Question

Multiple choice questions.
(i) Which one of the following is included in biosphere?
(a) only plants (c) only animals
(b) all living and non-living organisms (d) all living organisms
(ii) Tropical grasslands are also known as :
(a) the prairies (c) the steppes
(b) the savannas (d) none of the above
(iii) Oxygen combines with iron found in the rocks to form :
(a) iron carbonate (c) iron oxides
(b) iron nitrites (d) iron sulphate
(iv) During photosynthesis, carbon dioxide combines with water in the
presence of sunlight to form :
(a) proteins (c) carbohydrates
(b) amino acids (d) vitamins

Answer 1

Answer

1.all living organism

2.

3.

d.

Answer 2

(i). The following is included in biosphere answer : (b) all living and Non-living organisms

(ii). Tropical grasslands are also known as answer : (b) the savannas (iii) oxygen combines with iron found in the rocks to from : answer : (c) iron oxides (iv) answer :(c) carbohydrates