BDS Entry Mock Test 10 - Online MCQ Exam

A particle of mass $m$ is attached to a spring $k$. The spring is cut into two pieces of length ratio 1:2. The mass is attached to the smaller piece. New frequency is:

1 Mark(s)

Your Answer:

$f$ $f$
$3f$ $3f$
$\sqrt{3}f$ $\sqrt{3}f$
$f/\sqrt{3}$ $f/\sqrt{3}$

As compared to the energy provided by carbohydrates, how much energy per gram is provided by fats and oils?

1 Mark(s)

Your Answer:

twice twice
thrice thrice
four times four times
five times five times

Discipline is on the wane in schools and colleges these days.

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Your Answer:

declining declining
increasing increasing
spreading spreading
spiralling spiralling

Ore of lead is called:

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Your Answer:

galena galena
zinc blende zinc blende
cinnabar cinnabar
chromite chromite

Emergency contraceptives are effective if used within,

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Your Answer:

A) 72 hrs of coitus A) 72 hrs of coitus
B) 72 hrs of ovulation B) 72 hrs of ovulation
C) 72 hrs of menstruation C) 72 hrs of menstruation
D) 72 hrs of implantation. D) 72 hrs of implantation.

Some euglenoids lose their chlorophyll in___________?

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Your Answer:

darkness darkness
light light
high temprature high temprature
low temprature low temprature

TRANSPARENT

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Your Answer:

Semi-transparent Semi-transparent
Muddy Muddy
Opaque Opaque
Dark Dark

When the amplitude of a wave becomes double its energy become_________________?

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Your Answer:

Double Double
Four times Four times
One half One half
None time None time

Find out incorrect sentence: (NCERT Exemplar)

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Your Answer:

A) Protista includes unicellular eukaryotic organisms
B) Whittaker considered cell structure, mode and source of nutrition for classifying the organisms in five kingdoms
C) Both Monera and Protista may be autotrophic and heterotrophic
D) Monerans have well defined nucleus. D) Monerans have well defined nucleus.

It is no longer easy to strike gold in Shakespeare's research since much work has already been done on him.

1 Mark(s)

Your Answer:

Hit a golden spot Hit a golden spot
Come across gold Come across gold
Come across the word "gold" Come across the word "gold"
Uncover or find a valuable line of argument or information

Evolutionary history is the story of___________?

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Your Answer:

adaptive radiation adaptive radiation
environment environment
pollution pollution
over population over population

Oxidation state of $\ce{Cr}$ in $\ce{K2Cr2O7}$ is:

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Your Answer:

4 4
5 5
6 6
7 7

The unit of force in CGS, system is __________?

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Your Answer:

Newton Newton
Pound Pound
Dyne Dyne
None of these None of these

Ideal gas deviates from ideal behavior at:

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Your Answer:

High P and low T High P and low T
Low P and high T Low P and high T
Moderate P and T Moderate P and T
Constant P and T Constant P and T

The greatest power of ionization is in:

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Your Answer:

alpha particles alpha particles
gamma particles gamma particles
beta particles beta particles
none of above none of above

The resistance of the wire is inversely proportional to the:

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Your Answer:

wire material's nature wire material's nature
length of the wire length of the wire
cross sectional area of the wire cross sectional area of the wire
all of above all of above

A hater of knowledge and learning:

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Your Answer:

Bibliophile Bibliophile
Philologist Philologist
Misogynist Misogynist
Misologist Misologist

Oyster mushroom scientific name is __________?

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Your Answer:

pleurotus ostreatus pleurotus ostreatus
canis canis
homosapiens homosapiens
appressoria appressoria

Microspore have inner layer is called following __________?

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Your Answer:

Exine Exine
Intine Intine
Epidermis Epidermis
Exodermis Exodermis

An adaptation is a trait that:

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Your Answer:

Decreases fitness Decreases fitness
Increases fitness in an environment Increases fitness in an environment
Is random Is random
Is learned Is learned

Cestoidea have described species___________?

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Your Answer:

100 100
1100 1100
1200 1200
3500 3500

Which of these is not related to the endoplasmic reticulum?

