Latest Science and Technology General Knowledge(GK) Questions and answers

1 .

What is the term for classifying and grouping organisms?

A)

Taxonomy

B)

Homology

C)

Zeology

D)

Biology

Correct Answer : Taxonomy

The term for classifying and grouping organisms is Taxonomy. It is the science of defining and naming groups of biological organisms on the basis of shared characteristics.

2 .

Blisters are a sign of which classification of burn?

A)

First-degree

B)

Second-degree

C)

Third-degree

D)

Fourth-degree

Correct Answer : Second-degree

Burns are classified into 4 degrees. They are :

1. First-degree (superficial) burns. First-degree burns affect only the epidermis, or outer layer of skin.

2. Second-degree (partial thickness) burns. Second-degree burns involve the epidermis and part of the dermis layer of skin.

3. Third-degree (full thickness) burns.

4. Fourth-degree burns.

Blisters are a sign of Second-degree burns.

3 .

Which of the following processes would release energy?

A)

Fermentation

B)

Evaporation

C)

Condensation

D)

None of the above

Correct Answer : Condensation

4 .

Which one of the following industries is the biggest consumer of water in India?

A)

Engineering

B)

Thermal power

C)

Paper and pulp

D)

None of the above

Correct Answer : Thermal power

5 .

Which of the following are physical signs of stress?

A)

aches

B)

tense muscles

C)

loss of sexual desire

D)

All of the above

Correct Answer : All of the above

Physical signs of stress include Frequent colds and infections, aches, pains and tense muscles, stomach upset, loss of sexual desire, etc...

6 .

In communication satellite, multiple repeaters are known as

A)

Transponders

B)

Detectors

C)

Generators

D)

Modulators

Correct Answer : Transponders

7 .

Transpiration in plants does helps in which of the following?

A)

Absorption and upward movement of minerals dissolved in water

B)

Absorption and upward movement of water

C)

Temperature regulation

D)

All options are correct

Correct Answer : All options are correct

8 .

By definition a clade is

A)

monophyletic

B)

paraphyletic

C)

parsimonious

D)

polyphyletic

Correct Answer : monophyletic

A clade is a group of ancestral species and all its descendants. Hence it is a branch of one same species and so monophyletic.

9 .

Fog, clouds, mist are examples of

A)

Solid sol

B)

Aerosol

C)

Foam

D)

Gel

Correct Answer : Aerosol

Fog, clouds, mist are examples of aerosol. An aerosol is a colloid of fine solid particles or liquid droplets, in air or another gas.

10 .

Where does the energy for photosynthesis come from?

A)

Chlorophyll

B)

Soil

C)

sun light

D)

Water

Correct Answer : sun light

Photosynthesis is the process that takes place in leaves that converts light energy into chemical energy or sugars. It occurs in the presence of chlorophyll that is present in leaves as a green pigment, carbondi oxide and water with the help of sun light. So the energy for photosynthesis come from sun light.