Which of the following is incorrect with respect to types of flowers?

Bisexual flowers possess both androecium and gynoecium

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Unisexual flowers are complete flowers.

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Complete flowers possess all four whorls.

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Unisexual flowers possess only one reproductive whorl, either androecium or gynoecium.

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Solution

The correct option is B Unisexual flowers are complete flowers.
Complete flowers are flowers in which all four whorls, that is, androecium, gynoecium, calyx, and corolla, are present. Bisexual flowers have both male and female reproductive structures, that is, androecium and gynoecium. Unisexual flowers have either the male or the female reproductive structure, that is, either androecium or gynoecium. Since unisexual flowers have either one of the reproductive structures, or whorls, missing, they cannot be considered to be a complete flower.

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Similar questions

Q. Which among the following statements are true for unisexual flowers?
(a) They possess both stamen and pistil.
(b) They possess either stamen or pistil.
(c) They exhibit cross-pollination.
(d) Unisexual flowers possessing only stamens cannot produce fruits.

Q. Flowers with both androecium and gynoecium are known as_________.

Q. Bisexual flowers have either androecium or gynoecium.

Question 17
Which of the following statements are true about unisexual flowers?

(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)

The flowers in which either androecium or gynoecium is absent are called:

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