Question

Question 45:
(a) Photosynthesis converts energy X into energy Y. What are X and Y ?
(b) State the various steps involved in the process of photosynthesis.

Lakhmir Singh Biology Class 10

Answer 1

Here is your answer :-

✔ (a) X is sunlight energy and Y is chemical energy.
(b) The photosynthesis takes place in the following three steps;
(i) Absorption of sunlight energy by chlorophyll.
(ii) Conversion of light energy into chemical energy and splitting of water into hydrogen and oxygen by light energy.
(iii) Reduction of carbon dioxide by hydrogen to form carbohydrates like glucose by utilising the chemical energy

Answer 2

HEY MATE!!

b. ■ Absorption of light energy by chlorophyll.

■ Conversion of light energy to chemical energy.

■ Splitting of water molecules.

■ Reduction of carbon dioxide to carbohydrates.

HOPE IT HELPS YOU!!