Advertisements
Advertisements
Question
Choose the Correct Answer:
A plant is kept in a dark cupboard for about 48 hours before conducting any experiment on photosynthesis to:
Options
Remove starch from the plant
Ensure that starch is not translocated from the leaves
Remove chlorophyll from the leaf of the plant
Remove starch from the experimental leaf
Advertisements
Solution
Ensure that starch is not translocated from the leaves
RELATED QUESTIONS
Formalin, Iodine, DDT, Lime
The diagram below shows two test-tubes A and B. Test-tube A contains a green water plant. Test-tube B contains both a green water plant and a snail. Both testtubes are kept in sunlight. Answer the questions that follow:
(i) Name the physiological process that releases the bubbles of oxygen.
(ii) Explain the physiological process as mentioned above in Q2 (a)(i).
(iii) What is the purpose of keeping a snail in test-tube ‘B’?
(iv) Why does test-tube ‘B’ have more bubbles of oxygen?
(v) Given an example of a water plant that can be used in the above process.
(vi) Write the overall chemical equation for the above process.
Choose the correct answer:
In a typical leaf, photosynthesis occurs mainly in ___________
Write the functional activity of the following structure:
Thylakoids
Choose the correct option.
In presence of high concentration of oxygen, RuBP carboxylase converts RuBP to ______.
What will happen if you breathe through mouth?
Higher Order Thinking Skill.
Imagine that student A studied the importance of certain factors in photosynthesis. He took a potted plant and kept it in dark for 24 hours. In the early hours of the next morning, he covered one of the leaves with dark 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.
- What aspect of photosynthesis was being investigated?
- Why was the plant kept in the dark before the experiment?
- How will you prove that starch is present in the leaves?
- Name the raw materials needed for photosynthesis.
Chlorophyll in a leaf is required for ______.
Arrange and rewrite the terms in the group in the correct order to be in a logical sequence beginning with the term that is underlined:
Snake, Rabbit, Cabbage, Hawk.
