MDCAT Mock Test 17 - Online MCQ Exam

Punctuated equilibrium suggests evolution occurs:

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Your Answer:

Constantly and slowly Constantly and slowly
In rapid bursts and stasis periods In rapid bursts and stasis periods
Never Never
Backwards Backwards

Which of the following is a 'classical' physics concept that fails at the microscopic level?

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Your Answer:

Conservation of Energy Conservation of Energy
Superposition Superposition
Determinism/Definite Trajectory Determinism/Definite Trajectory
Wave propagation Wave propagation

Habitually silent or talking little

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Your Answer:

Servile Servile
Unequivocal Unequivocal
Taciturn Taciturn
Synoptic Synoptic

You haven't had your lunch yet, ...... you?

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Your Answer:

are are
aren't aren't
have have
haven't haven't

In a filament-type bulb, a lot of electric energy is wasted in the form of:

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Your Answer:

magnetism magnetism
sound sound
light light
heat heat

Animalia are_________?

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Your Answer:

motile motile
non motile non motile
constant constant
sessile sessile

The Phrase/ idiom “See eye to eye” means:

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Your Answer:

Have a same look Have a same look
Have a same countenance Have a same countenance
Have a same opinion Have a same opinion
Have a same eyes colour Have a same eyes colour

The plant groups that have motile sperms and sperms swim to the egg cell is called:

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Your Answer:

adventitious roots and shoots adventitious roots and shoots
ferns and mosses ferns and mosses
seed plants seed plants
corals and bacillus corals and bacillus

The counter-current mechanism for concentrating urine operates between:

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Your Answer:

Loop of Henle and Vasa Recta Loop of Henle and Vasa Recta
PCT and DCT PCT and DCT
Glomerulus and Bowman's capsule Glomerulus and Bowman's capsule
Collecting duct and PCT Collecting duct and PCT

The layer which protects the earth from being hit by meteoroids is:

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Your Answer:

troposphere troposphere
mesosphere mesosphere
thermosphere thermosphere
stratosphere stratosphere

Gambusia fish are introduced in ponds to control:

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Your Answer:

Algae Algae
Bacteria Bacteria
Frog larvae Frog larvae
Mosquito larvae Mosquito larvae

Various types of cancer are treated by_________________?

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Your Answer:

Cobalt-60 Cobalt-60
Strontium-90 Strontium-90
Carbon-14 Carbon-14
Nickel-63 Nickel-63

The system which can exchange matter as well as energy with its surroundings is called____________?

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Your Answer:

open system open system
Closed system Closed system
Isolated system Isolated system
Inert system Inert system

TMV family is__________?

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Your Answer:

tobamovirus tobamovirus
alsuviricetes alsuviricetes
virgaviricetes virgaviricetes
riboviria riboviria

.pusilus and E.globifer in sexual reproduction__________?

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Your Answer:

isogamy isogamy
monogamy monogamy
clump formation clump formation
conjugation conjugation

Fibrinogen is converted to fibrin by:

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Your Answer:

Thromboplastin Thromboplastin
Prothrombin Prothrombin
Heparin Heparin
Thrombin Thrombin

Resource partitioning promotes:

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Your Answer:

Extinction Extinction
Co-existence Co-existence
Competition Competition
Exclusion Exclusion

The process by which a seed embryo develops into a seedling is called:

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Your Answer:

pollination pollination
fusion fusion
germination germination
reproduction reproduction

The right and left atria are considered as:

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Your Answer:

lower thick-walled chambers lower thick-walled chambers
upper thick-walled chambers upper thick-walled chambers
lower thin-walled chambers lower thin-walled chambers
upper thin-walled chambers upper thin-walled chambers

α particles are:

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Your Answer:

positively charged positively charged
doubly positively charged doubly positively charged
negatively charged negatively charged
doubly negatively charged doubly negatively charged

The protoplasm of oogonium differentiate into following region ___________?

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Your Answer:

1 1
2 2
3 3
4 4

First major group of amphibians developed in the_________ period?

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Your Answer:

Triassic Triassic
Devonian Devonian
Early permian Early permian
None of these None of these

A magnifying glass forms:

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Your Answer:

real image real image
inverted image inverted image
virtual image virtual image
fake image fake image

The ionization energy__________________?

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Your Answer:

Generally increases from left to right in a period
Does not change in a period Does not change in a period
Increase from top to bottom in a group Increase from top to bottom in a group
Does not change in a group Does not change in a group

A passenger John is sitting in a moving car, as per an observer outside the car, he is at:

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Your Answer:

position position
rest rest
motion motion
displacement displacement

The Bastille Prison, where many important people . . . . . . . . at one time imprisoned, . . . . . . . . today visited by tourists.

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Your Answer:

have been/is have been/is
had been/have been had been/have been
were/is were/is
are/was are/was
will be/has been will be/has been

Choose analogous pair: Identity : Anonymity

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Your Answer:

Flaw : Perfection Flaw : Perfection
Careless : Mistake Careless : Mistake
Truth : Lie Truth : Lie
Fear : Joy Fear : Joy

What is tincture of iodine?

