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Question
The specific function of light energy in the process of photosynthesis is to
Options
reduce carbon dioxide
synthesise glucose
activate chlorophyll
split water molecule
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Solution
activate chlorophyll
RELATED QUESTIONS
The diagrams given below represent the relationship between a mouse and a physiological process that occurs in green plants. Study the diagrams and answer the questions that follow
(i) Name the physiological process occurring in the green plant that has kept the mouse alive.
(ii) Explain the physiological process mentioned above.
(iii) Why did the mouse die in bell jar B?
(iv) What is the significance of the process as stated in (i) for life on earth?
(v) Represent the above mentioned physiological process in the form of a chemical equation.
Fill in the blank:
Xanthophyll is ______ coloured pigment.
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.
Mention one difference between the following on the basis of what is given in bracket.
Grass and grasshopper (mode of nutrition)
All life on earth Would come to an end if there were no green plants.
Give technical term:
What is the percentage of CO2 in the air?
Give technical term:
What does NADP stand for?
Write the functional activity of the following structure:
Stroma
Read the following sentences about photosynthesis:
- Sunlight, carbon dioxide, chlorophyll and water are necessary.
- Oxygen is absorbed.
- Leaves carry out photosynthesis.
- Proteins are made during photosynthesis.
Choose the correct pair of sentences that are true to photosynthesis.
Plants may inhale carbon dioxide for photosynthesis but need ______ for their living.
