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प्रश्न
Choose the correct option.
A cell that lacks chloroplast does not ______.
पर्याय
evolve carbon dioxide
liberate oxygen
require water
utilize carbohydrates
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उत्तर
A cell that lacks chloroplast does not liberate oxygen.
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संबंधित प्रश्न
Mention the exact location of the following :
Thylakoids
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow :
Give a balanced chemical equation to represent the process of photosynthesis.
An experiment was set up as shown in the figure alongside. Look at the figure and answer the following questions:
( i) What is the objective of this experiment?
( ii ) Which plant is used in this experiment?
( iii ) Which gas is evolved in this process?
( iv ) What will happen to the rate of evolution of this gas if a pinch of sodium
bicarbonate is added?
(v ) What will happen if the apparatus is kept in dark?
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
Photosynthesis occurs in underground organs as well as in aerial ones.
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.
What aspect of photosynthesis was being investigated?
Name the following:
The immediate product of photosynthesis.
Choose the correct option.
For fixing one molecule of CO2 in Calvin cycle _______ are required.
Label the diagram with the raw materials and products of photosynthesis.
Study the diagram given below and fill in the blanks with suitable words:
In order to prove that carbon dioxide is necessary for
(a) ______, a potted plant is placed in dark for 48 hours to (b) ______ the leaves. A part of a leaf is inserted into a conical flask containing potassium hydroxide solution. This is to absorb (c) ______ from the flask. The plant is then placed in sunlight for a few hours. The experimental leaf is tested for starch. The part of the leaf that was inside the conical flask turns (d) ______, whereas the part of the left outside turns (e) ______ in colour.
