Question

Choose the correct word from those given in the

parentheses : 5

(a) Light year is the unit of (distance/time).

(b) Carbon dioxide is utilised during

photosynthesis and released during

(transpiration/respiration).

(c) Nuclear (fission/fusion) is the splitting of a

large nucleus into two nuclei.

(d) (Circulatory/Immune) system in our body

protects us from invasion of germs.

(e) The entry point of solar energy in an

ecosystem is (producer/herbivore).

Answer 1

a) distance
b) respiration
c) fission
d) immune
e) producer