BDS Entry Mock Test 16 - Online MCQ Exam

Hagfishes have mouth with four pairs of __________?

1 Mark(s)

Your Answer:

Jaws Jaws
Appendages Appendages
Tentacles Tentacles
Gills Gills

God has been distributing wisdom among people . . . . . . many years.

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Your Answer:

since since
for for
from from
so so

The locus of all particles vibrating in the same phase is called a:

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Your Answer:

Wavefront Wavefront
Ray Ray
Beam Beam
Pulse Pulse

The first clinical gene therapy was given to a 4-year old girl with:

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Your Answer:

ADA deficiency ADA deficiency
Insulin deficiency Insulin deficiency
Growth hormone deficiency Growth hormone deficiency
Vitamin deficiency Vitamin deficiency

Ex-situ conservation includes:

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Your Answer:

Zoo and botanical gardens Zoo and botanical gardens
National parks National parks
Biosphere reserves Biosphere reserves
Wildlife sanctuaries Wildlife sanctuaries

Acidic strength order of hydrogen halides:

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Your Answer:

$\ce{HI > HBr > HCl > HF}$ $\ce{HI > HBr > HCl > HF}$
$\ce{HF > HCl > HBr > HI}$ $\ce{HF > HCl > HBr > HI}$
$\ce{HCl > HBr > HI > HF}$ $\ce{HCl > HBr > HI > HF}$
All equal All equal

Predation is:

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Your Answer:

Symbiosis Symbiosis
Commensalism Commensalism
Mutualism Mutualism
Killing and eating Killing and eating

Which of the following treatment will convert starch directly into glucose?

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Your Answer:

A) Heating with dilute H 2 SO 4 A) Heating with dilute H 2 SO 4
B) Fermentation by diastase B) Fermentation by diastase
C) Fermentation by zymase C) Fermentation by zymase
D) Heating with dilute NaOH D) Heating with dilute NaOH

The number of kingdoms in which organisms are divided is:

1 Mark(s)

Your Answer:

five five
six six
seven seven
four four

Leaves of phaeophyta is __________?

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Your Answer:

holdfast holdfast
stipes stipes
blades blades
cell wall cell wall

Tom's away at the moment. He's . . . . . . . . holiday in France.

1 Mark(s)

Your Answer:

on on
at at
in in
for for

ALERT

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Your Answer:

Energetic Energetic
Observant Observant
Intelligent Intelligent
Watchful Watchful

Bridges with rollers below one of their ends allow movements due to:

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Your Answer:

expansion only expansion only
contraction only contraction only
suspension suspension
expansion and contraction expansion and contraction

Disulfide bond forms between:

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Your Answer:

Glycine residues Glycine residues
Cysteine residues Cysteine residues
Serine residues Serine residues
Threonine residues Threonine residues

The heavy chain and light chain of an antibody are joined by:

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Your Answer:

Disulfide bonds Disulfide bonds
Hydrogen bonds Hydrogen bonds
Peptide bonds Peptide bonds
Ionic bonds Ionic bonds

The focus of the convex mirror is:

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Your Answer:

negative negative
virtual virtual
real real
zero zero

Which of the following is the most reactive_________________?

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Your Answer:

ethane ethane
ethyne ethyne
ethene ethene
benzene benzene

To relieve the discomfort of allergy sufferers in homes, we use:

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Your Answer:

vacuum cleaner vacuum cleaner
electrostatic air cleaner electrostatic air cleaner
wind cleaner wind cleaner
none of above none of above

Enveloped virus are_________?

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Your Answer:

haplovirales haplovirales
peplovirles peplovirles
naked viruses naked viruses
AIDS AIDS

Pheromones are:

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Your Answer:

Sound signals Sound signals
Light signals Light signals
Visual displays Visual displays
Chemical communication signals Chemical communication signals

Day-neutral plants flower:

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Your Answer:

Regardless of photoperiod Regardless of photoperiod
Only in long days Only in long days
Only in short days Only in short days
Never Never

Which thing is necessary for reproduction of mosses__________?

1 Mark(s)

Your Answer:

air air
water water
temprature temprature
heat heat

Fishes with internal fertilization produce__________ eggs?

1 Mark(s)

Your Answer:

More More
No No
Fewer Fewer
Least Least

Benzene sulphonic acid is prepared by:

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Your Answer:

$\ce{C6H6 + H2SO4}$ $\ce{C6H6 + H2SO4}$
$\ce{C6H6 + SO3}$ $\ce{C6H6 + SO3}$
$\ce{C6H6 + H2S}$ $\ce{C6H6 + H2S}$
$\ce{C6H6 + SO2}$ $\ce{C6H6 + SO2}$

Mongolism is a genetic disorder which is caused by the presence of an extra chromosome number

1 Mark(s)

Your Answer:

A) 20 A) 20
B) 21 B) 21
C) 17 C) 17
D) 23 D) 23

O3 reacts with C2H4 to form ozonide, while on further hydrolysis it forms _________?

