MDCAT Mock Test 6

Created by Ali Durrani

MDCAT

MDCAT Mock Test 6

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Category: Logical Reasoning

Q.8 Electrode Potential is developed when a metal is dipped into

A. An Acid

B.A base

C. In its own ions

D. Water

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Category: Logical Reasoning

Q.207 What should come next to save, secure, protect,

A. Guard

B. Lock

C. Conserve

D. Humble

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Category: Logical Reasoning

Q.4 [Fe (CN)4]* is called as

A. Complex compound

B. Transition element ion

C. Anion

D. Complex anion

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Category: Logical Reasoning

Q.209 Statement I. Largenuiber of Primary Schools in the ruaf areas is run by only one teacher. II. There has been a hugdropout from Ure primary schools in rural areas.

A. statement I is the cause then 2 1s ts effect

B. siatement2the cause thenI is its effect.

C. Both statements are independent causes

D. Both of the statements are effect of independent causes

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Category: Logical Reasoning

Q.6 How many products of monosubstituted benzene are possible?

A. Two

B. One

C. Three

D. None of these

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Category: Logical Reasoning

Q.12 If Water is present on a cup placed on a table, what will be the system in this case?

A. Water

B. Water in cup

C. Whole table

D. All of these

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Category: Biology

Q.62 Which of the following is not a sterilization method for the control of bacteria?

A. Radiation

B. Filtration

C. High temperature

D. Antiseptics

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Category: Biology

Q.14 Aschelminthes is also known as which of the following?

A. Protozoans

B. Eumetazoa

C. Protoctist ancestors

D. Nematodes

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Category: Biology

Q.6 Outbreeding increases which of the following?

A. Homozygosity

B. Heterozygosity

C. Gene linkage

D Gene pool

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Category: Biology

Q.9 A surfactant is essential for:

A. Efficient gas exchange

B. Maintaining structural integrity of alveoli

C. Both A and B

D. None of these

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Category: Biology

Q.21 The spent energy in the form pf ADP is regeneratèd by mitochondria into which of the following forni?

A. AMP

B.ATP

C.ADP

D.All of these

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Category: Biology

Q.41 The stretch reflex is also known as:

A. Stretch reflex

B. Spinal reflex

C. Golgi tendon reflex

D. Myotatic reflex

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Category: Biology

Q4 The branch that deals with the study of viruses fs known as?

A.. Entomology

B. Bacteriology

Virology

D. Epidemiology

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Category: Biology

Q.61 Which of the following is a compensation point?

B. Photosynthesis and respiration occur at same rate. So there is not net exchange of gases between atmosphere and plants

C. Rate of photosynthesis increases, so do the O2 production, with a net release oxygen coupled with the uptake of CO2

D. Rate of respiration becomes more than rate of photosynthesis. 16 Net yield of H-O in Photosynthesis is

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Category: Biology

Q.18 The internal buds are known as which of the following?

A. Spicules

B. Choanocytes

C. Gemmules

D. Both A and B

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Category: Biology

Q.64 According to the induced fit model. What happens when an enzyme-substrate omplex is formed?

A. The contact between the substrate and the enzyme causes a change in the shape of the active site

B. The shape of the substrate and the shape of the active site are complementary to each other.

C. The substrate fits into active site and forms bonds with the amino acids at the active site.

D. All of the above.

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Category: Biology

Q.23 Reflex action is type of

A. Voluntary action

B. Involuntary action

C. Saltatory conduction

D. None of these

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Category: Biology

Q.51 The water splitting step of photosynthesis is called?

A Hydrolysis

B. Chemiosmosis

C. Photolysis

D. Photosynthesis

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Category: Biology

Q.60 Which of the following statements correctly describes how the host cell membrane is changed by viral replication?

A. Pores develop.

B. Glycocalyx layer is formed.

C. Membrane is resynthesized

D. Viral proteins are acquired

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Category: Biology

Q.53 Which of these is the best treatment for osteoarthritis?

A. Bed rest

B. Exercise

C. Cast

D. None of these

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Category: Biology

Q.10 Mating between relatives is called which of the following?

A. Ex breeding

B. Breeding

C. Inbreeding

D. Outbreeding

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Category: Biology

Q43 Which cells produce oogonia in ovary?

