Ubish granules containing sporopollenin are produced by

Ploidy of aleurone layer in the seed is:

In mesogamy, the entry of pollen tube into the ovule is through the

In order to produce 100 gametes, _____ parents cells are required.

In which of the following angiospermic families, endosperm is not formed inspite of double fusion?

If the cells of endosperm of a plant has 24 chromosomes, the number of chromosomes in each cell of the stem is

‘Turion’ - a vegetative reproductive structure, is produced in

Embryo sac represents

Which of the following pollen sac wall layers is amoeboid or secretory in nature?

In circinotropus type of ovule, the degree of curvature is

Pollen kit helps in

The process of development of embryo sac from unreduced megaspore mother cell is called

The presence of 8-nucleated embryo sac types of organization in the pollen grains of Hyacinthus orientalis is called

A flower can be best defined as a

Generally pollen grains are shed from the anther at

Which of the following structures is formed after triple fusion in post fertilization?

Sweet potato is propagated through

Epiblast in grasses is a reduced

When tetraploid female plant is crossed with diploid male plant, the ploidy of the endosperm is

Filiform apparatus is located at the tip of

Adventive embryony leads to the formation of

Which of the following cells is/are most likely to be involved in apogamy in an angiospermic plant?

Which of the following structures is meant for asexual reproduction in Pistia?

In which of the following, the floral bud produces a new plant?

When an embryo arises from the integument of the ovule, the phenomenon is known as

Which of the following is the most resistant biological material?

In which of the following species, monosporic embryo sac is found?

Parietal cell in the anther forms anther wall which is

Pollination between different flowers of the same plant is called

Obturators, which help in the fertilization, are outgrowth of