Laboratory Technologist MCQ based mock test

Absolute zero of temperature corresponds to

273.15 °C

-273.15 °C

0 °C

100 °C

Correct! Wrong!

On removing the valve, the air escaping from a cycle tube comes cool, because

A:-It is an isothermal expansion

B:-It is an isothermal compression

C:-It is an adiabatic expansion

D:-It is an adiabatic compression

Correct! Wrong!

When a capillary tube of diameter 4 mm is immersed vertically in water, water rises upto a height of 5 cm. If another capillary tube of diameter 2 mm is immersed in water, to what height water will rise to?

4 cm

5 cm

8 cm

10 cm

Correct! Wrong!

Which of the following is the unit of Universal Gravitational Constant?

kgm−2s−1

m3⋅kg−1⋅s−2

kgms−2

mkg3s−2

Correct! Wrong!

What is the moment of inertia of a ring about a tangent to the circle of the ring?

3/2 MR−2

1/4 MR−2

2/5 MR−2

MR−2

Correct! Wrong!

Which one of the following is not ferromagnetic?

A:-Cobalt

B:-Nickel

C:-Iron

D:-Bismuth

Correct! Wrong!

Which of the following radiation is used to take photographs of distant objects?

A:-Microwaves

B:-X-rays

C:-UV-rays

D:-IR-radiations

Correct! Wrong!

If earth shrinks to half of its present radius without any change in its mass, then how does the duration of a day changes ?

A:-Decreases

B:-Increases

C:-No change

D:-May increase or decrease

Correct! Wrong!

Rutherford conducted the scattering experiment using

A:- beta -particles

B:- alpha -particles

C:- gamma -particles

D:-photons

Correct! Wrong!

Permanent hardness cannot be removed by

A:-Adding washing soda to water

B:-Boiling water

C:-Adding calgon

D:-Passing through resin

Correct! Wrong!

The shape of methane molecule is

A:-tetrahedral

B:-linear

C:-pyramidal

D:-planar

Correct! Wrong!

Milk is an example of

A:-foam

B:-gel

C:-emulsion

D:-sol

Correct! Wrong!

Graphite belongs to which type of crystalline structure?

A:-Hexagonal

B:-Monoclinic

C:-Triclinic

D:-Cubic

Correct! Wrong!

Germanium is refined by

A:-distillation

B:-liquidation

C:-electrolysis

D:-zone refining

Correct! Wrong!

Non-sticky coating of frying pans is made by a polymer

A:-PAN

B:-HDP

C:-TEFLON

D:-Buna-N

Correct! Wrong!

Which test is used for identifying phenol 7

A:-Schiff's test

B:-Tollen's test

C:-Lucas test

D:-Neutral ferric chloride

Correct! Wrong!

The anode of leclanche cell is made up of

A:-Zinc

B:-Copper

C:-Aluminium

D:-Magnesium

Correct! Wrong!

Pollination by bat is

A:-Hydrophily

B:-Cheiropterophily

C:-Malacophily

D:-Entomophily

Correct! Wrong!

Pisum sativum belongs to the family

A:-Solanaceae

B:-Fabaceae

C:-Malvaceae

D:-Liliaceae

Correct! Wrong!

Pyramid of number is inverted in

A:-Pond ecosystem

B:-Grassland ecosystem

C:-Parasitic ecosystem

D:-Fresh water ecosystem

Correct! Wrong!

Absolute zero of temperature corresponds to

On removing the valve, the air escaping from a cycle tube comes cool, because

When a capillary tube of diameter 4 mm is immersed vertically in water, water rises upto a height of 5 cm. If another capillary tube of diameter 2 mm is immersed in water, to what height water will rise to?

Which of the following is the unit of Universal Gravitational Constant?

What is the moment of inertia of a ring about a tangent to the circle of the ring?

Which one of the following is not ferromagnetic?

Which of the following radiation is used to take photographs of distant objects?

If earth shrinks to half of its present radius without any change in its mass, then how does the duration of a day changes ?

Rutherford conducted the scattering experiment using

Permanent hardness cannot be removed by

The shape of methane molecule is

Milk is an example of

Graphite belongs to which type of crystalline structure?

Germanium is refined by

Non-sticky coating of frying pans is made by a polymer

Which test is used for identifying phenol 7

The anode of leclanche cell is made up of

Pollination by bat is

Pisum sativum belongs to the family

Pyramid of number is inverted in

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