretched by a force to extension of 1.4 mm. Calculate the strain energy stored in the wire.

Balochistan Mock 5
Physics
Oscillations and Simple Harmonic Motion
A) 4.9 x 10-5 J
Show Explanation
B) 4.9 x 10-2 J
Show Explanation
C) 4.9 J
Show Explanation
D) 4.9 x 10-3 J
Show Explanation

If a wave can be polarized, it means, it is:

Balochistan Mock 5
Physics
Wave Motion and Sound
A) Longitudinal wave
Show Explanation
B) Stationary wave
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C) Superimposed wave
Show Explanation
D) Transverse wave
Show Explanation

A sound wave with a frequency of 343 Hz travels through the air. What is its wavelength? (speed of sound through air = 343 m/s)

Balochistan Mock 5
Physics
Wave Motion and Sound
A) 1 m
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B) 2 m
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C) 3 m
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D) 4 m
Show Explanation

A car covers the first half of a certain distance with a speed V1 and the second half with a speed V2. Find the average speed during the whole journey:

Balochistan Mock 5
Physics
Forces and Motion
A) Option A
Show Explanation
B) Option B
Show Explanation
C) Option C
Show Explanation
D) Option D
Show Explanation

At the highest point of trajectory, which of the following quantities is zero?

Balochistan Mock 5
Physics
Forces and Motion
Motion in Two Dimensions
A) Horizontal velocity
Show Explanation
B) Total velocity
Show Explanation
C) Vertical velocity
Show Explanation
D) None of these options are correct
Show Explanation

The deviation of I-V graph from straight line is due to:

Balochistan Mock 5
Physics
Current Electricity
Ohms Law
A) Decrease in temperature and decrease in resistance
Show Explanation
B) Increase in temperature and increase in resistance
Show Explanation
C) Decrease in temperature and increase in resistance
Show Explanation
D) Increase in temperature and decrease in resistance
Show Explanation

A force which is experienced in a magnetic field depends on:

Balochistan Mock 5
Physics
Magnetism and Electromagnetic Induction
Force on a Current Carrying Conductor in a Uniform Magnetic Field
A) magnitude of charge
Show Explanation
B) speed of the moving charge V
Show Explanation
C) magnitude field of induction B
Show Explanation
D) all of these
Show Explanation

In SHM the kinetic energy of the body is maximum when:

Balochistan Mock 5
Physics
Oscillations and Simple Harmonic Motion
A) The body is at mean position
Show Explanation
B) The body is at extreme position from the mean
Show Explanation
C) The body is exactly half way down between mean and extreme position
Show Explanation
D) The body is somewhere between mean and extreme position
Show Explanation

If the volume of a gas is fixed then on increasing its temperature, its pressure______

Balochistan Mock 5
Physics
Heat and Thermodynamics
Kinetic Theory of Gases
A) Gets negligible
Show Explanation
B) Gets constant
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C) Rises
Show Explanation
D) Falls
Show Explanation

What is true about the electric field and electric force?

Balochistan Mock 5
Physics
Electrostatics
Electric Field Lines
A) Electric field lines are towards negative and electron flow in same direction
Show Explanation
B) Electric field lines are towards positive and electron flow in opposite direction
Show Explanation
C) Electric field lines are towards the negative and electrons flow in the opposite direction.
Show Explanation
D) Electric field lines are positive and electrons flow in the same direction.
Show Explanation

At the top of the trajectory of a projectile, the acceleration is

Balochistan Mock 5
Physics
Forces and Motion
Motion in Two Dimensions
A) =g
Show Explanation
B) =0
Show Explanation
C) =2g
Show Explanation
D) =g/2
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 5
Physics
Forces and Motion
Motion in Two Dimensions
A) Parabolic
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B) Periodic
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C) Hyperbolic trajectory
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D) Linear
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The object oscillates due to:

Balochistan Mock 5
Physics
Oscillations and Simple Harmonic Motion
A) a restoring force
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B) its weight
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C) centripetal force
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D) force of friction
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A coil of 600 turns is threaded by a flux of 8×10-5 webers if this flux is reduced to 3×10-5 webers in 0.015 seconds. The average induced e.m.f. is:

Balochistan Mock 5
Physics
Magnetism and Electromagnetic Induction
Faradays and Lenz Law and Induced EMF
A) -2.0 volts
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B) -3.0 volts
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C) +2.0 volts
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D) +2.5 volts
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The projectile motion of an object on earth is always ____.

Balochistan Mock 5
Physics
Forces and Motion
Motion in Two Dimensions
A) Linear
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B) Parabolic
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C) Cubic
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D) Inverse
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The force which will accelerate a 25 kg mass at 98 cm/s2 on a smooth horizontal plane is:

Balochistan Mock 5
Physics
Forces and Motion
A) 200 Newton
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B) 1950 Newton
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C) 19.6 Newton
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D) 24.5 Newton
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A plane with its engines off is moving with speed v at a height of h in the horizontal direction. The time taken to reach the ground is:

Balochistan Mock 5
Physics
Forces and Motion
Motion in Two Dimensions
A) √(2u/g)
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B) None of these
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C) √(2g/u)
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D) √(2h/g)
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When a source is moving towards a stationary observer, the apparent change in frequency will be:

Balochistan Mock 5
Physics
Wave Motion and Sound
A) Greater than the original frequency
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B) Remains the same as that of original frequency
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C) Smaller than the original frequency
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D) None of the above
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