MDCAT Mock Test 8

Created by Ali Durrani

MDCAT

MDCAT Mock Test 8

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Category: Biology

Q.38 The cell organelles involved, in some cases, with extra-cellular digestion

A. Golgi complex

B. Lysosomes

C. Peroxisomes

D. Glyoxysomes

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Category: Biology

Q37 The muscle contraction depends on:

A. Nerve impulse

B. Energy

C. Calcium

D. All of these

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Category: Biology

Q.36 The ETC in plants consists of an electron carrier called?

A. Pq

B. Pc

C. Pt

D.Po

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Category: Biology

Q.35 Enzymes for light-dependent reactions of photosynthesis would most likely be associated with:

A. Outer membrane of the chloroplast

B. Inner membrane of the chloroplast

C. Stroma of the chloroplast

D. Thylakoid membranes of the chloroplast

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Category: Biology

Q.34 If the non-protien part is loosely attached to the protein part in the enzyme, it is known as

A. coenzyme

B. prosthetic group

C. cofactor

D. apoenzyme

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Category: Biology

Q.33 The presence of peptidoglycan in Gram positive bacteria is

A. 40% of dry weight

B. 50% of dry weight

C. 10% of dry weight

D. 80%% of dry weight

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Category: Biology

Q.32 Lymphocytes are found in:

A. Lymph capillary

B. Lymph vessel

C. Lymph trunk

D. lymph node

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Category: Biology

Q31 What happens during muscle contraction to the length of each myosin and actin filament?

A. A band becomes short

B. I band elongates

C. There is no change in sarcomere

D. Z- lines get closer

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Category: Biology

Q.30 This group of animals has three bones in the ear.

A. Reptiles

B. Mammals

C. Both reptiles and mammals

D. Birds and mammals

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Category: Biology

Q.29 A monohybrid cross yielded 3:1 in F2. What could be mode of inheritance?

A. segregation

B. independent assortment

C. Both A and B

D. none of these

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Category: Biology

Q.28 The enzyme which plays important role in HIV pathogenesis

A. RNA polymerase I

B. DNA polymerase II

C. Reverse Transcriptase I

D. Reverse Transcriptase

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Category: Biology

Q.28 The enzyme which plays important role in HIV pathogenesis

A. RNA polymerase I

B. DNA polymerase II

C. Reverse Transcriptase I

D. Reverse Transcriptase

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Category: Biology

Q.27 In the process of esterification OH is derived from?

A. Ether

B. Alcohol

C. Water

D. Both A and B

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Category: Biology

Q.26 Two pea plants are crossed. One plant is homozygous dominant for purple flowers, and the other is homozygous recessive for white lowers. What fraction of the F2 population will have white lowers?

A. 1/4

B. 1/2

C. 1/8

D. 1/16

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Category: Biology

Q.25 Which of the following is an example of a marine annelid?

A. Neries

B. Stylaria

C. Earthworm

D. Leech

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Category: Biology

Q.24 Glycophorin is involved in which of the following disease?

A. Viral fever

B. common cold

C. asthma

D. malaria

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Category: Biology

Q.23 During inspiration, the diaphragm:

A. Contracts

B. Relaxes

C. Contracts and relaxes

D. None of these

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Category: Biology

Q.22 Which of the following is false about conjugation?

A. It forms a bridge between two bacterial cells

B. It involves transport of genetic material via vectors

C. It is a form of sexual reproduction

D. Both A and B

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Category: Biology

Q.21 When was the Tobacco mosaic virus successfully crystalized?

A. 1935

B.1930

C. 1932

D.1920

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Category: Biology

Q.20 Cytochromes are electron transport intermediates containing?

A. myoglobin

B. heam

C. globulin

D. fibrin

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Category: Biology

Q.19 Sm0oth endoplasmic reticulum is abundant in which types of cells?

A. lipid metabolism

B. protein metabolism

C. glucose metabolism

D. calcium metabolism

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Category: Biology

Q.18 Which of these is not a reflex action?

A, Secretion of sweat

B. salivation

C. Flexion due to needle prick

D. blinking of eyes due to strong light

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Category: Biology

Q.17 A structural component that is found in all viruses is?

A. envelope

B. DNA

C. Capsid

D. Tail Fibers

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Category: Biology

Q.16 Which of the following changes length during sarcomere contraction?

A. Thick filaments

B. Thin filaments

C.H zone

D. all of these Inco

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Category: Biology

Q.15 Urethra and vagina have openings to the exterior:

A. common

B. independent

C. Both A and B

D. None of these

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Category: Biology

Q.14 Protein coat of a virus enclosing nucleic acid is called?

A. Vector

B. Capsid

C. Plasmid

D. Genome

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Category: Biology

Q.13 The frequency of allele if it is evolutionary successful is?

