Question

What adaptations has a leaf undergone to carry out photosynthesis?

Answer 1

The proper points to this answer are:-

(i) Leaves provide large surface area for maximum light absorption.

(ii) Leaves are arranged at right angles to the light source in a way that causes overlapping.

(iii) The extensive network of veins enables quick transport of substance to and from the mesophyll cells.

(iv) Presence of numerous stomata for gaseous exchange.

(v) The chloroplast are more i number on the upper surface of leaves to absorb more light energy.

                                                                                                                                                 

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Answer 2

. sunlight

. chlorophyll = sunlight absorb by chlorophyll

. co2 = enter through stomata and oxygen is released as by product through stomata on leaf

. water = water + dissolve minerals like nitrogen , phosphorus etc. are taken up by the roots of the soil


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