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1. Name the following:

(a) The category of organisms that prepare their own food from basic raw materials.

(b) The kind of plastids found in the mesophyll cells of the leaf.

(c) The compound which stores energy in the cells.
(d) The first form of food substance produced during photosynthesis.

(e) The organisms that can be called “natural purifiers” of the air.

 (f) The source of carbon dioxide for aquatic plants.
(g) The part of chloroplast where the dark reaction of photosynthesis takes place.(h) The tissue that transports manufactured type of starch from leaves to all parts of the plants

Solution –

(a) The category of organisms that prepare their own food from basic raw materials.
answer – autotrophs or producers are the organisms that prepare their own food from basic raw materials

(b) The kind of plastids found in the mesophyll cells of the leaf.
answer – chloroplasts

(c) The compound which stores energy in the cells.
answer – ATP (Adenosine triphosphate) stores energy in the cells.


(d) The first form of food substance produced during photosynthesis.
answer – glucose

(e) The organisms that can be called “natural purifiers” of the air.
answer – green plants

 (f) The source of carbon dioxide for aquatic plants.
answer – the carbon dioxide which is dissolved in water


(g) The part of chloroplast where the dark reaction of photosynthesis takes place.
answer – stroma

(h) The tissue that transports manufactured type of starch from leaves to all parts of the plants

Answer –  phloem