A. increased

B. Enzymes

C. no change

D. All of these

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Category: Biology

Q.12 In enzymatic mechanism, the substrate bind to enzyme active site to produce?

A. Reactants

B. Enzyme

C. Products

D. all of these

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Category: Biology

Photosystems are located in _

A. Stroma

B. Chloroplast envelope

C. Thylakoid membranes

D. The intergrana

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Category: Biology

Q.10 Synaptic vesicles discharge which hormone at the neuromuscular junction?

A, acetylcholine

B. adrenaline

C. estradiol

D. testosterone

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Category: Biology

Q.9 This is a reduced compound

A. CO2

B. O2

C. NADH

D. NAD

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Category: Biology

Q.8 Which of the following structure provides greater pathogenicity to the bacteria?

A. slime

B. cell wall

C. cell membrane

D. capsule

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Category: Biology

Q.7 The thalamus and the hypothalamus are located in which region of the brain?

A. brain stem

B. cerebrum

C. cerebellum

D. Diencephalon

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Category: Biology

Q.6 The uterus of the female reproductive system opens into the?

A. placenta

B. birth canal

C. cervix

D. all of these

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Category: Biology

Q.5 Evaporation of water from aerial parts of plants is called:

A. ascent ofI Sap

B. deplasmolysis

C. deplasmolysis

D. none of these

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Category: Biology

Q4 A condition with abnormal amount of fats is called:

A. anorexia

B. botulism

C. piles

D. obesity

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Category: Biology

Q3 Assymetrical body is a feature of phylum

A. Annelida

B. Arthropoda

C. Porifera

D. Cnidaria

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Category: Biology

Q.2 The set of all genes in any population is termed as?

A. population pool

B. species pool

C. gene pool

D. all of these

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Category: Biology

Q.1 In all plants the major sites of photosynthesis are?

A. Leaf

B.Stems

C. Roots

D. Branches

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Category: Biology

Q.68 A person was married to his cousin and both are heterozygous for sickle cell anemia. Among their four kids, what will be proportion of affected homozygotes?

A. 50%

B. 25%

C. 75%

D. 100%

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Category: Biology

Q.67 Interaction between genes occupying different loci is:

A. Dominance

B. Pleiotropy

C. Epistasis

D. Gene linkage

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Category: Biology

Q.66 Which of the following provides the strong evidence in support of evolution:

A. Fossil record

B. Comparative embryology

C. Comparative anatomy

D. Molecular biology

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Category: Biology

Q.65 Which one of the following is the attribute of Lamarckism?

A. Natural selection

B. Inheritance of acquired characteristics

C. Struggle for existence

D. Production of more individuals

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Category: Biology

Q.64 All of the following are the attributes of evolution except:

A. O3 began to filter UV radiations

B. Some organisms began to utilized O2 in the start of evolution

C. Nutrient supply is abundant

D. The reducing atmosphere slowly become oxidizing atmosphere

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Category: Biology

Q.63 Ozone depletion is commonly caused by:

A. CFC’s

B. Industrial smoke

C. Nitrogen gases

D. Green house gases

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Category: Biology

Q.62 Sum rays are re-radiated from the surface of earth in the form of:

A. Long wave radiation

B. Radio waves

C. Short wave radiation

D. Medium waves

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Category: Biology

Q.61 Herbivores always occupy :

A. T1

B. T3

C. T2

D. T4

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Category: Biology

Q.60 A small size gene can be get easily by/from:

A. From chromosome

B. Reverse transcription of mRNA

C. Chemically synthesized it

D. Genomic material

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Category: Biology

Q.59 NADH produced during glycolysis and Krebs cycle will oxidized by:

A. Coenzyme ‘Q’

B. Cytochrome ‘c’

C. Cytochrome ‘b’

D. Cytochrome ‘a’

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Category: Biology

Q.58 The enzymes required for the breakdown of glucose into pyruvate is present in:

A. Cytosol

B. Plastids

C. Mitochondria

D. Lumen of ER

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Category: Biology

Q.57 Electron transport chain pumps protons across the membrane from __________ to ____________.

A. Thylakoid space, stroma

B. Inter-membrane space, stroma

C. Stroma, inter-membrane space

D. Stroma, thylakoid space

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Category: Biology

Q.56 During cyclic photophosphorylation, electrons are diverted back to:

A. Plastoquinone

B. Cytochrome complex

C. Plastocyanin

D. Ferredoxin

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Category: Biology

Q.55 Immunogen is a foreign substance and stimulates the formation of:

A. Antitoxins

B. Antiserum

C. Antibodies

D. Lymph

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Category: Biology

Q.54 First cardiac sound is associated with:

A. Closure of tricuspid and bicuspid valves

B. Closure of semilunar valves

C. Opening of tricuspid valves

D. Opening of semilunar valves

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Category: Biology

Q.53 In case of snake bite, the most appropriate strategy to provide immunity would be:

