Science

Question 1

1Which of the following returns carbon dioxide to the atmosphere?

Easy

A. respiration B. transpiration C. absorption D. photosynthesis

Question 2

2The stages in the life cycle of a frog are egg, tadpole, froglet and

Easy

A. nymph B. larva C. adult frog D. pupa

Question 3

3Which part of the flower develops into a fruit after fertilisation?

Easy

A. petal B. sepal C. anther D. ovary

Question 4

4Day and night are caused by the

Easy

A. movement of the moon B. rotation of the earth C. revolution of the earth D. clouds

Question 5

5The stages in the life cycle of a housefly are

Easy

A. egg, nymph, adult B. larva, egg, adult C. egg, larva, pupa, adult D. egg, tadpole, adult

Question 6

6The loss of water vapour from the leaves of a plant is called

Easy

A. respiration B. transpiration C. excretion D. evaporation

Question 7

7During photosynthesis, plants take in

Easy

A. hydrogen B. oxygen and give out carbon dioxide C. carbon dioxide and give out oxygen D. nitrogen

Question 8

8The process by which water vapour changes into water droplets is

Easy

A. evaporation B. freezing C. condensation D. melting

Question 9

9The process by which plants give off water vapour through their leaves is

Easy

A. respiration B. germination C. photosynthesis D. transpiration

Question 10

10Plants release oxygen during

Easy

A. germination B. photosynthesis C. respiration only D. transpiration