Many adolescent boys and girls get pimples on face, due to the secretions of _________ gland.

(a)

sweat

(b)

sebaceous

(c)

sweat and sebaceous

(d)

None of these

What kind of musical instrument is a sitar?

(a)

String instrument

(b)

Percussion instrument

(c)

Wind instrument

(d)

None of these

A magnet attracts _______.

(a)

wooden materials

(b)

any metal

(c)

copper

(d)

iron and steel

Chandrayaan - 1 was launched on

(a)

22^nd October 2008

(b)

8^th November 2008

(c)

22^nd July 2019

(d)

22^nd October 2019

The gas collected at the cathode on electrolysis of water is

(a)

oxygen

(b)

hydrogen

(c)

nitrogen

(d)

carbon dioxide

Acid mixed with base forms ________

(a)

salt and water

(b)

salt

(c)

water

(d)

No reaction

Which is known as syn gas?

(a)

Marsh gas

(b)

Water gas

(c)

Producer gas

(d)

Coal gas

Organism that control insects and pests of plant crops is

(a)

bio-pesticides

(b)

bio-fertilizers

(c)

earthworms

(d)

neem leaves

Deforestation means ______

(a)

cleaning of forest

(b)

to grow plants

(c)

to look after plants

(d)

None of these.

If the ruler is not displayed in the screen, __________ option is clicked.

(a)

View -> ruler

(b)

View -> task

(c)

File -> save

(d)

Edit -> paste