Define heliophytes and sciophytes. Name a plant from your locality that is either heliophyte or sciophyte.
Heliophytes are photophilous or sun loving plants which grows in strong sunlight. For example: sunflower, mango etc.
Sciophytes are photophobic or shade loving plants which grows in shade. Example: Abies, Taxus etc.
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Heliophytes |
Sciophytes |
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Small, narrow, thick and linear leaves, internodes are short. |
Large, broad and thin leaves, internodes are long. |
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Have high rate of transpiration. |
Have low rate of transpiration. |
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They are profusely branched having thick and hard stem with well- developed extensive root system and contains sunken stomata. |
They are sparsely branched having thin and soft stem with few roots and contains surface stomata. |
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Palisade tissue is well developed. |
Spongy tissue is well- developed. |
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The chlorophyll ratio a to b is very much higher. |
The chlorophyll ratio a to b is little lesser than that of heliophytes. |
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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 4: Define heliophytes and sciophytes. Name a plant from your locality that is either heliophyte or scio....
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