MDCAT Mock Test 10 - Online MCQ Exam

DNA microarrays can analyze:

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Your Answer:

Thousands of genes at once Thousands of genes at once
One gene only One gene only
Proteins Proteins
Lipids Lipids

CFCs are widely used in…?

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Coolants in refrigeration Coolants in refrigeration
Solvents in cleaners Solvents in cleaners
Air conditioners Air conditioners
All of these All of these

Mycobacterium and Brucella live __________?

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interacellularly interacellularly
exteracellularly exteracellularly
uper side uper side
complecated complecated

A very fine hypha is called _________?

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trichogyne trichogyne
zoospore zoospore
ascocarps ascocarps
flagella flagella

The lignin is the key chemical component of:

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flower flower
roots roots
leaves leaves
wood wood

Convergent evolution produces:

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Different traits Different traits
Extinction Extinction
Similar traits in unrelated species Similar traits in unrelated species
Speciation Speciation

The ventral region of the thallus consist of simple parenchyma __________?

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Red Red
Green Green
Yellow Yellow
Colourless Colourless

Frog larva are known as__________?

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Blastoceal Blastoceal
Tadpoles Tadpoles
Madpoles Madpoles
None of these None of these

IUPAC names are also called:

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systematic names systematic names
hydrocarbon names hydrocarbon names
scientific names scientific names
class names class names

Immunity is ability to resist:

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Exercise Exercise
Stress Stress
Diseases Diseases
Cold Cold

Centrioles found in:

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Plant cells Plant cells
Animal cells Animal cells
Fungal cells Fungal cells
Bacterial cells Bacterial cells

If a nurse counts 68 heartbeats in 1 minute, then the period of heartbeats should be:

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Your Answer:

1.9 s 1.9 s
2 s 2 s
0.88 s 0.88 s
3 s 3 s

Among the following substances the lowest vapour pressure is exerted by

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Your Answer:

A) water A) water
B) alcohol B) alcohol
C) ether C) ether
D) mercury D) mercury

In antheridium the central cell divide to form following __________?

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Outer jacket cell Outer jacket cell
Primary androgonial cell Primary androgonial cell
Inner jacket cell Inner jacket cell
A and b both A and b both

The composition of brown ring in nitrate test is_________________?

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Your Answer:

FeSO4.No FeSO4.No
FeSO4.No2 FeSO4.No2
FeSO4.No3 FeSO4.No3
FeSO4.N2o FeSO4.N2o

Dawn : Dusk : : Inauguration : _________?

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Invitation Invitation
Valediction Valediction
Repetition Repetition
Organisation Organisation

The minimum distance required to hear a distinct echo in air is approx:

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10 m 10 m
17.2 m 17.2 m
34 m 34 m
50 m 50 m

LAUD

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Lord Lord
Eulogy Eulogy
Praise Praise
Extolled Extolled

Cichlids breeds after__________?

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Your Answer:

after year after year
after one month after one month
after 6 weeks after 6 weeks
everyday everyday

Two nicols are crossed. If one is rotated by $30^\circ$, the percentage of incident unpolarized light transmitted is:

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Your Answer:

0.125 0.125
0.25 0.25
0.375 0.375
0.5 0.5

Organs in bryophytes are antheridia archegonia__________?

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2 2
3 3
5 5
6 6

UNCOUTH

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Ungraceful Ungraceful
Rough Rough
Slovenly Slovenly
Dirty Dirty

The PCR technique was developed by:

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Cohen Cohen
Boyer Boyer
Sanger Sanger
Kary Mullis Kary Mullis

Grignard reagent gives carboxylic acid with____________?

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Your Answer:

CO2 CO2
CH3CHO CH3CHO
COC2 COC2
HCN HCN

Gram staining differentiates bacteria based on:

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Cell wall structure Cell wall structure
Cell size Cell size
Flagella number Flagella number
DNA content DNA content

The enzyme used to cut DNA at specific sites is:

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Your Answer:

Restriction endonuclease Restriction endonuclease
DNA ligase DNA ligase
DNA polymerase DNA polymerase
Helicase Helicase

The process of nitrates utilization by organisms is classified as:

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Your Answer:

assimilation assimilation
nitrification nitrification
denitrification denitrification
ammonification ammonification

Which acid is the manufacture of synthetic rubber ?

