Question

C.
All living organisms require food to get energy, to grow and do work.
Plant nutrition is of two kinds-autorophic and heterotrophic.
Green plants are called autotrophs because they can prepare their own food by the process of
photosynthesis.
Green plants require carbon dioxide, water, sunlight and chlorophyll for photosynthesis.
* Heterotrophic plants are of four kinds - parasitic, saprophytic, insectivorous and symbiotic plants.
A symbiotic association of Rhizobium and leguminous plants is a natural way of replenishing nitrogen in
the soil.
D
Let's Recall
A. Multiple Choice Questions (MCQs).
1. Which of the following is not essential for photosynthesis?
(a) Light
(b) Chlorophyll
(c) Carbon dioxide
(d) Oxygen
12 Science-7
13:21W ROHSHME​

Answer 1

Answer:

chlorophyll

Explanation:

chlorophyll is not essential for photosynthesis

Answer 2

Answer:

D oxygen

Explanation:

plants prepar there food with the process of photosynthesis