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Which among the following statements are true for unisexual flowers? [NCERT Exemplar] I. They possess both stamen and pistil. II. They possess either stamen or pistil. III. They exhibit cross-pollination. IV. Unisexual flowers possessing only stamens cannot produce fruits. (a) I and IV (b) II, III and IV (c) III and IV (d) I, III and IV

Which among the following statements are true for unisexual flowers? [NCERT Exemplar]
I. They possess both stamen and pistil.
II. They possess either stamen or pistil.
III. They exhibit cross-pollination.
IV. Unisexual flowers possessing only stamens cannot produce fruits.
(a) I and IV
(b) II, III and IV
(c) III and IV
(d) I, III and IV

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 25799 Points
11 months ago
(b) The flowers which are unisexual (papaya, watermelon) contain either stamens or carpels. Since, only one reproductive organ is present in them, they depend on cross-pollination to form zygote after fertilisation. Both stamens and carpels are required for fertilisation, so only one of them cannot produce fruits.

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