A. Stromal cells

B. Epithelial cells

C. Germ cells

D. Theca cells

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Category: Biology

Q.31 The movement of minerals or water via extracellular pathway is known as:

A. Symplast

B. Apoplast

C. Vascular

D. None of these

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Category: Biology

Q.39 If a cross section of a sarcomere is seen, each myosin is surrounded by how many actin molecules?

A.5

B.6

C.7

D. 8

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Category: Biology

Q.38 Which of the following best describes a coenzyme?

A. Covalently bonded non-protein part of an enzyme

B. Cofactor consists of metal ions

C. Loosely bonded non-protein part of an enzyme

D. Both A and B

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Category: Biology

Q44 Study of fossils is called

A. Mammalogy

B. Paleontology

C. Herpetology

D. Ornithology

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Category: Biology

Q.34 What molecule would you not expect to find in a refrovirus

A. Adenine

B. Thymine

C. Uracil

D Guanine

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Category: Biology

Q.5 Which statement is incorrect?

A. In short day plants red light prevents flowering

B. In long day plants for red light promotes flowering

C. Leaf unrolling occurs in grasses

D. Henbane is a short-day plant

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Category: Biology

Q.8 The neurons responsible for everything various external stimuli that come from the environment into corresponding internal stimuli is called:

A. Motor nerve

B. Sensory nerve

C. Both A and B

D. Mixed nerve

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Category: Biology

Q.27 During which of the following levels of biological organization can natural selection occur?

A. Gene

B. Individual

C. Group

D. All of these

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Category: Biology

Q.30 The structure of which bacteriophages resembles a tadpole?

A. T2

B. T4

C. Both A and B

D. None

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Category: Biology

Q.54 Which of the following elements are not found in carbohydrates?

A.C

B.H

C.N

D. O

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Category: Biology

Q.52 A chromosome in which a centromere stays at one end is called?

A. Metacentric

Telocentric

C. Acrocentric

D. All of these

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Category: Biology

Q.22 What are T Cells and their rolelin IHV infection?

A. A type lymphocytes

B. Present in blood and work as detence systein

C.They kill the ioreign invader

D. All of these

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Category: Biology

Q.25 For respiratory metabolism, bacterial cell membrane contains

A. Proteins

B. Lipids

C.Enzymes

D. Chemicals

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Category: Biology

Q37 An entire skeletal muscle is surrounded by

A. Sarcolemma

B. Epimysium

C. Both A and B

D. Microtubules

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Category: Biology

Q.46 Which part of the brain connects the cerebrum with the spinal cord?

A. Forebrain

B. Cerebrum

C. Cerebellum

D. Brainstem

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Category: Biology

Q42 The process that secretes insulin from the cell is called?

A. Endocytosis

B. Pinocytosis

C. Phagocytosis

D. Exocytosis

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Category: Biology

Q.17 Final acceptor of electrons in respiratory chain is?

A. NADH

B. Cytochrome a3

C. Water

D. Oxygen

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Category: Biology

Q.12 An enzyme without its cofactor is called.

A. Coenzyme

B. Apoenzyme

C. Holoenzyme

D. Proenzyme

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Category: Biology

Q.59 The last common ancestor of humans is known to be which of the following?

A. Homo neanderthalensis

B. Lemuroidea

Dromaeosaunas

D. Pan troglodytes

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Category: Biology

Q48 Which statement is incorrect about Lock and Key Model?

A. Specific enzyme can transform only a specific substrate

B. Active site of an enzyme is a non-flexible structure

C. Active site does not change before during or even after the reaction

D. It explains the mechanism of every chemical reaction

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Category: Biology

Q.66 Which type of sensory structures carrying the touch sensations are present in papillae extending into ridges of the finger tips?

A. Hair end organs

B. Pacinian corpuscles

C. Meissner’s Corpuscles

D. All of these

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Category: Biology

Q40 How is pyruvate produced in anaerobic conditions?

A. Alcoholic fermentation

B. Lactic acid fermentation

C. Respiration

D. Both A and B

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Category: Biology

Q.68 Enzymes are globular proteins because

A. They have a primary structure.

B. They have a secondary structure.

C They have a tertiary structure,

D. All of the above.

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Category: Biology

Q.65 How are flat worms not similar to round worms?

