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Question

The given figure shows the longitudinal section of two flowers of the same type. Study the following statements with reference to the given figure.(i) Z and U show self-pollination, whereas Y shows cross-pollination.(ii) W. X and Z show the transfer of pollen grains that will result in fruit formation.(iii) Z shows self-pollination while X shows cross-pollination.(iv) X and Z show pollination that will result in fruit formation.(v) W X and Y show cross-pollination.Which of the given statement are true or false?

A
(i) and (iv) are true: (ii), (iii) and (v) are false
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B
Only (v) is true: rest are false
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C
(i), (ii), (iii) and (v) are true: (iv) alone is false
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D
(i), (ii) and (v) are false: (iii) and (iv) are true
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Solution

The correct option is D (i), (ii) and (v) are false: (iii) and (iv) are true(a) Z and U show self-pollination whereas in Y there is no cross-pollination, as the transfer according to the picture occurs from the anther of one flower to another. So, it is true.(b) W, X shows cross-pollination so there will be no fruit formation and in Z there occurs self- pollination, so there will be no fruit formation. So, it is false.(c) Here, Z shows self-pollination while X shows cross-pollination. So, its true.(d) Here, X and Z both show pollination so that will result in fruit formation.(e) Here, W X and Y all of them show cross-pollination, from the stamen of one flower to another flower.So, the correct option is 'Option D'.

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