Q. 1093.5( 4 Votes )

An organism A which cannot move from one place to another, makes a simple food B from the substances C and D available in the environment. This food is made in the presence of a green coloured substance E present in organs F in the presence of light energy in a process called G. Some of the simple food B also gets converted into a complex food H for storage purposes. The food H gives a blue-black colour with dilute iodine solution.

(a) What is (i) organism A (ii) food B, and (iii) food H ?

(b) What are C and D?

(c) Name (i) green coloured substance E, and (ii) organ F.

(d) What is the process G?

Answer :


(i) Green plant (A) cannot move from one place to another.

(ii) Green plant makes food glucose (B).

(iii) Glucose (B) gets converted into a complex food, starch (H).

(b) Plant can make own food from the simple substances carbon dioxide (C) and water (D).

(c) Green pigment called chlorophyll (E) present in the leaves of the plant.

(d) The process by which green plants make their own food is called photosynthesis (G).

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