A. Actively induced immunity

B. Artificial passive immunity

C. Naturally induced immunity

D. Auto immunity

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Category: Biology

Q.52 The plasma pool of antibodies is synthesized from:

A. T- lymphocytes

B. Plasma cells

C. B- lymphocytes

D. Fibroblasts

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Category: Biology

Q.51 The heavy and light chains of an antibody molecule is held together by:

A. H-bonds

B. Disulphide bridges

C. Ionic interactions

D. Hydrophobic interactions

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Category: Biology

Q.51 The heavy and light chains of an antibody molecule is held together by:

A. H-bonds

B. Disulphide bridges

C. Ionic interactions

D. Hydrophobic interactions

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Category: Biology

Q.51 The heavy and light chains of an antibody molecule is held together by:

A. H-bonds

B. Disulphide bridges

C. Ionic interactions

D. Hydrophobic interactions

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Category: Biology

Q.50 Which of the following hormones is essential for the production of sperms?

A. LH
B. Estrogen
C. Gonadotrophin hormones
D. Testosterone

A. LH

B. Estrogen

C. Gonadotrophin hormones

D. Testosterone

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Category: Biology

Q.49 Gastric secretion is stimulated by:

A. Gastrin

B. Cholecystokinin

C. Secretin

D. Pancreozymin

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Category: Biology

Q.48 Which of the following is incorrectly matched?

A. Glucagon- Beta cells

B. Corpus luteum- Progesterone

C. Insulin- Diabetes mellitus

D. Thyroid gland- Grave’s disease

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Category: Biology

Q.47 The chemical nature of oxytocin is:

A. Protein

B. Amino acid derivative

C. Polypeptide

D. Steroid Incorrect

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Category: Biology

Q.46 Identify the property which is not related to cardiac muscle:

A. Irregular strips

B. Spontaneous contraction

C. Branched

D. Slow speed of contraction

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Category: Biology

Q.45 Muscle fatigue is characterized by all except:

A. Accumulation of lactic acid

B. pH drops

C. Cross bridges are unable to detach

D. Increased ATP concentration

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Category: Biology

Q.45 Muscle fatigue is characterized by all except:

A. Accumulation of lactic acid

B. pH drops

C. Cross bridges are unable to detach

D. Increased ATP concentration

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Category: Biology

Q.44 When calcium gates of the smooth endoplasmic reticulum are open, then calcium is released into:

A. Cytosol

B. Organelle lumen

C. Nucleoplasm

D. Directly taken up by myofilament

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Category: Biology

Q.43 Which of the following disappear during muscle contraction?

A. A-band

B. H-zone

C. I-band

D. M-line

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Category: Physics

Q.97 Which statement is in correct?

A. In a isobaric process )P-O

B. In a isochoric process )W=0

C. In a isothermal process )T=0

D. In a isothermal process )Q=0

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Category: Physics

Q.96 Frequency of a travelling wave is 2000 Hz. Its speed is 300m/s. What is its wavelength?

A. 20/3 m

B. 20 x 3 m

C. 3/20 m

D. 2/3 m

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Category: Physics

Q.95 The open-circuit test in a transformer is used to measure

A. Copper loss

B. winding loss

C. Total loss

D. core loss

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Category: Physics

Q.94 Woolen clothes keep the body warm because of

A. bad conductivity

B. good conductivity

C. low temperature

D. none of these

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Category: Physics

Q.93 A cubic vessel of height 1 m is full of water, the minimum work done in taking water out

A. S00 J

B. 1000 J

C.5J

D. 10

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Category: Physics

Q.92 If a proton, alpha particle and photon moving with same velocity enter in uniform magnetic field then which particle will deflect more

A. proton

B. alpha particle

C. photon

D. all of these

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Category: Physics

Q.91 The source of gamma radiation is

A. outside nucleus

B. inside nucleus

C. electron transition

D. none of these

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Category: Physics

Q.90 Two identical gases expand (i) isothermally (ii) adiabatically Work done is more in

A. Isothermal process

B. Adiabatic process

C. Neither of them

D. Equal in both cases

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Category: Physics

Q.89 Maximum efficiency of half wave rectifier is

A.80.6%

B. 40.60%

C. 70%

D.S0%

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Category: Physics

Q.88 In case of spectrometer circular scale, graduated in half degree, is attached with

A. Telescope

B. Turntable

C. Cross wire of telescope

D. None of these

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Category: Physics

Q.87 Coherent source of light means

A. Muitiple wavelength

B. double wavelength

C. Single wavelength

D. coherent photons

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Category: Physics

Q.86 The activity of a radioactive isotope decreases from 8000 to 10000 in 60 days. The half life of isotope will be

A. 10 year

B. 20 years

C. 30 years

D. 40 years

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Category: Physics

Q.85 An air pipe opens at both ends. A stationary wave is produced in second harmonic mode. What is the phase difference between the motion of the particles at the end of the pipe and at the centre of the pipe.

