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Question
Choose the correct option.
A cell that lacks chloroplast does not ______.
Options
evolve carbon dioxide
liberate oxygen
require water
utilize carbohydrates
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Solution
A cell that lacks chloroplast does not liberate oxygen.
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RELATED QUESTIONS
How does carbon dioxide return to the atmosphere? Explain.
A student in order to study the importance of certain factors of photosynthesis took a potted plant and kept it in the dark for over 24 hours. Then in the early hours of the morning the student covered one of the leaves with black paper in the centre only. Student placed the potted plant in the sunlight for a few hours, and then tested the leaf which was covered with black paper for starch.
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(ii) Is there any control in this experiment? If so, state the name.
(iii) Why was the plant kept in the dark before the experiment?
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Complete the following by filling in the blanks numbered 1 to 10 with the appropriate word/term:
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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?
The figure given below is for performing an experiment on photosynthesis.
Answer the following:
(i) What is the aim of this experiment?
(ii) Describe an experiment to show that light is necessary for photosynthesis.
(iii) What do you conclude from this experiment?
(iv) What is the role of light in photosynthesis?
Give technical term:
What does NADP stand for?
Choose the Correct Answer:
Which would do maximum harm to a tree?
Oxygen is used for the synthesis of protein and fertilizers.
The role of chlorophyll is to absorb light from the sun.
Name the minute openings seen on the lower surface of the leaf.
Give an example for micronutrients.