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Your Answer:

Acetic acid Acetic acid
Formic acid Formic acid
Carbonic acid Carbonic acid
Benzoic acid Benzoic acid

Drama is related to Scene in the same way as Book is related to?

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Your Answer:

Story Story
Page Page
Chapter Chapter
Author Author

Prokaryotic cells lack:

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Your Answer:

Ribosomes Ribosomes
Cell membrane Cell membrane
Membrane-bound nucleus Membrane-bound nucleus
DNA DNA

The uterus of the female reproductive system opens into the:

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Your Answer:

placenta placenta
birth canal birth canal
cervix cervix
uterus uterus

The energy of one mole of photons of radiation, whose frequency is 4×10 14 Hz, is ___________?

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Your Answer:

159.6kJ 159.6kJ
135.5 KJ 135.5 KJ
110.5 KJ 110.5 KJ
80.4 KJ 80.4 KJ

Which gas is used for artificial ripening of green fruit ?

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Your Answer:

Carbon dioxide Carbon dioxide
Acetylene Acetylene
Ethane Ethane
Ethylene Ethylene

An object floats in water if its density is:

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Less than water Less than water
Greater than water Greater than water
Equal to air Equal to air
Infinite Infinite

The end products of fermentation in yeast are:

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Lactic acid Lactic acid
Acetic acid Acetic acid
Citric acid Citric acid
Ethanol and CO2 Ethanol and CO2

Specified heat of water is:

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Your Answer:

4200 -1 K-1 4200 -1 K-1
3200 -1 K-1 3200 -1 K-1
2300 -1 K-1 2300 -1 K-1
1250 -1 K-1 1250 -1 K-1

Permit :

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Your Answer:

Give Give
Forbid Forbid
Allow Allow
Preserve Preserve

An ideal voltmeter should have:

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Your Answer:

low resistance low resistance
high resistance high resistance
zero resistance zero resistance
minimal resistance minimal resistance

Most of the Indian workers are as healthy as, if not healthier than, British workers.

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Your Answer:

as if healthy as not healthier as if healthy as not healthier
healthier but not as healthy healthier but not as healthy
as healthy, if not healthier as healthy, if not healthier
so healthy, if not healthier so healthy, if not healthier
No correction required No correction required

She is afraid ___ darkness.

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Your Answer:

of of
from from
with with
by by

The rate of reaction of organic compounds is slow due to:

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Your Answer:

ionic bonding ionic bonding
amphoteric nature amphoteric nature
covalent bonding covalent bonding
coordinate covalent bonding coordinate covalent bonding

Pair of testiest in oligochaetes___________?

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Your Answer:

one or two one or two
three three
four four
five five

Despite his best efforts to conceal his anger ......

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we could detect that he was very happy we could detect that he was very happy
he failed to give us an impression of his agony
he succeeded in camouflaging his emotions
he could succeed in doing it easily he could succeed in doing it easily
people came to know that he was annoyed people came to know that he was annoyed

The Aristotle___________?

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384-322 B.C 384-322 B.C
400-490 B.C 400-490 B.C
600-900B.C 600-900B.C
500-300B.C 500-300B.C

Salivary amylase acts on:

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Proteins Proteins
Starch Starch
Fats Fats
Nucleic acids Nucleic acids

Our plan _____ to succeed.

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Your Answer:

bid fair bid fair
pass by pass by
boil down boil down
hand and galore hand and galore

Word eidos meaning is___________?

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Your Answer:

girdle girdle
form form
circular circular
spherical spherical

When a gas at reduced pressure is subjected to an electric discharge, the rays originating from the negative electrode are-

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Your Answer:

A) Cathode rays A) Cathode rays
B) Anode rays B) Anode rays
C) X-rays C) X-rays
D) Radiation ray D) Radiation ray

Choose analogous pair: Eagle : Eyire

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Your Answer:

Sheep : Pen Sheep : Pen
Fox : Sty Fox : Sty
Lion : Hole Lion : Hole
Sheep : Coop Sheep : Coop

In the Lac Operon, the repressor protein binds to the:

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Your Answer:

Promoter Promoter
Structural gene Structural gene
Inducer Inducer
Operator region Operator region

On moving from left to right in a period in the periodic table, the size of the atom

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Your Answer:

A) increases A) increases
B) decreases B) decreases
C) does not change appreciably C) does not change appreciably
D) first decreases and then increases. D) first decreases and then increases.