A. 0

B. 90

C.180

D. 270

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Category: Physics

Q.84 A loop of radius 1 m is placed on a inclined of 60 degree with the magnetic field of 100T, corresponding flux will be

A. 314 wb

B. 107 w

C. 157 wb

D. 435 wb

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Category: Physics

Q.83 Protons and neutrons are composed of smaller particles called

A. Quarks

B. baryons

C. bosons

D. photons

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Category: Physics

Q.82 What is the maximum electron energy in neutron beta decay?

A. 783 eV

B. 783 KeV

C. 783 GeV

D. 783 Tev

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Category: Physics

Q.81 Which of the following is the same for isotopes?

A. neutrons

B. protons

C. electrons

D. all of them

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Category: Physics

Q.80 The value of universal gas, R, constant is_______________

A. 8.314 JmolxK

B. 1.38x 10^23 JIK

C. 6.63x 10^11 Nm2 kg2

D. 1.6 x 10-19 C

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Category: Physics

Q.79 Rectifier is a device which converts

A. AC to DC

B. DC to AC

C. AC to triangular current

D. DC to triangular current

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Category: Physics

Q.78 Which of the following frequency of sound wave is audible?

A. .5 Hz

B. S000 HZ

C. 2500 kHz

D. 50 kHz

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Category: Physics

Q.77 The electron volt is the unit of_____________

A. electric Current

B. electric potential

C. electric energy

D. electric flux

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Category: Physics

Q.76 Effect of work is equal to

A. Change m total energy

B. change into Kinetic energy

C. change in power

D. none of these

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Category: Physics

Q.75 Velocity is a

A. tensor

B. vector

C. Scalar

D. None of these

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Category: Physics

Q.73 An electrical instrument which is used to measure potential difference between two points is called

A. Barometer

B. Manometer

C. Galvanometer

D. Voltmeter

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Category: Physics

Q.72 The black body aways radiations

A Emit

B. Absorb

C. Both A and B

D. Reflects

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Category: Physics

Q.71 The nucleus is made up of more neutrons than protons

A. H

B. O

C.U

D. None of these

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Category: Physics

The oscillating object overshoots the rest position due to:

A. Restoring force

B. Inertia

C. Gravitational potential energy

D. Elastic potential energy

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Category: Physics

Q.180 If a full wave rectifier circuit is operating from 60 Hz mains, the fundamental frequency in the ripple will be

A. 60 Hz

B. 120 Hz

C. 70.7 Hz

D. 25 Hz

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Category: Physics

Q.179 Which of the following have smallest e/m ratio?

A. Electron

B. Proton

C. b – particle

D. α – particle

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Category: Physics

Q.178 Laminated core in a transformer is used to reduce

A. Eddy current losses

B. Hysteresis losses

C. Iron losses

D. Heat losses due to resistance

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Category: Physics

Q.177 An electron is injected into a uniform magnetic field with components of velocity parallel to and normal to the field direction. The path of the electron is a

A. Helix

B. Parabola

C. Circle

D. Straight line

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Category: Physics

Q.176 When north pole of a magnet is moved towards the face of a coil then the face of coil act as

A. North pole

B. South pole

C. Neutral

D. We cannot predict about it

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Category: Physics

Q.175 Two charges are projected in a magnetic field. Their paths after entering field is shown in figure. What type of these charges are?

A. One is proton and other is α-particle

B. One is proton and other is neutron

C. One is electron and other is proton

D. None of these

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Category: Physics

Q.174 In case of a straight conductor, the magnetic lines of force are

A. Circular

B. Tangential

C. Only a straight line

D. All of above

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Category: Physics

Q.173 In step up transformer, voltage in the secondary increases and power in secondary

A. Remain same

B. Increases because current decreases

C. Decreases because voltage increases

D. May increases if voltage remain same

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Category: Physics

Q.172 In a loop of wire current is flowing clockwise the direction of magnetic field through loop is

A. Outward

B. Inward

C. Anticlockwise

D. None of these

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Category: Physics

Q.171If 20 g of a radioactive substance reduces to 10 g in 4 minutes, then in what time will 80 g of the same substance reduce to 10 g.

A.8min

B.12min

C.16min

D.20min

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Category: Physics

Q.179 A primary cell has an emf of 1.5 V. When a 5W resistor is connected across it, the current is 0.2 A. The internal resistance of the cell is

A. 0.5 W

B. 2.5 W

C. 1.25 W

D. 3.0 W

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Category: Physics

Q.169 A metallic sphere of diameter 30 cm, carries a charge of 600 mC. Find electric field intensity at surface of sphere?