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Your Answer:

A) 2-3% solution of iodine in alcohol-water mixture
B) A mixture of iodine in chloroxylenol B) A mixture of iodine in chloroxylenol
C) A mixture of 0.2% phenol and 2-3% iodine in water
D) 2-3% solution of iodine in potassium iodide

If frequency of AC is doubled, Capacitive Reactance:

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Your Answer:

Doubles Doubles
Halves Halves
Quadruples Quadruples
Unchanged Unchanged

Latex is to Rubber as Flax is to?

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Your Answer:

Linen Linen
Wool Wool
Jute Jute
Cotton Cotton

The wavefront of a distant star reaching Earth is approx:

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Your Answer:

Plane Plane
Spherical Spherical
Cylindrical Cylindrical
Elliptical Elliptical

Which of the following are reasons for Mendel’s success ? (i) Usage of pure lines or pure breeding varieties (ii) Consideration of one character at a time (iii) Maintenance of statistical records of experiments (iv) Knowledge of linkage and incomplete dominance

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Your Answer:

A) (i) and (ii) only A) (i) and (ii) only
B) (i), (ii) and (iii) B) (i), (ii) and (iii)
C) (i) and (iv) only C) (i) and (iv) only
D) (ii), (iii) and (iv) (i), (ii) and (iii)

What is related to Leaves in the same way as Chatter is related to?

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Your Answer:

Whistle Whistle
Ripple Ripple
Rustle Rustle
Cackle Cackle

Due to the relative motion of observer and frame of reference time:

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Your Answer:

Dilates Dilates
Contracts Contracts
Constant Constant
Uniform Uniform

A characteristics specie of loricifera is__________?

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Your Answer:

enetrobius vermicularis enetrobius vermicularis
nematodes nematodes
miracidium miracidium
nanaloricus nanaloricus

Synonym of “errata” is _________?

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Your Answer:

antiques antiques
suggestive literature suggestive literature
odd behaviour odd behaviour
list of errors list of errors

Since 1800 the amount of carbon dioxide in the atmosphere has increased:

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Your Answer:

0.2 0.2
0.25 0.25
0.5 0.5
0.3 0.3

“Elephant in the room” means _________?

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Your Answer:

An obvious, pressing issue left unaddressed due to its sensitive nature
In good physical health In good physical health
Someone can perceive things and events that are outside of their field of vision
You learned something through means of a rumor

Synonym of supervene is ___________?

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Your Answer:

follow follow
intervene intervene
urgent urgent
imply imply

Excretion is performed mainly by two small ___________?

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Your Answer:

Lungs Lungs
Kidneys Kidneys
Livers Livers
All of these All of these

Volvox kingdom is following__________?

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Your Answer:

plantae plantae
animalia animalia
fungi fungi
algae algae

Select the incorreclty matched pair.

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Your Answer:

A) Initation codons – AUG,GUG A) Initation codons – AUG,GUG
B) Stop codons – UAA, UAG, UGA B) Stop codons – UAA, UAG, UGA
C) Methionine – AUG C) Methionine – AUG
D) Anticodons – mRNA D) Anticodons – mRNA

The pressure inside a small air bubble of radius $0.1 mm$ situated just below the surface of water will be ($T=0.07 N/m$, $P_{atm} = 1.013 \times 10^5 Pa$):

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Your Answer:

$1.013 \times 10^5 Pa$ $1.013 \times 10^5 Pa$
$1.027 \times 10^5 Pa$ $1.027 \times 10^5 Pa$
$1.040 \times 10^5 Pa$ $1.040 \times 10^5 Pa$
$2.026 \times 10^5 Pa$ $2.026 \times 10^5 Pa$

Xenotransplantation involves:

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Your Answer:

Human to human Human to human
Animal to animal Animal to animal
Plant to animal Plant to animal
Animal to human Animal to human

The carbon dioxide (CO2) is removed in alcoholic fermentation from:

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Your Answer:

pyruvic acid pyruvic acid
nitric acid nitric acid
sulphuric acid sulphuric acid
hydrochloric acid hydrochloric acid

All the organisms share many biological:

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Your Answer:

habitat habitat
characteristics characteristics
factors factors
regions regions

The fossils of ferns are found from following rocks __________?

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Your Answer:

Precambrian Precambrian
Devonian Devonian
Mesozoic Mesozoic
All All

The reciprocal of the coefficent of viscosity is called__________?

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Your Answer:

Density Density
Specific gravity Specific gravity
Fluidity Fluidity
Absorbance Absorbance

Primase synthesizes:

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Your Answer:

DNA primers DNA primers
RNA primers RNA primers
Proteins Proteins
Lipids Lipids

Ophiuroids are__________?

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Your Answer:

Predators Predators
Scavengers Scavengers
Producers Producers
Both A & B Both A & B

The intruder stood quietly for few moments

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Your Answer:

for few time for few time
for the few moments for the few moments
for moments for moments
for a few moments for a few moments
No correction required No correction required

Downstream processing involves:

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Your Answer:

DNA extraction DNA extraction
Cell culture Cell culture
Fermentation Fermentation
Product purification Product purification

A wire is stretched to double its length. The strain is:

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Your Answer:

1 1
2 2
0.5 0.5
Zero Zero

In a monohybrid cross between two heterozygous individuals, percentage of pure homozygous individuals obtained in F 1 generation will be

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Your Answer:

A) 25 % A) 25 %
B) 50 % B) 50 %
C) 75 % C) 75 %
D) 100 % D) 100 %

Evaluating Your Answers

MDCAT Mock Test 17 : Question 1 of 54