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प्रश्न
Are the following statement true or false? Give a reason in support of your answer.
If you immerse a leaf intact on the plant in ice cold water, it will continue to photosynthesise in bright sunshine.
पर्याय
True
False
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उत्तर
This statement is false.
Explanation:
Ice cold water will hamper the process of photosynthesis in the immersed leaf, even if there is sufficient sunshine, because temperature is an important factor in the rate of photosynthesis.
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संबंधित प्रश्न
Fill in the blank:
______ is the process which replenishes the atmospheric oxygen which the animal life consumes in respiration.
Identify the false statement and rewrite it correctly by changing the first or last word only.
Green plants perform photosynthesis.
Explain, why respiration is said to be a reversed process of photosynthesis?
Write the functional activity of the following structure:
Granum
Choose the Correct Answer:
A plant is kept in a dark cupboard for about 48 hours before conducting any experiment on photosynthesis to:
Fill in the blank by rearranging the letter in the bracket.
Pigment involved in the food synthesis is _________ (phllylochor).
Gas exchange takes place in plants using _____.
Give an example for micronutrients.
A potted plant with variegated leafes was kept in dark for 24 hours and then placed in bright sunlight. Answer the following questions.
- Which aspect of photosynthesis is being tested in the above diagram?
- Why was the plant kept in the dark for 24 hours?
- After the starch test, what will be the colour of the yellow and green parts of the leaf? Give reasons to support your answer.
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.