A. 54 × 103NC–1

B. 54 × 107NC–1

C. 13.5 × 103NC–1

D. 2.4 × 108NC–1

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Category: Physics

Q.168 When a dielectric is inserted between the plates of a charged capacitor the energy stored.

A. Increases

B. Remains same

C. Decreases

D. May increase or decrease depending upon whether battery is connected or removed

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Category: Physics

Q.167 The force acting between two equal point charges distance r apart in air is F. If one of the charges is rotated about the other in a circle of radius r, the work done will be

A. rF

C. 2πrF

D. Zero

B. 2rF

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Category: Physics

Q.166 The energy required to charge a capacitor of 5μF by connecting a D.C source of 20 kV is

A. 10 kJ

B. 5 kJ

C. 2 kJ

D. 1 kJ

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Category: Physics

Q.165 The change in internal energy can be defined as

A. DU–W

B. Q–W

C. PDV

D. Q+W

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Category: Physics

Q.164 Heat given to an ideal gas under isothermal conditions is used

A. In increasing the temperature

B. In increasing the internal energy

C. In doing external work

D. In increasing the temperature and doing external work

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Category: Physics

Q.163 In the adiabatic process there is no

A. Work done

B. Heat exchange

C. Temp change

D. Internal energy change

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Category: Physics

Q.162 The distance between two points on a periodic wave is 0.2 m. Find the phase difference between these two points, if the wavelength of the wave is 1.2 m

A.π/2

B.π/6

C.π/3

D.π/4

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Category: Physics

Q.161 The absorption spectrum of galaxy is measured and wavelength of one of the lines identified as the calcium a line is found to be 478 nm. The same line has wavelength of 397 nm when measured in the laboratory. The apparent frequency of light from the galaxy is

A. More than actual frequency

B. Equal to actual frequency

C. Less than actual frequency

D. None of these

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Category: Physics

Q.160 In stretched string, harmonic series are determined by

A. Tension and Length of String

B. Tension, Length of Wave and Mass per unit Length of String

C. Tension and Mass per Unit Length of String

D. Tension, Length of String and Mass per unit Length

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Category: Physics

Q.159 The angular frequency and the frequency of a SHM are related as:

A.f=2 2πω

B. ω=2πf

C. f=1/2 πω

D.f=1/ ω

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Category: Physics

Q.158 If a body of mass m is rotating in a circle of radius r with frequency of rotation “f” then centripetal force acting on it is

A.2πmrf

C.4π^2mrf

D.π^2mrf^2

B.4π^2mrf

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Category: Physics

Q.157 A wheel from 1 m diameter makes 60 rev/min. The linear speed of a point on its rim in m/s is

A.π

B.π/2

C. 2π

D.3π

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Category: Physics

Q.156 In equation 90° is angle between

A. r and v

B. r and ω

C. v And ω

D. All are correct

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Category: Physics

Q.155 A body is thrown vertically upward with velocity 50 m/s when its velocity become 10 m/s % of its K.E which changed into P.E is

A. 80%

B. 95%

C. 90%

D. 96%

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Category: Physics

Q.154 K.E of a body become th than its initial value. What is the change in its velocity?

A. No change

B. Double

C. Half

D. Become th

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Category: Chemistry

Q.77 H banding is not present in which of the following_____________?

A.DNA

B. proteins

C. Carbohydrates

D. Lipids

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Category: Chemistry

Q.76 Which of the following methods .used to prepare acetic acid?

A. Distillation

B. Fermentation

C. Dehydration

D. Ozon lysis

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Category: Chemistry

Q.75 Metallic character depends on.

A. Electron affinity

B. Ionization energy

C. Electronegativity

D. All of these

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Category: Chemistry

Q.74 The specific site at which substrate is attached on the enzyme and converted into product is called as_________________?

A. Reaction site

B. Active site

C. Binding site

D. None of these

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Category: Chemistry

Q.73 The unit used to express the relative atomic mass is called

A. Gram unit

B. Avogadro’s number

C. Atomic mass

D. Atomic mass unit

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Category: Chemistry

Q.72 Isopentane is an example of_

A. Aromatic compounds

B. Branched chain compound

C. Alicyclic compounds

D. None of these

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Category: Chemistry

Q.71 Glycerol can also be termed as

A.1-butanol

B. 1,2,3-propanetrio

C.2-methyl – propanol

D. Isobutyl alcohol

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Category: Chemistry

Q.70 Which one of the following is an electrophile?

A. Br

B.CH4

C. NH3

D. H2O

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Category: Chemistry

Q.69 Carbon dioxide is an Example of

A. Ionic Solid

B. Metallic Solid

C. Molecular Solid

D. Covalent Solid

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Category: Chemistry

Q.180 Enzymes speed up the reaction upto

A. 10^10

B. 200^10

C.10^20

D.150^10

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Category: Chemistry

Q.179 The nature of amorphous solid is

A. Isotropic

B. Anisotropic

C. Mesotrophic

D. Neotropic

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Category: Chemistry

Q.178 Which type of bonds are break during cracking?