A. They are both acoelomates

B. They are both triploblastic.

C. They both show bilateral symmetry.

D. They are both worms.

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Category: Biology

Q.17 Final acceptor of electrons in respiratory chain is?

A. NADH

B. Cytochrome a3

C. Water

D. Oxygen

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Category: Biology

Q.15 Genes that affect growth rate in humans influencing both weight and height are?

A. Codominant

B. Epistasis

C. Polygene

D. Pleiotrop

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Category: Biology

Q.36 The retinal is important for___________ of human

A. Vision

B. Metabolism

C. Muscle contraction

D. Muscle twitch

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Category: Biology

Q.49 Another name for the sex cell is:

A. Hormone

B. Gamete

C. Zygote

D. Testicle

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Category: Biology

Q.67 The animals which belong to division Radiata is/are?

A. Triploblastic

B. Diploblastic

C. Radio blast

D. All of these

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Category: Biology

Q.26 Most carbon dioxide is transported in the form of:

A. Carboxyhemoglobin

B. Lipids

C. Bicarbonate ions

D. Chemicals

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Category: Biology

Q3 These animals show radial symmetry.

A. Chordates

B. Annelids

C. Cnidarian

D Round worms

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Category: Biology

Q45 During birth which of following act as birth canal?

A. Oviduct

B. Ovary

C. Uterus

D. Vagina

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Category: Biology

Q.50 The cluster of pouches opened from alveolar ducts is known as

A. Bronchi

B. Bronchioles

C. Pharynx duct

D. Alveoli

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Category: Biology

Q.11 In cocci, three plane division result in formation of sarcine which is a

A. Cuba of 8 cocci

B. Square of 4 cocci

C. Irregular structure

D. Triangular 6 cocci

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Category: Biology

Q.29 Fluid secreted by Sertoli cells provides sperms with which of the following ?

A. Liquid medium

B. Protection

C. Nourishment

D. All of these

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Category: Biology

Q.16 Example of convergent evolution is

A. Forelimbs of man and bat

B. Wings of birds and insects

C. Darwin’s finches

D. All of above

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Category: Biology

Q.33 The researcher notices that round seeds occur maturely in the environment.Based solely on this information, what can there searcher conclude about the round phenotype?

A. It is dominant

B. It is recessive

C. It is wild type

D. Both a and b

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Category: Biology

Q.57 Secondary oocyte is ovulated from:

A. Corpus luteum

B. Graafian follicle

C. Primary follicle

D. Germinal epithelium

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Category: Biology

Q.28 Flame cells in Planaria constitute the:

A. Digestive system

B. Reproductive system

C. Respiratory system

D. Excretory system

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Category: Biology

Q.7 A neuron located in the cential hervous system that projects its axon outside the CNS is called:

A. Motor nerve

B. Sensory nerve

C. Both A and B

D. Mixed nerve

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Category: Biology

Q.20 Which of the following bacteria possesses a sphericatshape?

A. Bacillus anthracis

B. Escherichia coli

C. Spirillum minus

D. Staphylococeus aureus

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Category: Biology

Q.47 Which of the following are believed to have common origin with annelids?

A. Nematodes

B. Arthropods

C. Molluses

D. None of these

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Category: Biology

Q.13 Cellulose is the major component of?

A. Primary wall

B. Secondary wall

C. Middle lamella

D. All of these

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Category: Biology

Q.58 Acording to the law of independent assortment, what is the possible number of combinations that chromosomes can assort to independently in the gamete?

A. 16,777,216

B. 2,048

C. 4,194,304

D. 8.388.608

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Category: Biology

Q.19 Darwins theory mainly focuses o

A. Origin of life

B. How Orgais extinct

C. How new Species arise

D How organism form

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Category: Biology

Q.24 When was the bacteriopbage phenomena rediscovered by D’Herelle?

A. 1918

B. 1917

C. 1920

D. 1990

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Category: Biology

Q.56 Which of the following is nota viral disease?

A. Smallpox

Mumps

C. Tetanus

D. Cowpox

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Category: Biology

Q.55 The type of bronchitis that causes no permanent damage to the lungs and lasts for two weeks is known as

A. Acute bronchitis

B. Chronic bronchitis

C. Coastal bronchitis

D. Intercostal bronchitis

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Category: Biology

Q.63 Which hormone is produced mainly by corpus luteum in she ovary following ovulation?