1 Mark(s)

Your Answer:

Ethylene oxide Ethylene oxide
HCHO HCHO
Ethylene glycol Ethylene glycol
Ethyl alcohol Ethyl alcohol

Multiple reflections are called:

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Your Answer:

reverberations reverberations
refraction refraction
echo echo
compressions compressions

Mean free path $\lambda$ is inversely proportional to:

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Your Answer:

$d^2$ $d^2$
$d$ $d$
$\sqrt{d}$ $\sqrt{d}$
$1/d$ $1/d$

Which of the following reduces pain?

1 Mark(s)

Your Answer:

vaccines vaccines
sedatives sedatives
antibiotics antibiotics
analgesics analgesics

He is fond ___ music.

1 Mark(s)

Your Answer:

of of
on on
at at
in in

Trophic level represents:

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Your Answer:

Age group Age group
Habitat Habitat
Feeding level Feeding level
Population size Population size

What is the pH of tomato juice?

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Your Answer:

4 4
7 7
8 8
9 9

An Error in Printing or writing_____?

1 Mark(s)

Your Answer:

Flaw Flaw
Erratum Erratum
Elixir Elixir
Pangaea Pangaea

Torque is defined as______________?

1 Mark(s)

Your Answer:

Turning effect of force Turning effect of force
Cross product of position vector and force
Product of force and moment arm Product of force and moment arm
All A, B and C are correct All A, B and C are correct

Choose analogous pair: Partridge : Covery

1 Mark(s)

Your Answer:

Directors : Band Directors : Band
Mountain : Range Mountain : Range
Sheep : Swarm Sheep : Swarm
Goods : Consignment Goods : Consignment

What is the mass percent of silver in silver notrate, AgNO3?

1 Mark(s)

Your Answer:

64.5% 64.5%
65.6% 65.6%
63.5% 63.5%
61.5% 61.5%

Virus can be seen by__________?

1 Mark(s)

Your Answer:

compound microscope compound microscope
electron microscope electron microscope
visible in eye visible in eye
visible in day light visible in day light

Actinoids are:

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Your Answer:

Radioactive, 5f series Radioactive, 5f series
Non-radioactive Non-radioactive
6d series 6d series
4f series 4f series

In gametogenesis, the meiosis is undergone on diploid gamete-mother cells to form:

1 Mark(s)

Your Answer:

diploid egg cells diploid egg cells
haploid egg cells haploid egg cells
haploid gametes haploid gametes
diploid gametes diploid gametes

Biomass conversion efficiency averages__________?

1 Mark(s)

Your Answer:

5% 5%
10% 10%
20% 20%
60% 60%

TMV is__________?

1 Mark(s)

Your Answer:

thermostable thermostable
ectotherm ectotherm
endotherm endotherm
none none

Diffusion is the movement of molecules from:

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Your Answer:

Low to high concentration Low to high concentration
High to low concentration High to low concentration
Against gradient Against gradient
Requires ATP Requires ATP

An image of a statue appears to be 12.6 cm behind a concave mirror with a focal length of 14.5 cm. The distance between the mirror and the statue is:

1 Mark(s)

Your Answer:

6.74 cm 6.74 cm
9.82 cm 9.82 cm
4.56 cm 4.56 cm
11.6 cm 11.6 cm

The molecules that cannot cross the membranes are classified as:

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Your Answer:

diffusible molecules diffusible molecules
non-diffusible molecules non-diffusible molecules
saturated molecules saturated molecules
unsaturated molecules unsaturated molecules

Metastasis is:

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Your Answer:

Primary tumor Primary tumor
Spread of cancer Spread of cancer
Cell death Cell death
Normal growth Normal growth

They have no fixed shape or volume:

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Your Answer:

solids solids
liquids liquids
gases gases
all of above all of above

Sporangia are born which of the following _________?

1 Mark(s)

Your Answer:

Leaves Leaves
Conidia Conidia
Zoospore Zoospore
Zygote Zygote

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

1 Mark(s)

Your Answer:

troposphere troposphere
mesosphere mesosphere
thermosphere thermosphere
stratosphere stratosphere

The following question is based on Assertion/Reason.

1 Mark(s)

Your Answer:

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
Assertion is correct but Reason is incorrect.
Both Assertion and Reason are incorrect.

In lanthanide series, effective nuclear charge increases by:

1 Mark(s)

Your Answer:

~0.3 per electron ~0.3 per electron
~1 per electron ~1 per electron
No increase No increase
Decreases Decreases

He told us that P : and enjoyed it immensely Q : in a prose translation R : he had read Milton S : which he had borrowed from his teacher The Proper sequence should be:

1 Mark(s)

Your Answer:

RSQP RSQP
QRPS QRPS
RQSP RQSP
RQPS RQPS

Evolutionary process is remarkble for__________?