A. C-C

B.C-H

C. Both C-C and C-H

D. C-O

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Category: Chemistry

Q.178 Which type of bonds are break during cracking?

A. C-C

B.C-H

C. Both C-C and C-H

D. C-O

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Category: Chemistry

Q.177 Fluorine has highest electronegativity value that is

A. 3.4

B.. 4

C. 1.2

D. 2.6

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Category: Chemistry

Q.176 Quantum number values for 2p orbítals are

A. n=2,l=1

B. n= 1.l=2

C. n =1,1l=0

D. n=2,l=2

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Category: Chemistry

Q.175 A compound has an empirical (simple) formula, C2lH20. If the experimental molecular weight is found to be in the range 16-17, the molecular formula of this compound is: (Atomic wt.: C= 12.1, H=1. 8, 0=16.)

A. C3H6O3

B .C4H4O2

C. C2H204

D. C6H6O3

139 / 200

Category: Chemistry

Q.174 The alcohols which are resistant to oxidation reactions are

A. Primary alcohols

B. Secondary alcohol

C. Tertiary alcohol

D. All of above

140 / 200

Category: Chemistry

Q.173 Critical temperature of ammonia is C

A. 31.14

B. 13.24

C. 132.44

D.1.11

141 / 200

Category: Chemistry

Q.172 Dipole forces has direct relation with the

A. Chemical properties of a substance

B. Kinetic properties of substance

C. Thermodynamic properties of substance

D. Nature of substance

142 / 200

Category: Chemistry

Q.171 Which type of carboxylic acid is produced from the hydrolysis of nitriles?

A. Beta-hydroxy carboxylic acids

B. Acids having one carbon more than the starting material

C. Acids having one carbon less than the starting material

D. Alpha-hydroxy acids

143 / 200

Category: Chemistry

Q.169 The oxidation number of Nickel in [Ni(CO)A] is

A. 2

B. 8

C.6

D.4

144 / 200

Category: Chemistry

Q.168 In aldol condensation, nucleophile is_

A. Hydroxyl ion

B. Carbocation

C. Carbanion

D. Water

145 / 200

Category: Chemistry

Q.167 The number of charges present on a cation depends on number of electrons______________ by the atom

A . Gain

B. Lost

Accept

D. Produced

146 / 200

Category: Chemistry

Q.165 Carboxylic acids are formed by the hydrolysis of_

A. Ester Nitriles

B. Nitriles, amines

C. Alkenes, Alkynes

D. Esters, Alcohols

147 / 200

Category: Chemistry

Q.164 Reaction of vinyl acetylene with HCI produces?

A. Polyvinyl polymer

B. Polyvinyl Acetylene

D. Chloroprene

C. Neoprene

148 / 200

Category: Chemistry

Q.163 Which will need maximum energy to remove its one electron?

A. Na————– Na- +e

B. Ca——————-Ca– +e

C.K————K++ +e

D. C2+————– C3+ +e

149 / 200

Category: Chemistry

Q.162 Ifthe concentration of reactants in a chemical reaction is Unity the rate is called

A. Unit rate constant

C. Relative rate constant

B. Specific rate constant

D. Average rate constant

150 / 200

Category: Chemistry

Q.161 Which one of the following has positive value?

A. Heat lost by the system

B. Work done on the system

C. Work done by the system

D. Positive AE when heat lost by the system

151 / 200

Category: Chemistry

Q.160 Polymerization of ethene produces which of the followving polymer?

A. Polyvinyl

B. Polethyl

C. Polyethylene

D. Polyethoxy

152 / 200

Category: Chemistry

Q.159 An aromatic compound that can obtained from coal tar is

A. Benzene

B. Toluene

C. Phenol

D. Diphenylmethane

153 / 200

Category: Chemistry

Q.158 Reduction of alkyl halides in the presence of Zn and mineral acid Produces______________ ?

A. Alkenes

B. Alkanes

C. Alkynes

D. Alcohols

154 / 200

Category: Chemistry

Q.157 Shifting the position of equilibrium can be used to Increase

A. Temperature

B. Pressure

C. Yield of reaction

D. All of these

155 / 200

Category: Chemistry

Q.156 Which of the following centers are present in the carbonyl compounds?

A. Electrophilic

B. Nucleophilic

C. Electron deficient

D. All of these

156 / 200

Category: Chemistry

Q.155 In proteins the H bonding is present between

A.C-H

B. N-H

C.0-H

D. Cl-H

157 / 200

Category: Chemistry

Q.154 Fractions of Crude petroleum can be obtained by using

A. Destructive distillation

B. Fractional distillation

C. Vacuum distillation

D. Distillation

158 / 200

Category: Chemistry

Q.153 The properties of liquid crystals are intermediate b/w crystals and

A. Anisotropic liquids

B. Nematic liquids

C Isotropic liquids

D. Liquids

159 / 200

Category: Chemistry

Q.152 Enzymes are in nature.