A. Progesterone

B. FSH

C.LH

D. Chorionic gonadotrophic hormone

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Category: Biology

Q.35 Ribose is a monosaccharide constituent of man

A. Enzymes

B. Coenzymes

C. Vitamin

D. Antibiotics

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Category: Biology

Q.54 Which of the following elements are not found in carbohydrates?

A.C

B.H

C.N

D. O

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Category: Biology

Q.32 Which one of the following is not a feature of the nervous system of Planaria?

A. Neurons are differentiated into sensory, motor and associative neurons.

B. Nerves are present.

C. No specialized sensory organs are present

D. All of the above.

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Category: Chemistry

AgCI is in water.

Partially soluble b)

Completely soluble

Not soluble

None of these

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Category: Chemistry

Q.39 Which one of the following enthalpy change is always exothermic in nature?

A. Enthalpy of combustion

B. Enthalpy of solution

C. Enthalpy of formation

D. Enthalpy of atomization

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Category: Chemistry

Q.7 Which of the following forces have no relation with valence electrons?

A. Ionic Bond

B. Chemical bond

C. Intermolecular forces

D. Intramolecular forces

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Category: Chemistry

Q.23 What is the color of silver acetylide, AgC=CAg?

A. Red

B. White

C. Brown

D. Pinkish

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Category: Chemistry

Q.29 Which one of them is used as an automobile anti free

A. Ethanol

B. ethene

C. ethylene glycol

D. propene

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Category: Chemistry

Q.15 In NaCl crystal, chloride ions present at the face center are distributed in

A. One Unit Cell

B. 8 Unit cells

C. 4 Unit cells

D. 2 Unit cells

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Category: Chemistry

Which enzyme is used when sugar In molasses is converted to glucose and fructose?

Amylase

Protease

Sucrase

None of these

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Category: Chemistry

Q.36 How will the conditions be changed to prevent the volume of the given gas from expanding when its mass is increased

A. Temperature and pressure increased

B. Temperature is lowered and pressure decreased

C. Temperature and pressure increasediiiiiiiiii

D. Temperature is lowered and pressure increased

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Category: Chemistry

Q.21 SN reaction is a_______________?

A. Multistep reaction

B. Two step reactions

C. Concerted reaction

D. 3 step reaction

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Category: Chemistry

Q.24 Non polar covalent bond is formed b/w

A. homonuclear diatomic molecules

B. heteronuclear diatomic molecules

C. similar atoms

D. dissimilar atoms

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Category: Chemistry

Q.40 Octane number of n-heptane is____________?

A. 0

B. 100

C.40

D. 98

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Category: Chemistry

Q.9 The unit of electronegative is

A. Joule

B. Kilojoules

C. watt

D. no unit

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Category: Chemistry

Which of the following atoms would be diamagnetic?

Ne

O

Al

K

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Category: Chemistry

Q.2 an element or its compound is first _________to get its _______spectrum by spectrometer

A. freeze, continuous

B. A freezed. line

C. volatilized., line

D. volatilized. continuous

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Category: Chemistry

Hydrolysis accompanied by bond cleavage is called

Hydrogenation

Hydration

Partial hydration

Hydrogenolysis

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Category: Chemistry

Q.31 In case of HOCH2CH2CH2COOH, from were numbering started?

A. OH group Is give number

B. Carboxylic acid is given Number I position

C. COOH is given number 3 position

D.COOH is given number 4 position

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Category: Chemistry

Hydration energy of sodium Ion Is:

321 Kj/mol

406 Kj/mol

1032 kJ/mil

940 Kj/mol

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Category: Chemistry

Q.30 How meta directing groups affect the Electrophilic substitution of benzene ring?

A. Increase electron density at ortho para position

B. Decrease electron density at ortho and para positions

C. Make benzene less reactive

D. Both B and C

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Category: Chemistry

Q.34 Which of these have a positive value of enthalpy?

A. Combustion

B. Neutralization

C. Atomization

D. All of these

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Category: Chemistry

Q.32 vapor pressure is measured by calculating difference in liquid pressure and

A mercury pressure

B. glass pressure

C. atmospheric pressure

D. container pressure

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Category: Chemistry

Q.11 Acetic acid is soluble in;

A. Water, Alcohol, Ether

B. HCL, HB, HI

C. Bromine water

D. All of these

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Category: Chemistry

When was electron discovered?

