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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 6228 Points
2 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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