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)

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Solution

(c) (i), (ii) and (iii)

For sexual reproduction, it requires two types of gametes i.e., male and female gametes. The fusion of male and female gametes is known as fertilisation and it is a compulsory event. The fusion of gametes results in the formation of a zygote.

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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)

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 4
Offsprings which are formed by the asexual reproduction methods have greater similarity among themselves because

(i) Asexual reproduction involves only one parent
(ii) Asexual reproduction does not involve two gametes
(iii) Asexual reproduction occurs before sexual reproduction
(iv) Asexual reproduction occurs after sexual reproduction

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

The offsprings formed by asexual reproduction method have greater similarity among themselves because:
(i) asexual reproduction involves only one parent
(ii) asexual reproduction involves two parents
(iii) asexual reproduction involves gametes
(iv) asexual reproduction does not involve gametes
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iv)
(d) (i) and (iv)

Q. 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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(c) (i), (ii) and (iii) For sexual reproduction, it requires two types of gametes i.e., male and female gametes. The fusion of male and female gametes is known as fertilisation and it is a compulsory event. The fusion of gametes results in the formation of a zygote.

(c) (i), (ii) and (iii)

For sexual reproduction, it requires two types of gametes i.e., male and female gametes. The fusion of male and female gametes is known as fertilisation and it is a compulsory event. The fusion of gametes results in the formation of a zygote.