1 Mark(s)

Your Answer:

animal habitat animal habitat
animal movement animal movement
relative simplicty relative simplicty
animal behaviour animal behaviour

Juvenile of acanthocephala parasite of___________?

1 Mark(s)

Your Answer:

crustaceans crustaceans
insects insects
mammals mammals
a and b both a and b both

Taxonomist explain more undescribed species___________?

1 Mark(s)

Your Answer:

4 to 30 millions 4 to 30 millions
4 millions 4 millions
1 millions 1 millions
5 millions 5 millions

In oogenesis haploid egg is fertilised by sperm at which stage ?

1 Mark(s)

Your Answer:

A) Primary oocyte A) Primary oocyte
B) Secondary oocyte B) Secondary oocyte
C) Oogonium C) Oogonium
D) Ovum D) Ovum

If a body covers equal distance in equal intervals of time then its speed is:

1 Mark(s)

Your Answer:

variable variable
uniform uniform
equal equal
constant constant

Which of the following statements is not correct about penicillin?

1 Mark(s)

Your Answer:

A) Penicillin G has a narrow spectrum A) Penicillin G has a narrow spectrum
B) It is extracted from antibacterial fungus Penicillium
C) Ampicillin and Amoxycilin are synthetic modification of penicillins
D) It has bacteriostatic effect D) It has bacteriostatic effect

Which of the following species of dicot are woody __________?

1 Mark(s)

Your Answer:

30% 30%
40% 40%
50% 50%
60% 60%

Free neutron changes into proton with the emission of__________________?

1 Mark(s)

Your Answer:

Neutrino Neutrino
Electron Electron
Both A & B Both A & B
Meson Meson

Detect analogy : Love : Respect : Sympathy

1 Mark(s)

Your Answer:

They are sentiments. They are sentiments.
They are feelings. They are feelings.
They are not reciprocal. They are not reciprocal.
They cannot be displayed. They cannot be displayed.

Animal embeded in rock and preserved in petrified form___________?

1 Mark(s)

Your Answer:

dead bodies dead bodies
fossils fossils
minerals minerals
all all

Nereis kingdom is__________?

1 Mark(s)

Your Answer:

annelida annelida
phyllodocida phyllodocida
animalia animalia
nereis nereis

Sound travels fastest in:

1 Mark(s)

Your Answer:

Air Air
Water Water
Steel Steel
Vacuum Vacuum

Which compound is produced when ethyl formate reacts with excess CH3MgI, followed by hydrolysis?

1 Mark(s)

Your Answer:

Isopropyl alcohol Isopropyl alcohol
Ethanol Ethanol
n-Propyl alcohol n-Propyl alcohol
Propanal Propanal

Which among the following is not a base?

1 Mark(s)

Your Answer:

A) NaOH A) NaOH
B) KOH B) KOH
C) NH 4 OH C) NH 4 OH
D) C 2 H 5 OH D) C 2 H 5 OH

It was difficult to remove my feet as it had got stuck ...... in the mud.

1 Mark(s)

Your Answer:

fairly fairly
greatly greatly
widely widely
firmly firmly

In the human body, the group formed by neurons enclosed in the membrane at certain body parts is called:

1 Mark(s)

Your Answer:

benign benign
malign malign
ganglion ganglion
neuroglial neuroglial

Dogtooth cichlids’s scientific name__________?

1 Mark(s)

Your Answer:

rhumba rhumba
cynotilapia cynotilapia
cynotilapia afra cynotilapia afra
cyprinus carpio cyprinus carpio

Asked :

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Your Answer:

Ordered Ordered
Ignored Ignored
Requested Requested
Directed Directed
Refused Refused

The imperfect fungi is__________?

1 Mark(s)

Your Answer:

zygomycetes zygomycetes
Ascomycota Ascomycota
basidiomycota basidiomycota
deutromycota deutromycota

Opioids are obtained from:

1 Mark(s)

Your Answer:

Papaver somniferum Papaver somniferum
Cannabis sativa Cannabis sativa
Erythroxylum coca Erythroxylum coca
Datura Datura

There are sixty seconds in . . . . . . . . minute.

1 Mark(s)

Your Answer:

a a
an an
the the
no article no article

Avogadro's number is approximately equal to:

1 Mark(s)

Your Answer:

$6.022 \times 10^{22}$ $6.022 \times 10^{22}$
$6.022 \times 10^{24}$ $6.022 \times 10^{24}$
$6.022 \times 10^{23}$ $6.022 \times 10^{23}$
$6.022 \times 10^{21}$ $6.022 \times 10^{21}$

The external ear consists of:

1 Mark(s)

Your Answer:

malleus, incus and stapes malleus, incus and stapes
vestibule, semicircular canals and cochlea
pinna, auditory canal and ear drum pinna, auditory canal and ear drum
Eustachian tube and oval window Eustachian tube and oval window

Evaluating Your Answers

BDS Entry Mock Test 16 : Question 1 of 74