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प्रश्न
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.
Is there any control in this experiment? If so, state it.
उत्तर
Yes. The other uncovered leave of the potted plant act as a control.
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संबंधित प्रश्न
Complete the following paragraph by filling in the blank (1) to (5) with appropriate words:
To test a leaf for starch, the leaf is boiled in water to (1) _________. It is then boiled in Methylated spirit to (2) ________. The leaf is dipped in warm water to soften it. It is placed in a petri dish, and (3) _____ solution is added. The region of the leaf which contains starch, turns (4) ________and the region while does not contain starch, turns (5) __________.
Expand the following biological abbreviations :
ATP
Answer the following:
Give the overall chemical equation of photosynthesis in green plants.
Answer the following:
Mention two significant advantages of photosynthesis to the living world as a whole.
Define the following:
Plant pigments
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
Photosynthesis results in a gain in dry weight.
Choose the correct answer:
Which one of the following is the best reason for leaving a plant in a dark place before carrying out experiments on photosynthesis?
Name the following:
The first form of food substance produced during photosynthesis.
What is meant by the photolysis of water?
Explain the Term NADPH.
Give technical term:
Name the process which is responsible for the conversion of solar energy to chemical energy that is essential to sustain life on this earth?
Give technical term:
In photosynthesis radiant energy is converted into which from?
Choose the Correct Answer:
Which one of the following would not be a limiting factor for photosynthesis?
Choose the correct option.
In presence of high concentration of oxygen, RuBP carboxylase converts RuBP to ______.
Which one of the following is a primary producer?
Mesophyll contains chlorophyll.
Chlorophyll in a leaf is required for ______.
The raw materials for photosynthesis are ______ and ______.
Give an example for micronutrients.
