Which of the following statements are true for 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)
Answer: D
Solution: The statement (ii) and (iv) are true while statements (i) and (iii) are false because flowers are not always bisexual. They can be unisexual also. Only angiosperms produce flowers while as bryophytes, pteridophytes and gymnosperms do not produce flowers.