A. Proteins

B. Carbohydrates

C. Lipids

D. Nucleic acid

160 / 200

Category: Chemistry

Q.151 An electron in an atom is completely described by its

A. 2 quantum numbers

B. Only one quantum number

C. Four quantum numbers

D. 3 quantum numbers

161 / 200

Category: Chemistry

Q.150 Who attributed the deviation of real gases from ideal behavior?

A. Boyle’s law

B. Charles’s law

C. Avogadro’s law

D. Van der Waals

162 / 200

Category: Chemistry

Q.149 There are just only a few stable compounds, formed by noble gases like

A. XeF2

B. XeOF2

C. Xe3

D. All of these

163 / 200

Category: Chemistry

Q.148 Acetaldehyde undergoes polymerization with conc.HasO and form?

A. Acetylides

B. Paraldehyde

C. Bakelite

D. Meta Acetaldehyde

164 / 200

Category: Chemistry

Q.147 Plasma “the fourth state of matter was identified by

A. Berzelius

B. William Crooks

C. Dalton

D. Rutherford

165 / 200

Category: Chemistry

Q.146 a liquid crystalline state exist between two temperatures I-e melting temperature and temperature

A. Boiling

B. Freezing

C. Clearing

D. All of these

166 / 200

Category: Chemistry

Q.145 Activator of phosphatase enzyme

A. Mn2+

B. Mg2-

C. Zn

D. None of these

167 / 200

Category: Chemistry

Q.144 Carboxylic acids form dimer due to

A. Small Sizes

B. Polarity of C-O bond

C.H-bonding

D. Dipole-Dipole interactions

168 / 200

Category: Chemistry

Q.143 Which one of the following benzene molecules have?

A. Two double bonds

B. Delocalized pi-electron charge

C. Three double bonds

D. One sigma bond

169 / 200

Category: Chemistry

Q.142 In the production of wrought iron Mg Si and P are removed in the form of

A. Oxides

B. Silicates

C. Slag

D. Carbonates

170 / 200

Category: Chemistry

Q.141 Cholesteryl Benzoate turns milky at

A. 123°C

B. 135°C

C.145C

D.179°C

171 / 200

Category: Chemistry

Q.140 Which of the following acid solution is used for the seasoning of food?

A. Butyric acid

B. Phthalic acid

C. Lactic acid

D. Acetic acid

172 / 200

Category: Chemistry

Q.139 Redox Reaction are actually transfer of

A. Electrons

B. Charges

C. Energy

D. Hydrogen lons

173 / 200

Category: Chemistry

Q.138 Instantaneous rate of reaction is the rate at any

A. At Equilibrium

B. One instant

C. Given Temperature

D. Given Pressure

174 / 200

Category: Chemistry

Q.137 SN reactions have which of the following specie formed and consumed in the reaction?

A. Transition state

B. Intemediate

C. Carbanion

D. Carbene

175 / 200

Category: Chemistry

Q.136 SN reactions are favored by which of the following reactions?

A. Water

B. Benzene

C. Carbon Tetrachloride

D. Carbon disulphide

176 / 200

Category: Chemistry

Q.135 If pressure and volume of a gas are Variable while temperature remains constant, this belongs to

A. Charles’s law

B. Boyle’s law

C. Avogadro’s law

D. Pascal’s law

177 / 200

Category: English

Ch00se the correct spelling of the word

A. Something

B. Somthing

C. Sumthing

D. Sumthin

178 / 200

Category: English

Q.200 Choose thr Correct sentence

A) We were best friends as children, and I have nol soon her since we graduated.

B) We were best friends as children, and I have not seen her since we graduated.

C) Although we were best friends as children, I have not seen her since we graduated.

D) We were best friends as children, but I have not seen her since we graduated.

179 / 200

Category: English

Q.199 Choose thr Correct sentence

A) I imagine how I shall celebrate my passing MDCAT exam; because I think I shall arrange a party for Tollows.

B) Imagine how I shall celebrate my passing MDCAT exam: I think I shall arrange a party lor follows.

C) I Imagine how I shall celebrate my passing MDCAT Exam: I think I shall arrange a party for follows.

D) I imagine how I shall celebrate my passing MDCAT exam, I think I shall arrange a party for fellows.

180 / 200

Category: English

Q.198 Choose thr Correct sentence

A) He was standing at the stop lost In his thoughts. A bus came and he got into li to reach his home.

B) He was standing at the stop lost in his thoughts a bus came and he got into it to reach his ho+I2me.

C) He was standing at the stop lost in his thoughts, a bus came and he got into it to reach his home.

