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प्रश्न
Assertion (A): All food chains begin with herbivores.
Reason (R): Green plants are heterotrophs.
विकल्प
A is True and R is False.
A is False and R is True.
Both A and R are True.
Both A and R are False.
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उत्तर
Both A and R are False.
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संबंधित प्रश्न
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow : 
Draw a neat, labelled diagram of an experimental steup to show that oxygen is released during photosynthesis
State the main functions of the following:
Cytokinins
Match the terms of column I with those in column II:
| Column I | Column II |
| (i) Stomata closed | (a) decomposers |
| (ii) Autotrophs | (b) light reaction |
| (iii) By-products of photosynthesis | (c) animals |
| (iv) Photolysis | (d) during night |
| (v) Bacteria and fungi | (e) green plants |
| ( f) oxygen |
The diagram alongside represents an experiment conducted to prove the importance of a factor in photosynthesis.
Study the same and then answer the questions that follow:
(i) Name the factor being studied in his experiment.
(ii) Why was the plant kept in a dark room before conducting the experiment?
(iii}Why was the experimental leaf then kept in
1. boiling water 2. methylated spirit?
(iv) Name the solution used to test for the presence of starch in the leaf.
(v) What will we observe in the experimental leaf at the end of the starch test?
(vi) Give a balanced chemical equation to represent the process of photosynthesis.
The production of starch, and not glucose, is often used as a measure of photosynthesis in leaves because
Identify the false statements and rewrite them correctly by changing the first or last word only.
Algae are autotrophs.
Explain the term Phosphorylation.
The raw materials for photosynthesis are ______ and ______.
Mention four factors required for photosynthesis?
Define the following term:
Photolysis of water
