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प्रश्न
Choose the Correct Answer:
Which would do maximum harm to a tree?
विकल्प
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
The diagram below shows two test-tubes A and B. Test-tube A contains a green water plant. Test-tube B contains both a green water plant and a snail. Both testtubes are kept in sunlight. Answer the questions that follow:
(i) Name the physiological process that releases the bubbles of oxygen.
(ii) Explain the physiological process as mentioned above in Q2 (a)(i).
(iii) What is the purpose of keeping a snail in test-tube ‘B’?
(iv) Why does test-tube ‘B’ have more bubbles of oxygen?
(v) Given an example of a water plant that can be used in the above process.
(vi) Write the overall chemical equation for the above process.
Differentiate between the following pairs on the basis of what is indicated in the brackets.
Leaf and Liver [form in which glucose is stored]
Mention any two points in which photosynthesis and respiration in plants are opposite to each other.
Fill in the blanks:
The end products of photosynthesis are ______ and ______.
Mention one difference between the following on the basis of what is given in bracket.
Producers and consumers (mode of nutrition)
Complete the following sentence with appropriate word:
Xanthophyll is ______ coloured pigment.
Photosynthesis converts energy X into energy Y.
- What are X and Y?
- Green plants are autotrophic in their mode of nutrition. Why?
To which directional stimuli do
- roots respond
- shoots respond?
Only green plants have the unique capacity to release ______ into the atmosphere.
Given below are groups of terms. The first pair indicates the relationship between the two terms. Complete the second pair accordingly.
Producers : Autotrophs : : Consumers : ______
