Question 12 (e)
State whether the following statement is true or false. If false, correct it. Yak hair is not used to make woolen fabric.
State whether the following statements are True or False. If false, correct them. [5 MARKS] (a) Yak hair is not used to make woolen fabric. (b) In the process of obtaining wool from fleece, sorting is done after scouring. (c) The rearing of silkworms for obtaining silk is called silviculture. (d) In India, camels and goats are generally reared for obtaining wool. (e) Silkworms are caterpillars of the 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.
Question 9.4
State whether the following statements are true or false. If false, correct them.
Air does not occupy any space.