1897

1909

1896

None of these

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Category: Chemistry

Q.35 Instantaneous dipole is produced when

A. Two polar molecules come closer

B. Two non-polar molecules comes closer

C. Polar and nonpolar molecule comes closer

D. All of these

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Category: Chemistry

Vinyl bromide can be prepared from:

Hydroxyl bromide

Ethylene dibromide

Vicinal brornida

All of these

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Category: Chemistry

CH3CN + NCI > A + B in presence of water in the above reaction A and B are

Acetic acid and methyl chloride

Acetic acid and ammonia

Acetic acid and ammonium chloride

Acetic acid and acid amide

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Category: Chemistry

Q.28 Fuels with higher octane number can be produce by_________?

A. Cracking

B. Reforming

C. Decomposition

D. Isomerisation

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Category: Chemistry

Which carbohydrate Is soluble in water?

Cellulose

Starch

Amylase

Fructose

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Category: Chemistry

Q.14 Kinetic Energy is the sum of

A. Rotational & Vibrational

B. Translation & Rotational

C. Rotational, Vibrational and Translation

D. All of these

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Category: Chemistry

Q.38 Water is considered as a Universal solvent because of which properties?

A. Polar nature of water

B. H-bonding

C. Electronegativity difference

D. All are correct

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Category: Chemistry

Q.16 Actual yield is always less than theoretical yield due to

A. Operational losses

B. reaction reversibility

C. side reaction

D. all of these

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Category: Chemistry

Q.25 In a pressure cooker, boiling point of water is_

A. Raised than the normal

B. Lower than the normal

C. Lower than the freezing point

D. All of these

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Category: Chemistry

liquid whose thermodynamic property do not de ti)upon intermolecular forces Is

Mercury

None of these

Ethylene glycol

Acetone pond

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Category: Chemistry

Q.17 Legumine & collagen protein are present in which type of body tissues:

A. Cardiac

B. Epithelial

C. Connective

D. Epidermis

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Category: Chemistry

Q.27 The temperature at which one crystalline form changes to other is called _____________temperature

A. critical

B. absolute

C. transition

D. none of these

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Category: Chemistry

Q.19 Graphite has a structural similarity with

A. B2H6

B. B4C

C.B

D. BN

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Category: Chemistry

Q.22 The unhybridized p orbitals of benzene are present in the form of ?

A. Between the C-C bonds of benzene

B. Above and below the carbon bonds

C. In the form of cloud above and below the benzene ring

D. None of these

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Category: Chemistry

The indicator is a colored compound?

Organic

Inorganic

Acidic

Basic

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Category: Chemistry

The reaction between borohydride

Nucleophilic substitution

Electrophilic substitution

Electrophilic addition

d) Both a and c

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Category: Chemistry

Q.5 Allotropes are of same

A. Compounds

B. Molecules

C. Ions

D. Element

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Category: Chemistry

Q.1 Suppression of ionization means

A. Decreasing Ionization

B. Increasing ionization

C. Maintaining ionization

D. None of these

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Category: Chemistry

Q.124 Ethyne has which hybridization?

A. sp3

B.sp2

C. sp

D.sp^2d

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Category: Chemistry

Q3___________is a macromolecule found in bold?

A. Hemoglobin

B. Plasma

C. creatinine

D. plasmids

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Category: Chemistry

Q.13 Alkali metals group lies in_________?

A.d-block

B. s-bloc

C.f- block

D.P-block

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Category: Chemistry

Q.121 Ka (Cu(CN)4) which one is correct

A. Potassium tetra cyano recuperate

B. Coordination numbers 2

C The ligand is positively charged

D.Central atom is present in the avionic sphere

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Category: Chemistry

Q.122 An orbital can accommodate at the most______________electrons

A.2

B.14

C. 1

D. 6

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Category: Chemistry

Water in solution acts as?

