Sexual Reproduction in Flowering Plants PYQ — Page 2

A typical angiosperm embryo sac at maturity is:

Which of the following is incorrect for wind-pollinated plants?

The plant parts which consist of two generations one within the other: (a) Pollen grains inside the anther (b) Germinated pollen grain with two male gametes (c) Seed inside the fruit (d) Embryo sac inside the ovule

In water hyacinth and water lily, pollination takes place by:

In some plants thalamus contributes to fruit formation. Such fruits are termed as:

The body of the ovule is fused within the funicle at

In which of the following, both autogamy and geitonogamy are prevented?

In some plants, the female gamete develops into embryo without fertilization. This phenomenon is known as

Persistent nucellus in the seed is observed in

What is the fate of the male gametes discharged in the synergid?

Which is the most common type of embryo sac in angiosperms?

What type of pollination takes place in Vallisneria?

Which one of the following statements regarding post-fertilization development in flowering plants is incorrect?

Which of the following plants shows a very close relationship with a species of moth, where none of the two can complete their life cycle without the other?

Which of the following has proved helpful in preserving pollen as fossils?

The process of double fertilization is the

Pollen grains can be stored for several years in liquid nitrogen having a temperature of

Attractants and rewards are required for:

Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by

Double fertilization is exhibited by:

Functional megaspore in an angiosperm develops into:

A dioecious flowering plant prevents both:

Which of the following statements is not correct?

In the majority of angiosperms: