Army Medical College

Glucagon is produced by:

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Your Answer:

Alpha cells Alpha cells
Beta cells Beta cells
Delta cells Delta cells
Gamma cells Gamma cells

Units of rate constant for 1st order reaction:

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Your Answer:

$mol \cdot dm^{-3}$ $mol \cdot dm^{-3}$
$mol^{-1} \cdot dm^3 \cdot s^{-1}$ $mol^{-1} \cdot dm^3 \cdot s^{-1}$
$dm^3 \cdot s^{-1}$ $dm^3 \cdot s^{-1}$
$s^{-1}$ $s^{-1}$

Aniline is purified by:

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Your Answer:

Crystallization Crystallization
Sublimation Sublimation
Filtration Filtration
Steam Distillation Steam Distillation

One gene - One enzyme hypothesis was proposed by:

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Your Answer:

Watson and Crick Watson and Crick
Jacob and Monod Jacob and Monod
Morgan Morgan
Beadle and Tatum Beadle and Tatum

Calcitonin is secreted by:

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Your Answer:

Parathyroid Parathyroid
Thyroid Thyroid
Adrenal Adrenal
Pancreas Pancreas

The coagulant used in water treatment is:

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Your Answer:

Lime Lime
Chlorine Chlorine
Soda Soda
Alum Alum

The anhydride of Perchloric acid ($HClO_4$) is:

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Your Answer:

$ClO_2$ $ClO_2$
$Cl_2O_7$ $Cl_2O_7$
$Cl_2O$ $Cl_2O$
$ClO_3$ $ClO_3$

Which cranial nerve is responsible for vision?

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Your Answer:

Olfactory Olfactory
Optic Optic
Vagus Vagus
Facial Facial

Crossing over occurs during:

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Your Answer:

Prophase I Prophase I
Metaphase I Metaphase I
Anaphase I Anaphase I
Telophase I Telophase I

Minamata disease was caused by:

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Your Answer:

Lead Lead
Cadmium Cadmium
Mercury Mercury
Arsenic Arsenic

The core of the cilia and flagella is composed of:

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Your Answer:

Microfilaments Microfilaments
Microtubules Microtubules
Intermediate filaments Intermediate filaments
Actin Actin

Net yield of ATP from complete oxidation of one Acetyl-CoA in Krebs cycle:

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Your Answer:

24 24
36 36
12 12
15 15

Which organelle is responsible for photorespiration?

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Your Answer:

Peroxisome Peroxisome
Lysosome Lysosome
Ribosome Ribosome
Vacuole Vacuole

Secretin hormone stimulates the pancreas to release:

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Your Answer:

Bicarbonate ions Bicarbonate ions
Enzymes Enzymes
Insulin Insulin
Glucagon Glucagon

The theory of "Use and Disuse of Organs" was proposed by:

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Your Answer:

Lamarck Lamarck
Darwin Darwin
Mendel Mendel
Wallace Wallace

Mass of one mole of electrons is:

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Your Answer:

1.008 mg 1.008 mg
0.55 mg 0.55 mg
5.5 mg 5.5 mg
9.1 mg 9.1 mg

Direct nitration of aniline is not easy because:

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Your Answer:

Ring breaks Ring breaks
$-NH_2$ oxidizes $-NH_2$ oxidizes
Steric hindrance Steric hindrance
Reaction is slow Reaction is slow

The molarity of pure water is approximately:

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Your Answer:

55.5 M 55.5 M
1 M 1 M
18 M 18 M
100 M 100 M

The optimum temperature for Taq Polymerase is:

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Your Answer:

$37^\circ C$ $37^\circ C$
$95^\circ C$ $95^\circ C$
$72^\circ C$ $72^\circ C$
$50^\circ C$ $50^\circ C$

Denaturation of alcohol makes it:

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Your Answer:

Unfit for drinking Unfit for drinking
More pure More pure
Sweet Sweet
Poisonous Poisonous

In DNA profiling, we analyze:

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Your Answer:

Exons Exons
Introns Introns
Genes Genes
VNTRs VNTRs

The coordination number of $Cs^+$ in CsCl crystal is:

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Your Answer:

4 4
6 6
12 12
8 8

Benzene structure was proposed by:

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Your Answer:

Wöhler Wöhler
Kekule Kekule
Dalton Dalton
Berzelius Berzelius

Oxidation of Isopropyl alcohol gives:

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Your Answer:

Propanal Propanal
Propanoic Acid Propanoic Acid
Acetone Acetone
Ether Ether

The cell wall of bacteria is made of peptidoglycan, which is a polymer of:

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Your Answer:

Lipids and sugars Lipids and sugars
Proteins only Proteins only
Sugars only Sugars only
Sugars and Amino acids Sugars and Amino acids

Which cells in the kidney produce Renin?

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Your Answer:

Podocytes Podocytes
Mesangial cells Mesangial cells
Juxtaglomerular cells Juxtaglomerular cells
Macula densa Macula densa

The bond angle in $NH_3$ is:

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Your Answer:

$109.5^\circ$ $109.5^\circ$
$120^\circ$ $120^\circ$
$107.5^\circ$ $107.5^\circ$
$104.5^\circ$ $104.5^\circ$

Which metal is extracted by Down's Cell?

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Your Answer:

Sodium Sodium
Aluminum Aluminum
Copper Copper
Iron Iron

During cement manufacturing, gypsum is added to:

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Your Answer:

Increase strength Increase strength
Add color Add color
Regulate setting time Regulate setting time
Reduce cost Reduce cost

Which ester has the smell of bananas?

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Your Answer:

Ethyl acetate Ethyl acetate
Octyl acetate Octyl acetate
Methyl butyrate Methyl butyrate
Isoamyl acetate Isoamyl acetate

Osmotic pressure is a:

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Your Answer:

Colligative property Colligative property
Intensive property Intensive property
Chemical property Chemical property
Periodic property Periodic property

The gap between the myelin sheath where axon is exposed is:

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Your Answer:

Synapse Synapse
Node of Ranvier Node of Ranvier
Dendrite Dendrite
Axon hillock Axon hillock

Which is an amphoteric oxide?

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Your Answer:

$Na_2O$ $Na_2O$
$SO_3$ $SO_3$
$Al_2O_3$ $Al_2O_3$
$MgO$ $MgO$

The enzyme used to cut DNA at specific sites is:

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Your Answer:

Restriction Endonuclease Restriction Endonuclease
Ligase Ligase
Polymerase Polymerase
Helicase Helicase

Renin-Angiotensin system regulates:

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Your Answer:

Blood Pressure Blood Pressure
Blood Sugar Blood Sugar
Digestion Digestion
Respiration Respiration

Acidity order:

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Your Answer:

Phenol > Ethanol Phenol > Ethanol
Ethanol > Phenol Ethanol > Phenol
Acetylene > Phenol Acetylene > Phenol
Ethanol > Water Ethanol > Water

Isocyanide test is given by:

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Your Answer:

Primary Amines Primary Amines
Secondary Amines Secondary Amines
Tertiary Amines Tertiary Amines
Amides Amides

The theory of "Use and Disuse of Organs" was proposed by:

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Your Answer:

Lamarck Lamarck
Darwin Darwin
Mendel Mendel
Wallace Wallace

Which of the following is an unsaturated fatty acid?

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Your Answer:

Oleic acid Oleic acid
Stearic acid Stearic acid
Palmitic acid Palmitic acid
Butyric acid Butyric acid

Plasmids are:

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Your Answer:

Extra-chromosomal DNA Extra-chromosomal DNA
Viral DNA Viral DNA
Mitochondrial DNA Mitochondrial DNA
Ribosomal RNA Ribosomal RNA

The distance between two base pairs in a DNA helix is:

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Your Answer:

3.4 nm 3.4 nm
0.34 nm 0.34 nm
2.0 nm 2.0 nm
34 nm 34 nm

Which indicator is used for strong acid-strong base titration?

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Your Answer:

Phenolphthalein Phenolphthalein
Methyl Orange Methyl Orange
Litmus Litmus
Any of these Any of these

ADH acts on which part of the nephron?

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Your Answer:

PCT PCT
Loop of Henle Loop of Henle
Glomerulus Glomerulus
Collecting Duct Collecting Duct

The maximum number of electrons in a subshell is given by:

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Your Answer:

$2(2l+1)$ $2(2l+1)$
$2n^2$ $2n^2$
$2l+1$ $2l+1$
$n^2$ $n^2$

Bacteria having a tuft of flagella at one end are called:

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Your Answer:

Monotrichous Monotrichous
Amphitrichous Amphitrichous
Peritrichous Peritrichous
Lophotrichous Lophotrichous

Down's syndrome is caused by trisomy of chromosome number:

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Your Answer:

18 18
21 21
13 13
23 23

Glucose is a:

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Your Answer:

Monosaccharide Monosaccharide
Disaccharide Disaccharide
Polysaccharide Polysaccharide
Protein Protein

The optimum temperature for Taq Polymerase is:

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Your Answer:

$37^\circ C$ $37^\circ C$
$95^\circ C$ $95^\circ C$
$72^\circ C$ $72^\circ C$
$50^\circ C$ $50^\circ C$

Blind spot in the eye has:

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Your Answer:

Only rods Only rods
No rods/cones No rods/cones
Only cones Only cones
High acuity High acuity

HIV attacks which cells?

