Give reasons
1) plants look green
2) nutrition is necessary for an organism
3) we boil the leaf in alcohol when we are testing it for starch
Answers
HEYAA!! Here is the answer you've been looking for:
(1) The leaves of plants contain green pigments called chlorophyll which is necessary for photosynthesis. Plants reflect green light of sunlight, so they look green.
(2) An organism requires nutrients like carbohydrates, fats, proteins, minerals and vitamins for the growth, reproduction and metabolic activities, so nutridon is necessary for an organism.
(3) We boil the leaf in alcohol to remove chlorophyll from green leaf.
Answer:
1 ) due to the presence of a green pigment called chlorophyll the plants mostly appears green.
2) as from nutrition the organism gets energy to carry out various life processes in order to sustain life.
3) it is generally done as to test the presence of starch the result is decided by the colour and and by boiling the leaf in alcohol it removes the green pigment chlorophyll which makes the leaf colourless and it becomes easy to get the result.
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