Q17. Read the following and answer any four questions from 17 (1) to 17 (v).
In photosynthesis light energy is absorbed by chlorophyll, the same is converted into chemical energy, light energy is also used in splitting of water into hydrogen and oxygen, called as Photosynthesis. Reduction of CO, into carbohydrate in desert plants, light energy is available during the day time, while co, is available at night, when stomatas are open. These plants convert CO, into organic form during night 170). Photosynthesis means
(a) Preparation of food by non green
(b) Preparation
(c) Both
(d) None
plants
of food by green plants
17(). Major function of Chlorophyll is
(a) To break fats
(b) Absorb starch (c) Absorb light energy
(d) None
17(i). What is photolysis?
(a) Break down of CO,
(b) Break down of H;0 Into
(c) Break down of starch
(d) All of above
hydrogen and oxygen
17(iv). What is formed in photosynthesis?
(a) Proteins
(b) Fats
(c) Carbohydrates
(a) All of above
17(v). Desert plants absorb CO
(a) At day time (b) In early morning
(c) When their stomata closes (d) At night time when their stomata opens
Answers
Answered by
1
Answer:
170 B
171 c
17(i) B
17(iv)C
17(v)D
Explanation:
Answered by
1
Answer:
17 (i) b) preparation of food by green plants
17 (ii) c) absorb light energy
17 (iii) b) breakdown of H2O into hydrogen and oxygen
17 (iv) c) carbohydrates
17 (v) d) at night time when their stomata opens
Similar questions