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प्रश्न
Choose the Correct Answer:
Which would do maximum harm to a tree?
पर्याय
Loss of half of its branches
Loss of half of its flowers
Loss of all of its leaves
Loss of a little bark
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उत्तर
Loss of all of its leaves
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संबंधित प्रश्न
Give one example of An aquatic plant used in the laboratory to demonstrate O2 liberation during photosynthesis
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow :
Explain the process of Photosynthesis.
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
Land plants obtain their carbon dioxide from the atmosphere.
Are the following statement true or false? Give reason in support of your answer.
The starting point of carbon cycle is the release of carbon dioxide by animals during respiration.
Name the following:
The process by which plants produce their food.
Give technical term:
What is the percentage of CO2 in the air?
Planting trees help in decreasing global warming.
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.
Assertion (A): All food chains begin with herbivores.
Reason (R): Green plants are heterotrophs.
