Question

Q-1. Multiple choice questions:
(5 M)
1. Rabi crops do not depend on
for growth
a) irrigation
b) monsoon
)
C) manures
d) fertilisers
2. Our atmosphere has % of Nitrogen gas
a) 78 b) 22 c) 73 d) 27
3. Synthetic fibres which are used to make blankets.
a) Acrylic
b) Nylon
c) Rayon
d) Polyester
4. Oxides of non-metals are
in nature
a) basic
b) acidic
c) both a and b
d) none
5. Non-metals like chlorine is used in
purification process
a) a
b) water
c) hydrogen
d) oxygen
Q-2(A). Define the following terms:
(3 M)
1. Malle ability
2. Fermentation
3. Ductility​

Answer 1

Answer:

1.b

2.78

3.acrylic

4 acidic

5 water

2

1 - the state of being malleable, or capable of being shaped, as by hammering or pressing

2. -the process or state of breaking or being broken into fragments.

3.the quality or state of being ductile especially : the ability of converting material into thin wires

Answer 2

Answer:

monsoon

78 percent

polyester

acidic

oxygen

malleability : drawn metals into thin sheets

fermentation : it is the process of breakdown of substance in the absence of oxygen by anaerobic bacteria

ductility: drawn metals into wires