D) He was standing at the bus lost in his thoughts: A bus came and he got into it to reach his home.

181 / 200

Category: English

Q.197 Choose thr Correct sentence

A) The teachers told the students that hard work pays off the students bacomo passionate to hoar this.

B) The teachers told the students that hard work pays oll, the students became passionate to hear this.

C) The Teachers told the students that hard work pays oll; but the students became passionale lo hear this.

D) The teachers told tho students that hard work pays oll, and the students becarle passionato lo hear this.

182 / 200

Category: English

Q.196 Choose the correct synonyms of Yearning

A) yawning

B) enduring

C) longing

D) prolonging

183 / 200

Category: English

Q.195 Choose the correct synonyms of Writhing

A) wrinkling

B) unwinding

C) wrestling

D) interlacing

184 / 200

Category: English

Q.194 In the world of today, not only is there not enough food, but each year there are many people eating

A.not only

B. not

C.but

D.eating

185 / 200

Category: English

Q.193 He was both complacent or vain while dealing with the people he was known to

A.or

B.while

C. with

D.to

186 / 200

Category: English

Q.192 Because the chain was plain and simple, so you knew that it was very valuable

A.plain

B. so

C.it

D. valuable

187 / 200

Category: English

Q.191 Although the evening air was no longer black and thick, but everything else was gone under the brown masses.

A.longer

B.but

C.was gone

D. masses

188 / 200

Category: English

Q.190 There were seven patches of bared soil where the new mealies are just showing

A. bared

B.where

C. are

189 / 200

Category: English

Q.189 If you did not dig it, before the king you will go and then you will be hanged

A.did not

B. Before

C. will go

D. hanged

190 / 200

Category: English

Q.188 As sooner as a mallet and a blanket were brought, he tied up the woman’s throat.

A. As sooner

B.a

C.were

D. tied up

191 / 200

Category: English

Q.186. Chatteris fell ill during the winter of 17 and Chips became Acting Head of Brookfield

A.fell

B.17

C.became

D.acting head

192 / 200

Category: English

Q.184.Choose thr Correct sentence

A) My daughter; Emaan Ali, is a doctor.

B) My daughter Emaan Ali, is a doctor.

C) My daughter; Emaan Ali is a doctor.

D) My daughter, Emaan Ali, is a doctor.

193 / 200

Category: English

Q.183.Choose thr Correct sentence

A) Australia’s men’s hockey’s team wins gold medals every year.

B) Australia’s men’s hockey team wins gold medals every year.

C) Australia men’s hockey team wins gold medals every year.

D) Australia’s men hockey team wins gold medals every year.

194 / 200

Category: English

Q.182.Choose thr Correct sentence

A) When he ran fast to catch the thief, he could not notice that his wallet also fell down.

B) When he ran last to catch the thief, and he could not notice that his wallet also fell down.

C) He ran fast to catch the thief, and he could not notice that his walloi also fall down.

D) When he ran fast to catch the thief; he could not notice that his wallet also fell down.

195 / 200

Category: Logical Reasoning

Q.205 Statement The availability of imported fruits has increased in the indigenous market and so the demand for indigenous fruits has been decreased I. To help the indigenous producers of fruits, the Government should impose high import duty on these fruits, even if these are not of good quality II. The fruit vendors should s+top selling imported fruits. So that the demand for indigenous fruits would be increased.

A. Both of them follows

B. None of them follows

C. Only I follow

D. Only II follows

196 / 200

Category: Logical Reasoning

Q.204 Statement: The availability of imported fruits has increased in the indigenous market and so the demand for indigenous fruits has been decreased. COURSE OF ACTION: 1.To help the indigenous producers of fruits, the Government should impose high import duty on these fruits, even if these are not of good quality. II. The fruit vendors should stop selling imported fruits. So that the demand for indigenous fruits would be increased.

A. Both of them follows

B. None of them follow

C. Only I follows

D. Only II follows

197 / 200

Category: Logical Reasoning

Q.201 Statement: L. The literacy rate in the district has been increasing for the last four years. II. The district administration has conducted extensive training programme for the workers involved in the literacy drive

A. Statement I is the cause and statement II is its effect.

B. Statement ll is the cause and statement I is its effect

C. Both the statements I and II are independent causes

D. Both the statements I and I are effects of some common cause

198 / 200

Category: Logical Reasoning

Q.10. Find the term which does not fit into the sequence given below:
G2T,J3R, M5P, P7N, S8L

(a) G2T

(b) S8I.

(c) M5P

(d) P7N

199 / 200

Category: Logical Reasoning

Q(8). Find the wrong number in the sequence: 3.8.15.24,34,48,63

(a) 15

(b) 24

c) 34

d) 48

200 / 200

Category: Logical Reasoning

(6) BZA, DYC, FXE, ?, JV1

(a) HUG

(b) HWG

(c) UHG

(d) WHG

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