A person who knows many foreign languages

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Linguist Linguist
Grammarian Grammarian
Polyglot Polyglot
Bilingual Bilingual

Which treatment is instituted in a cancerous patient?

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Your Answer:

Antibiotic therapy Antibiotic therapy
Radiotherapy Radiotherapy
Gene therapy Gene therapy
None of these None of these

Clue is related to Mystery in the same way as Warning is related to?

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Your Answer:

Disaster Disaster
Precaution Precaution
Risk Risk
Danger Danger

When animal color pattern hide then____________?

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Your Answer:

camouflage camouflage
sleeping sleeping
aggressive behavior aggressive behavior
contraction contraction

Dianosaurs extinct in era___________?

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Your Answer:

cenozoic era cenozoic era
mesozic era mesozic era
trilobites era trilobites era
before cenozoic before cenozoic

The characters which appear in the first filial generation are called

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Your Answer:

A) recessive characters A) recessive characters
B) dominant characters B) dominant characters
C) holandric characters C) holandric characters
D) lethal characters D) lethal characters

on sp3 hybridization ________________?

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Your Answer:

All p-orbitals are involved All p-orbitals are involved
One s and 3 p-orbitals are involved One s and 3 p-orbitals are involved
one p-orbital is involved one p-orbital is involved
four p-orbitals are involved four p-orbitals are involved

Isoelectric point is pH where:

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Your Answer:

Maximum charge Maximum charge
Minimum charge Minimum charge
Zero net charge Zero net charge
Maximum solubility Maximum solubility

Which halogen is least reactive?

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Your Answer:

$\ce{F2}$ $\ce{F2}$
$\ce{Cl2}$ $\ce{Cl2}$
$\ce{Br2}$ $\ce{Br2}$
$\ce{I2}$ $\ce{I2}$

Please make it a point to send you letter at my address.

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Your Answer:

on my address on my address
to my address to my address
in my address in my address
No improvement No improvement

The only liquid metal at room temperature is:

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Your Answer:

sodium sodium
iron iron
mercury mercury
aluminum aluminum

Dry human skin has a resistance of:

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Your Answer:

5000 ohms or more 5000 ohms or more
2,000 ohms or more 2,000 ohms or more
10,000 ohms or more 10,000 ohms or more
6,000 ohms or more 6,000 ohms or more

TACITURN :

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Your Answer:

Judge Judge
Silent Silent
Talkative Talkative
Immense Immense

Antonym of PERSPICACITY is: __________?

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Your Answer:

Acumen Acumen
Astuteness Astuteness
Naivety Naivety
Intelligence Intelligence

Mycorrhizae benefit plants by:

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Your Answer:

Causing disease Causing disease
Producing toxins Producing toxins
Enhancing nutrient uptake Enhancing nutrient uptake
Reducing growth Reducing growth

Percent composition of O in $\ce{CO2}$:

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Your Answer:

0.727 0.727
0.5 0.5
0.364 0.364
0.636 0.636

LIBERAL :

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Your Answer:

Broad-minded Broad-minded
Generous Generous
Visionary Visionary
Imaginative Imaginative

The two valves in diatoms with inner protoplasts are called _________?

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Your Answer:

cingulum cingulum
manubrium manubrium
frustule frustule
pores pores

Which of the following is a disease that proceeds from obstruction of the liver?

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Your Answer:

cholera cholera
dysentery dysentery
jaundice jaundice
hepatitis hepatitis

Leeches feed on vertebrates___________?

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Your Answer:

fluid fluid
gas gas
blood blood
hair hair

Which of the following is a synonym for “breakneck”?

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Your Answer:

Leisurely Leisurely
Dangerous Dangerous
Slow Slow
Rapid Rapid

Gravitation force of sun is__________?

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Your Answer:

274 m/s² 274 m/s²
362 m/s² 362 m/s²
300 m/s² 300 m/s²
None of these None of these

Kangaroos phylum is__________?

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Your Answer:

animalia animalia
chordata chordata
aves aves
macropodidae macropodidae

On the internet, the function which allows people to send and receive text messages very fast is called:

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Your Answer:

web browsing web browsing
e-mail e-mail
e-commerce e-commerce
post post

Evaluating Your Answers

MDCAT Mock Test 10 : Question 1 of 75