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प्रश्न
Assertion (A): All food chains begin with herbivores.
Reason (R): Green plants are heterotrophs.
पर्याय
A is True and R is False.
A is False and R is True.
Both A and R are True.
Both A and R are False.
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उत्तर
Both A and R are False.
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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) __________.
Define the following:
Plant pigments
What is meant by photosynthesis? Why is it so important in nature?
Choose the correct answer:
In a typical leaf, photosynthesis occurs mainly in ___________
Explain the Term NADPH.
Explain the term Photosynthetic Membrane.
What will happen if you breathe through mouth?
Higher Order Thinking Skill.
Imagine that student A studied the importance of certain factors in photosynthesis. He took a potted plant and kept it in dark for 24 hours. In the early hours of the next morning, he covered one of the leaves with dark 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?
- Why was the plant kept in the dark before the experiment?
- How will you prove that starch is present in the leaves?
- Name the raw materials needed for photosynthesis.
Distinguish between the following pairs on the basis of the word indicated in the bracket ( ).
Producers and Consumers (organisms)
