Give reasons (AST)
a) Why photosynthesis is considered as the basic ene
b) Why is it right to call the dark phase of photosynt
c) Why is it necessary to destarch a plant before perf
d) Why is not possible to demonstrate respiration in
pign Give examples (ASI)
a) Digestive enzymes
b) Organ
ndic) Vitamins
d) Nutri
From where do plants get the raw materials required
Explain the process of photosynthesis in with the he
Name three end products of photosynthesis? (ASI
Answers
Answer:
a)Photosynthesis is the basic source of energy as plants can make food by using inorganic materials with the help of water and sunlight. They provide food to other animals that cannot make their own food by the process called photosynthesis. And hence they store foods in the form of carbohydrates
b) While sunlight is used during the light reactions to produce ATP and the electron carrier NADPH, the dark reactions use these products to complete photosynthesis without the use of light energy.So dark phase of photosynthesis can be called as a light independent phase
c)It is necessary to destarch a plant before performing photosynthesis experiment because the amount of starch formed during the experiment should be validated. Plants produce starch through an important process called photosynthesis with the help of the chlorophyll pigment that is present in the leaves
d)The raw materials of photosynthesis, water and carbon dioxide, enter the cells of the leaf, and the products of photosynthesis, sugar and oxygen, leave the leaf. Cross section of a leaf, showing the anatomical features important to the study of photosynthesis: stoma, guard cell, mesophyll cells, and vein.
Answer:
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