Acid

Base

May be acid or base

None of these

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Category: Chemistry

Bond energy of C-CI in kJ/moles Is:

More than that of C-F

Less than C-Br

More than that of C-Br but less than C-I

More than that of C-Br and C-I

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Category: Chemistry

Q.26 A polymer called Bakelite is formed by reaction of phenol with

A. hydrogen

B. ethers

C. carboxylic acid

D. formaldehyde

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Category: Chemistry

Q.18 The increase in size of an anion is due to increase n repulsion of

A. electron-proton

B. electron-electron

C. electron-nucleus

D. proton-nucleus

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Category: Chemistry

Q.37 In Lucas test, tertiary alcohols form oily layer of alkyl halid ________?

A. On heating

B. Immediately

C. After 5-10 minutes

D. After 20 minutes

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Category: Chemistry

Q.20 The order of reaction for which hall-life is inversely proportional to the concentration of reaction is

A. Second Order

B. Zero Order

C. First Order

D. Third Order

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Category: Chemistry

Formula of hydrogen peroxide

HO

H202

H02

H302

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Category: Chemistry

Q.33 Rate constant is denoted by?

A. k

B. kr

C. kv

D.ks

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Category: Chemistry

Q.123 Which of the following is succinic acid?

A. Ethanoic acid

B. Hexane dioic acid

C Butane dioic acid

D. Propanoic acid

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Category: English

Q.195 His bag was quite so I easily carried it to his room.

A. Cheap

B. Heavy

C.Light

D. Short

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Category: English

Q.184 Choose the correct sentence.

A. ali lives in dubai, the United arab emirates.

B. Ali lives in dubai, the united arab emirates.

C.Ali lives in Dubai, in the United Arab Emirates

D. Ali lives in Dubai, the United Arab Emirates.

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Category: English

Q.191 Dunce

A. Block headed

B. Smart

C. Wise

D. Agile

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Category: English

Q.185 One bad exam result and all her dreams were_______________

A. fled

B. Shattered

C. Fulfilled

D. Floating

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Category: English

Q.197 As an officer he not only was competent but also honest.

A. As an officer

B. he not only was

C. competent but

D. also honest.

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Category: English

Q.198 The book is about _______________man who lives on _________small island.

A. a…..an

B. a…a

C. a..the

D. an…a

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Category: English

Q.183 What is your name?

A. Declarative

B. Imperative

C. Interrogative

D. Exclamatory

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Category: English

Q.187 Identify the tense used in the given sentence. “Everyone shall be reaching by tomorrow.”

A. Present

B. Past

C. Future

D. None

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Category: English

Q.196 I advised her _drink it.

A. Don’t

B. not to

C. to not

D. to don’t

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Category: English

Q.182 Gold is _______________precious metal.

A.a

B. an

C. the

D. no article

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Category: English

Q.193 Choose the correct spelling of the word

A. Discribe

B. Deskribe

C. Describe

D. Diskribe

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Category: English

Q.200 If mountains are.______________ of trees, rains will soon wash the fertile topsoil down the slope to end as useless silt below.

A. Deforested

B. Afforested

B. Stripped

D. Shortage

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Category: English

Q.188 Now the time was to escape and he opened the window and jumped out,

A. Now the time was

B. to escape

C. and he opened the window

D and jumped a

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Category: English

Q.190 Each and every member___________ to vote.

A. has

B .have

C. having

D. are

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Category: English

Q.189 I have two sisters.

A. Declarative

B. imperative

C. Interrogative

D. Exclamatory

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Category: English

Q.199 Sam _________________in the garden now.

A. digs

B. digging

C. is diging

D. is digging

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Category: English

Q.194 One of the students said professor is late today.”

A. A

B. An

C. The

D. no article

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Category: English

Q.192 I have

A. I’ve

B. Ive

C I’hve

D. Ih’ve

147 / 200

Category: Physics

Q.144 In mass-spring system, which of the following does not depend on the initial displacement of the spring?

A. Maximum kinetic energy of the mass

B. Average speed of the mass

C. Total energy of the mass

D. Angular frequency of the oscillation

148 / 200

Category: Physics

Q.171 If an A.C voltage rms value of 10 volt is applied as input of half wave rectifier, then the rms voltage value of D.C output will be

A. 10V

B. 10.3V

C. 10.7V

D.9.3V

149 / 200

Category: Physics

What happens to bulk of potential energy of a glass that falls from a table and breaks

Converted into kinetic energy

Wasted In air

Converted into sound

Consumed in breaking of glass

150 / 200

Category: Physics

Q.175 Half wave voltage multiplier can provide any degree of voltage multiplication by cascading diodes and capacitors.

