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Question
Chlorophyll in a leaf is required for
Options
breaking down water into hydrogen and oxygen
emitting green light
trapping light energy
storing starch in the leaves
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Solution
trapping light energy
RELATED QUESTIONS
Choose the correct answer:
Which one of the following features of plant leaves plays an important part in photosynthesis?
Choose the correct answer:
A cell that lacks chloroplast does not ______________
Identify the false statement and rewrite it correctly by changing the first or last word only.
Photosynthesis occurs only in cells containing chloroplasts.
Differentiate Between:
Chloroplast and Chlorophyll
The figure below represents an experiment performed to demonstrate a particular aspect of photosynthesis. The apparatus was kept in sunlight for almost the whole day. The numeral ‘1’ represents a certain condition inside the flask and the numeral ‘2’ represents a chemical responsible for this condition.
(i) What is the object of the experiment?
(ii) What is the special condition inside the flask?
(iii) What is the chemical substance numbered ‘2’?
(iv) In what way will the three leaves (A, B, and C) differ at the end of the experiment, when tested with iodine solution?
A well-watered healthy potted plant with variegated leaves was kept in darkness for about 24 hours. It was then set up as shown in the diagram and exposed to light for about 12 hours. At the end of this time, leaf X and leaf Y were tested for starch. Study the diagram and answer the questions that follow:
(i) Why was the plant initially kept in darkness for 24 hours?
(ii) What is the function of the sodium hydroxide solution in the flask?
(iii) Select the correct leaf from the five available choices shown in the diagram as A, B, C, D, and E. Rewrite the correct answer for the filling in the appropriate letter from the questions that follow:
1. After the starch test, leaf X would look like.
2. After the starch test, leaf Y would look like.
Draw a neat and well-labeled diagram of the Chloroplast.
Give technical term:
Name the structure where photophosphorylation takes place.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
CO2 is the life-supporting gas produced due to photosynthesis.
Mention the significance of the following mineral:
Magnesium for green plants.
