Which of the following statements are true for flowers?
(i) flowers are always bisexual
(ii) they contain sexual reproductive organs
(iii) they are produced in all groups of plants
(iv) after fertilisation they give rise to fruits

(a) (i) and (iv)
(b) (ii) and (iii)
(c) (i) and (iii)
(d) (ii) and (iv)

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Solution

(d) (ii) and (iv)
Plants have sexual reproductive organs such as stamen and pistil. A fruit is formed after fertilisation in plants.

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Question 16
Which of the following statements are true about flowers?

(i) Flowers are always bisexual
(ii) They are the sexual reproductive organs
(iii) They are produced in all groups of plants
(iv) After fertilization, they give rise to fruits

(a) (i) and (iv)
(b) (ii) and (iii)
(c) (i) and (iii)
(d) (ii) and (iv)

Which among the following statements are true for 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) (ii) and (iii)
(d) (i), (iii) and (iv)

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)

Q. Which of the following statements are true for sexual reproduction in flowering plants?
(i) it requires two types of gametes
(ii) fertilisation is a compulsory event
(iii) it always results in the formation of zygote
(iv) offsprings formed are clones

(a) (i) and (iv)
(b) (i), (ii) and (iv)
(c) (i), (ii) and (iii)
(d) (ii), (iii) and (iv)

Question 18
Which among the following statements are true about sexual reproduction in the flowering plants?

(i) It requires two types of gametes
(ii) Fertilisation is a compulsory event
(iii) It always results in the formation of a zygote
(iv) Offspring formed are clones

(a) (i) and (iv)
(b) (i), (ii) and (iv)
(c) (i), (ii) and (iii)
(d) (i), (ii) and (iv)

(d) (ii) and (iv) Plants have sexual reproductive organs such as stamen and pistil. A fruit is formed after fertilisation in plants.

(d) (ii) and (iv)
Plants have sexual reproductive organs such as stamen and pistil. A fruit is formed after fertilisation in plants.