A. Any doubler

B. Any tripler

C .Any multiplication

D. None of them

151 / 200

Category: Physics

Q.168 As a result of interference, energy

A. Is transmitted and retlected

B.. Is lost

C.Remains unchanged as a whole but is redistributed

D. Is gained

152 / 200

Category: Physics

Q.163 When the direction of the foree and displacement are opposite, wórk done is

A. Negative

B. Positive

C. Zero

D. None of these

153 / 200

Category: Physics

Q.146 A circuit that adds positive or negative de voltage to an input sine wave is called

A. Clamper

B. Clipper

C. Diode clamp

D. Lintier

154 / 200

Category: Physics

Which of the following has greater wavelength than red light?

Infrared

X-rays

UV

Gamma rays

155 / 200

Category: Physics

Q.180 The ratio of mass of electron to neutron is

A. 1

B. 1200

C. 1300

D. None of these

156 / 200

Category: Physics

Q.172 A wire has a resistance of 5.5 W at 190C and 21.5 W at 2000C. Find the temperature coefficient of resistivity (a) of the material.

A. 0.016 per degree Celsius

B. 32 per degree Celsius

C.0.018 per degree Celsius

D.0.00106 per degree Celsius

157 / 200

Category: Physics

Q.159 If velocity of charged particle and magnetic field are at a fix angle not 90 then path will be

A. Circular

B. Straight line

C. Spherical

D. Helical

158 / 200

Category: Physics

Q.178 1s it possible to separate north pole only from the bar magnet?

A. Yes

B. No

C. In some cases it is possible

D. None of these

159 / 200

Category: Physics

The time duration between two consecutive heartbeats of a normal human being is

8×10^-1 s

1s

10^-1s

0.5s

160 / 200

Category: Physics

1m = inches

12

24

36

39

161 / 200

Category: Physics

Q.164 An angular velocity of 60 revolutions per minute is thesame as:

A. 1/2p rad

B. 120p rad/s

C.30p rad/s

D. 2p rad/s

162 / 200

Category: Physics

Which is most sensitive to human eye?

Red

Blue

Green

Yellow

163 / 200

Category: Physics

Forces In nature always occur in

Triplet

Quadrupled

Isolation

Pair

164 / 200

Category: Physics

Q.162 The frequency of the incident photon after compton effcct voil:

A. Remain constant

B. Increases

C. Decreases

D.None of these

165 / 200

Category: Physics

In hot day white clothes are worn because they are good

Absorbers

Emitters

Reflectors

None of these

166 / 200

Category: Physics

Q.143 The flux is the region where magnetic field

A. Changes direction

B. Changes strength

C. Changes polarity

D. No change occur

167 / 200

Category: Physics

Q.167 Mutual inductance Jbas a practical role in performance of

A. AC generator

B. Radio choke

C. DC generator

D. Transformer

168 / 200

Category: Physics

Center of gravity of a cup Iles

At the handle of cup

In space Inside the cup

Outside cup d)

On the surface of cup

169 / 200

Category: Physics

Q.147 Why x-rays are used in crystallography

A. To prevent interference

B. To perform diffraction

C. To perform interference

D. To perform diffraction

170 / 200

Category: Physics

Q.142 Three charges +3q+q and Q are placed on a straight line with equal separation. In order to make the net force on q to be zero, the value or Q will be

A. 3q

B .2q

C. 4q

D. 5q

171 / 200

Category: Physics

A red colored cloth red light

Transmit

Reflect

Refract

Absorbs

172 / 200

Category: Physics

Q.169 If a wheel of radius r turns through an angle of 30°, then the distance through which any point on its rim moves is?

A.p/3r

B. pr/6

C. p/30r

D. p/180r

173 / 200

Category: Physics

In modern day electrical arrangements, which of the following is connected in series with the others?

Fan

Bulb

Tube Lights

None of these

174 / 200

Category: Physics

Q.149 In adiabatic expansion

A. )U=0

B. )U= negative

C. )U= negative

D. )W=0

175 / 200

Category: Physics

Which material is used as common conductor In daily use?