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Your Answer:

B-cells B-cells
Helper T-cells Helper T-cells
RBCs RBCs
Platelets Platelets

Dehydrohalogenation follows which rule?

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Your Answer:

Markovnikov Markovnikov
Anti-Markovnikov Anti-Markovnikov
Saytzeff Saytzeff
Hofmann Hofmann

Which cell organelle is abundant in white blood cells?

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Your Answer:

Lysosomes Lysosomes
Ribosomes Ribosomes
Mitochondria Mitochondria
SER SER

The "Flight or Fight" response is mediated by the:

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Your Answer:

Parasympathetic NS Parasympathetic NS
Sympathetic NS Sympathetic NS
Somatic NS Somatic NS
Central NS Central NS

The hormone oxytocin is synthesized in:

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Your Answer:

Hypothalamus Hypothalamus
Posterior Pituitary Posterior Pituitary
Anterior Pituitary Anterior Pituitary
Ovaries Ovaries

Point mutation responsible for Sickle Cell Anemia:

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Your Answer:

Glu to Val Glu to Val
Val to Glu Val to Glu
Glu to Asp Glu to Asp
Val to Ser Val to Ser

Passive immunity involves injection of:

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Your Answer:

Antibodies Antibodies
Antigens Antigens
Vaccines Vaccines
Pathogens Pathogens

Hybridization of Xe in $XeF_4$ is:

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Your Answer:

$sp^3$ $sp^3$
$sp^3d$ $sp^3d$
$sp^3d^2$ $sp^3d^2$
$dsp^2$ $dsp^2$

Analogous organs have:

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Your Answer:

Same origin, same function Same origin, same function
Different origin, same function Different origin, same function
Same origin, different function Same origin, different function
Different origin, different function Different origin, different function

Tin Plating is used to prevent:

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Your Answer:

Corrosion only Corrosion only
Food Poisoning Food Poisoning
Rusting Rusting
Conductivity Conductivity

Common Ion Effect ______ the solubility of a salt.

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Your Answer:

Increases Increases
Decreases Decreases
Does not change Does not change
Doubles Doubles

The terminal electron acceptor in cyclic photophosphorylation is:

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Your Answer:

NADP NADP
P700 P700
Oxygen Oxygen
Water Water

During photolysis of water, electrons are donated to:

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Your Answer:

Photosystem I Photosystem I
Photosystem II Photosystem II
Ferredoxin Ferredoxin
NADP NADP

Aqua Regia dissolves gold due to formation of:

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Your Answer:

$AuCl_3$ $AuCl_3$
$Au(NO_3)_3$ $Au(NO_3)_3$
$AuCl$ $AuCl$
$H[AuCl_4]$ $H[AuCl_4]$

Peroxisomes are involved in:

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Your Answer:

Respiration Respiration
Digestion Digestion
Photorespiration Photorespiration
Protein synthesis Protein synthesis

The flame color of Barium is:

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Your Answer:

Crimson Red Crimson Red
Apple Green Apple Green
Brick Red Brick Red
Golden Yellow Golden Yellow

Antibodies are produced by:

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Your Answer:

T-cells T-cells
B-cells (Plasma cells) B-cells (Plasma cells)
Macrophages Macrophages
Neutrophils Neutrophils

Competitive inhibitors increase the:

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Your Answer:

Km Km
Vmax Vmax
Rate Rate
Product Product

Calcium binds to which protein during muscle contraction?

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Your Answer:

Tropomyosin Tropomyosin
Troponin Troponin
Actin Actin
Myosin Myosin

Zwitterion structure of Sulfanilic acid explains its:

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Your Answer:

Low MP Low MP
High MP High MP
Volatility Volatility
Acidity Acidity

The half-life of a first-order reaction is independent of:

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Your Answer:

Initial concentration Initial concentration
Temperature Temperature
Rate constant Rate constant
Time Time

The resolving power of an electron microscope is approx:

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Your Answer:

0.2 nm 0.2 nm
200 nm 200 nm
1 mm 1 mm
0.2 mm 0.2 mm

The floating ribs are pairs:

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Your Answer:

45839 45839
45938 45938
46001 46001
46002 46002

Paramagnetism is maximum in:

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Your Answer:

$Fe^{2+}$ $Fe^{2+}$
$Mn^{2+}$ $Mn^{2+}$
$Cr^{3+}$ $Cr^{3+}$
$Zn^{2+}$ $Zn^{2+}$

Autoimmune disease where body attacks joints is:

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Your Answer:

Osteoarthritis Osteoarthritis
Gout Gout
Rheumatoid Arthritis Rheumatoid Arthritis
Osteoporosis Osteoporosis

When Calcium Carbide reacts with water, it gives:

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Your Answer:

Acetylene Acetylene
Ethylene Ethylene
Methane Methane
Ethane Ethane

Evaluating Your Answers

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