48. Leaves, in particular, have evolved some remarkable modifications that adapt

Question

48. Leaves, in particular, have evolved some remarkable modifications that adapt them to their surroundings. Which of the following is NOT one of them? a. asexual reproductive (plantlet) leaves b. insectivorous leaves c. fruit-bearing leaves d. shade versus sun leaves 49. The onion is an example of a a. tuber b. rhizome c. modified root d. modified leaf 50. Conifers and pines both have needlelike leaves. Why might their leaves be of this type? a. to increase surface area for photosynthesis b. to increase surface area for gas exchange c. to decrease surface area for gas exchange d. to decrease surface area for water loss

Explanation / Answer

48. A. Can be seen in bryophillum .

B. Insectivorus leave can be seen in pitcher plan.

D. Also seen in plants which helps plants for photosynthesis .

C. Is incorrect. Fruit bearing leaves is not correct one.

49.onion is a kind of leaf modification. Storage leaves are modified as onion. So option d is correct .

50. These needle like structures how's the plant to loos less water in transpiration.

So option d is correct.

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