Copper

Aluminium

Steel

Nickle

176 / 200

Category: Physics

Q.160 All of the following are equivalent to watt except

A. (Amperes)^2 ohm

B. Joules/sec

C. Amperes x vols

D. Amperes/volt

177 / 200

Category: Physics

Q.170 The phase angle between two points in a medium is I the distance between these points is 20 cm, then wavelength of the wave is?

A. 8/15 m

B. 15/8 m

C. 8/15 cm

D. 15/8 cm

178 / 200

Category: Physics

Q.156 When an object moves on a circular path, then:

A. Its displacement is constant

B. Its displacement changes due to change in distance

C. Its displacement changes due to change in direction of motion

D. Its displacement is always zero

179 / 200

Category: Physics

Q.151 The output voltage of a rectifier is

A. Smooth

B. Pulsating

C. Perfectly direct

D. Alternating

180 / 200

Category: Physics

Q.166 For which angle between arealand magnetic field, flux is maximum

A.O degree

B. 90 degreee

C. 45 degree

D. 60 degree

181 / 200

Category: Physics

1 pascal = atm

9.87 10^-6

0.00075

101325

None of these

182 / 200

Category: Physics

Q.141 The angular momentum of photon is

A. Infinite

B. Zero

C. Negative

D. Still not found

183 / 200

Category: Physics

Q.155 The value of permittivity of material, other than air or space is:…

A Greater than unity

B. Less than unity

C. Equal to unity

D. Zero

184 / 200

Category: Physics

Alpha scattering experiment was conducted In which year? •

1908

1922

1925

1911

185 / 200

Category: Physics

Q.152 Which isotope has highest momentum when moving with same velocity

A. Protium

B. Deuterium

C. Tritium

D. All of these have same momentum

186 / 200

Category: Physics

Q.148 Which of the following can have negative temperature of coefficient?

A. Compounds of silver

B. Liquid metals

C. Metallic alloys

D. Electrolytes

187 / 200

Category: Physics

Q.165 A transformer steps down from 200) to 50 V:It has secondary winding = 40 curns then windings in primary coil are

A 150

B. 160

C.170

D. 200

188 / 200

Category: Physics

Q.174 Vector is quantity which

A. Has direction

B. Has magnitude

C. Follow rules of vector addition

D. Both direction and magnitude

189 / 200

Category: Physics

Q.161 Which of the following phenomenon proves that light waves are transverse Waves?

A. Polarization

B. Refracuoution

C. Interterence

D.Ditra

190 / 200

Category: Physics

Q.177 An ideal gas at 15.5C and a pressure of 1.72x 10^5 Pa occupies a volume of 2.81 m3. Haw many moles of gas are present?

A. 2.0 mol

B. 21mol

C. 201 mol

D 2001 mol

191 / 200

Category: Physics

Q.142 Three charges +3q+q and Q are placed on a straight line with equal separation. In order to make the net force on q to be zero, the value or Q will be

A. 3q

B .2q

C. 4q

D. 5q

192 / 200

Category: Physics

Value of acceleration due to gravity on mars?

4.92

9.84

3.72

3.53

193 / 200

Category: Physics

Q.145 Current that fluctuates periodically with time is

A. DC current

B. BC current

C.AC current

D. Magnetic current

194 / 200

Category: Physics

Q.153 If two photons interact in same direction what will change

A. Mass

B. Energy

C. Intensity

D. None of these

195 / 200

Category: Physics

Which is evaporating cooler?

Air conditioner

Desert cooler

Room cooler

Projector

196 / 200

Category: Physics

Q.154 Why should a resistance be introduced in a circuit in series deliberately?

A. To increase current

B. To decrease current

C. To control current

D. Just to give a good look to the circuit

197 / 200

Category: Physics

Q.157 Acceleration of a moving car when brakes are applied is

A. Negative

B.Zero

C. Positive

D.Infinite

198 / 200

Category: Physics

Q.158 The clouds are formed when waterheat

A. Absorb

B. Release

C. First absorb than release

D. First release than absorb

199 / 200

Category: Physics

Q.150 Bones image is shown on X-ray photograph because x-rays can be

A Transmitted through bones

B. Reflected by bones

C. Absorbed by bones

D. Scattered by bones

200 / 200

Category: Physics

Q.173 ________________are such nuclei of an element that have the same mass number A, but have different charge number Z

A. Isotopes

B. Isobars

C. Isomers

D. Isotherms

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