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

1 .

Carbon dioxide is produced by all of the following except

A)

Cement production

B)

Burning fossil fuels

C)

Global warming

D)

Deforestation

Correct Answer : Global warming

2 .

The major ingredient of leather is

A)

Carbohydrate

B)

Collagen

C)

Polymer

D)

Nucleic acid

Correct Answer : Collagen

3 .

Allium Cepa is the scientific name of

A)

Potato

B)

Carrot

C)

Onion

D)

Tomato

Correct Answer : Onion

The onion (Allium cepa L., from Latin cepa "onion"), also known as the bulb onion or common onion, is a vegetable that is the most widely cultivated species of the genus Allium.

4 .

Precipitation in the form of a mixture of rain and snow is called

A)

Snow

B)

Drizzle

C)

Hail

D)

Sleet

Correct Answer : Sleet

5 .

__________ acts as a shield absorbing ultraviolet radiation from the sun.

A)

Stratosphere

B)

Ozone hole

C)

Greenhouse

D)

Chlorofluorocarbons

Correct Answer : Stratosphere

6 .

______ is the time taken by the earth to return to a given point in its orbit with reference to a fixed star.

A)

Solar year

B)

Sidereal year

C)

Lunar year

D)

Tropical year

Correct Answer : Sidereal year

7 .

Marble is a metamorphic rock of _______

A)

Clay

B)

Granite

C)

Sandstone

D)

Limestone

Correct Answer : Limestone

8 .

The material carried by the glacier such as rocks big and small, sand and silt gets deposited, which are called glacial ________

A)

deltas

B)

grooves

C)

moraines

D)

plateaus

Correct Answer : moraines

9 .

What is the sound made by seal called?

A)

Moo

B)

Bark

C)

Growl

D)

Screech

Correct Answer : Bark

10 .

What is the name of the acid in an ant's sting?

A)

Formic acid

B)

Acetic acid

C)

Citric acid

D)

Lactic acid

Correct Answer : Formic acid

Formic acid, a component of ant venom uncommon in bee or wasp stings, is derived from the superfamily name Formicidae.