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प्रश्न
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.
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उत्तर
(a) Photosynthesis, a potted plant is placed in dark for 48 hours to (b) destarch the leaves. A part of a leaf is inserted into a conical flask containing potassium hydroxide solution. This is to absorb (c) carbon dioxide 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) colourless, whereas the part of the left outside turns (e) blue-black in colour.
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संबंधित प्रश्न
Differentiate between the following pairs on the basis of what is indicated in the brackets.
Leaf and Liver [form in which glucose is stored]
The specific function of light energy in the process of photosynthesis is to
Mention one difference between the following on the basis of what is given in bracket.
Producers and consumers (mode of nutrition)
"Oxygen is a waste product of photosynthesis." Comment.
Complete the following food chains by writing the names of appropriate organisms in the blanks:
Grass → ______ → Snake → ______
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.
Explain the term Photosynthetic Membrane.
Name the following:
The process by which plants produce their food.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Photosynthesis can also occur n artificial light such as that of a 100-watt electric lamp.
The minerals like nitrogen, potassium, and phosphorus, which are required in substantial quantity by the plants are called ______.
