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Question
Name the following:
Source of oxygen given out in photosynthesis.
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Solution
Water
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RELATED QUESTIONS
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 |
Mention one difference between the following on the basis of what is given in bracket.
Respiration and photosynthesis (gas released)
A candidate studied the importance of certain factors in photosynthesis. He took a potted plant and kept in the dark for over 24 hours. In the early hours of the next morning, he covered one of the leaves with black paper in the centre only. Then he placed the plant in sunlight for a few hours and tested the leaf which was covered with black paper for starch.
Why was the plant kept in the dark before the experiment?
What is the importance of photosynthesis in the life of the following:
Non-green plants
The figure below represents the vertical section of a leaf:
(i) Name the parts 1 to 5.
(ii) How many veins have been shown?
(iii) State the functions of parts 4 and 5.
Choose the Correct Answer:
A plant is kept in a dark cupboard for about 48 hours before conducting any experiment on photosynthesis to:
During photosynthesis, ________ is produced and stored in the leaf.
What is photosynthesis and wherein a cell does occur?
Given below are groups of terms. The first pair indicates the relationship between the two terms. Complete the second pair accordingly.
Producers : Autotrophs : : Consumers : ______
Define the following term:
Photolysis of water
