Question 9.1
State whether the following statements are true or false. If false, correct them.
Plants consume oxygen for respiration.
True
Question 9.4
Air does not occupy any space.
Question 12 (a)
State whether the following statements are True or False. If false, correct them. (a) Silkworms are caterpillars of silk moth.
State whether the following statements are true or false. If false, correct them.
(a) Plants consume oxygen for respiration.
(b) Plants produce oxygen during the process of making their own food.
(c) Air helps in the movements of sailing yachts and gliders but plays no role in the flight of birds and aeroplanes.
(d) Air does not occupy any space.
(a) Plants consume oxygen for respiration.
(b) Plants produce oxygen during the process of making their own food.
(c) Air helps in the movements of sailing yachts and gliders but plays no role in the flight of birds and airplanes.
(d) Air does not occupy any space.