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

1 .

Sugar in blood and urine is tested with

A)

Benedict's solution

B)

Brine solution

C)

Hypo solution

D)

Iodine solution

Correct Answer : Benedict's solution

2 .

The plant type which colours the ocean surface water red is

A)

Golden algae

B)

Dinoflagellates

C)

Green algae

D)

Red algae

Correct Answer : Dinoflagellates

3 .

What is the name given to forces that shape and reshape the earth's crust

A)

Exogenetic

B)

Tectonic

C)

Diastrophic

D)

Erosion

Correct Answer : Diastrophic

Constructive forces include crustal deformation, volcanic eruption, and deposition of sediment, while destructive forces include weathering and erosion.

4 .

Which one of the following is not an explosive matter

A)

Nitrocholoform

B)

Trinitro toluene

C)

Dinitro glycerine

D)

Cyclo Trimethylene trinitramine

Correct Answer : Nitrocholoform

5 .

When electrical brain waves have ceased, this is called

A)

Electrolysis

B)

Electroshock

C)

Suicide

D)

Brain death

Correct Answer : Brain death

6 .

The study of brain is called

A)

Phrenology

B)

Pathology

C)

Nephrology

D)

Neurology

Correct Answer : Phrenology

Phrenology (from Ancient Greek φρÎ®ν (phrÄ“n) 'mind', and λÏŒγος (logos) 'knowledge') is a pseudoscience which involves the measurement of bumps on the skull to predict mental traits. ... Phrenological thinking was influential in the psychiatry and psychology of the 19th century.

7 .

Oxygen released during photosynthesis comes from

A)

Sugar

B)

Water

C)

Pyruvic acid

D)

Co2

Correct Answer : Water

The oxygen released during photosynthesis is from the water. The plants will absorb water as well as carbon dioxide during photosynthesis. Later these water molecules are converted into oxygen and sugar. The oxygen is then released into the atmosphere whereas the sugar molecules are stored for energy.

8 .

Which nitrogenous bases pair together?

A)

adenine with thymine (in DNA)

B)

guanine with cytosine

C)

Both (a) & (b)

D)

Guanine with uraci

Correct Answer : Both (a) & (b)

9 .

The first thing to be affected by alcohol is

A)

Senses

B)

Brain center

C)

Judgement

D)

None of the above

Correct Answer : Judgement

The first thing to be affected by alcohol is Judgement followed by brain center and senses like smell, taste, vision, etc...

10 .

Name the elements that determine the weather of a place.

A)

Humidity

B)

Rainfall

C)

Temperature

D)

All of the above

Correct Answer : All of the above

The elements that determine the weather of a place are temperature, humidity, rainfall and wind.