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Your Answer:

A) It behaves as a transport channel for proteins between nucleus and the cytoplasm.
B) It transports materials between various regions in the cytoplasm.
C) It can be the site of energy generation
D) It can be the site for some biochemical activities of the cell.

Age at the beginning of period ordovician million years ago___________?

1 Mark(s)

Your Answer:

520 520
490 490
600 600
300 300

He said,"I cannot help you at present because I am myself in difficulty."

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Your Answer:

He said that I cannot help you at present because I myself in difficulty.
He said that he could not help me at present because he was himself in difficulty.
He told that he could not help you at present because he was himself in difficulty.
He asked that he could not help you at present because he was himself in difficulty.

_________maintains the balance of the body?

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Your Answer:

Cerebellum Cerebellum
Cerebrum Cerebrum
Calyx Calyx
Cortex Cortex

The primary carnivores of the ecosystem are also classified as:

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Your Answer:

tertiary consumers tertiary consumers
primary decomposers primary decomposers
primary consumers primary consumers
secondary consumers secondary consumers

Which of the following has made it possible to get the maximum amount of products?

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Your Answer:

Le Chatellier's principle Le Chatellier's principle
Charle's law Charle's law
Boyle's law Boyle's law
Snell's law Snell's law

Synonym of Infuriate is : ___________?

1 Mark(s)

Your Answer:

Threaten Threaten
Enrage Enrage
Burn Burn
Disgrace Disgrace

The fireman managed to put ____________the fire.

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Your Answer:

away away
down down
out out
off off

The pressure at the bottom of a water tank is $4P$ where $P$ is atmospheric pressure. The height of water is approximately ($P = 10^5 Pa, g=10$):

1 Mark(s)

Your Answer:

10 m 10 m
20 m 20 m
30 m 30 m
40 m 40 m

The relative concentration of the solute in a particular solution is classified as:

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Your Answer:

hypotonic hypotonic
turgidity turgidity
tonicity tonicity
hypertonic hypertonic

To store data permanently on the computer, we use:

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Your Answer:

primary memory primary memory
temporary memory temporary memory
secondary memory secondary memory
variable memory variable memory

A person who chatters meaninglessly is __________?

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Your Answer:

Talkative Talkative
Loquacious Loquacious
Voluble Voluble
Garrulous Garrulous

Which of the following is true about liquids compared to solids ?

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Your Answer:

liquids have fixed shape and volume liquids have fixed shape and volume
liquids have fixed shape but no fixed volume
liquids have fixed volume but no fixed shape
liquids have neither fixed shape nor fixed volume

A bus starts from rest with the acceleration of 0.5 ms−2. If it has moved through 100 m, then its speed will be:

1 Mark(s)

Your Answer:

23 kmh−1 23 kmh−1
25 kmh−1 25 kmh−1
34 kmh−1 34 kmh−1
36 kmh−1 36 kmh−1

What is the pH at which Bromothymol blue changes color?

1 Mark(s)

Your Answer:

5.5 5.5
7 7
9 9
10 10

When current in a coil changes from 5A to 2A in 0.1s, induced emf is 50V. Self inductance is:

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Your Answer:

5 H 5 H
1.67 H 1.67 H
3 H 3 H
0.6 H 0.6 H

Cyclone collector is used for minimizing:____________-?

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Your Answer:

Water pollution Water pollution
Sound pollution Sound pollution
Soil pollution Soil pollution
Air pollution Air pollution

The only liquid metal at room temperature is:

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Your Answer:

sodium sodium
iron iron
mercury mercury
aluminum aluminum

The human genome project was published in:

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Your Answer:

1999 1999
2008 2008
2005 2005
2002 2002

The cryIAc gene controls:

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Your Answer:

Corn borer Corn borer
Root knot nematode Root knot nematode
Cotton bollworm Cotton bollworm
Wheat rust Wheat rust

Motile spores are called following __________?

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Your Answer:

zoospores zoospores
aplanospores aplanospores
hypnospores hypnospores
akinetes akinetes

The intensity level of the faintest audible sound is:

1 Mark(s)

Your Answer:

25 dB 25 dB
0 dB 0 dB
10 dB 10 dB
100 dB 100 dB

Evaluating Your Answers

BDS Entry Mock Test 10 : Question 1 of 43