Sexual Reproduction in Flowering Plants

In the given diagram of pollen grain, identify the labels 'A' and 'B'

Which one of the following is INCORRECT about double fertilization in angiosperms?

During embryonal development in angiosperms, hypocotyl and a part of the radicle is formed by the lower tier of cells of the octant, whereas the other part of the radicle and root cap are formed by ____.

Which one of the following is of great significance in horticulture?

Identify the correct sequence of the anther wall layers from outer to inner in angiosperms. (A). Endothecium (B). Tapetum (C). Epidermis (D). Middle layer Choose the correct answer from the options given below:

In an ovule, one of the male gamete fuses with haploid female gamete to produce a diploid zygote, the process is called

Match type of pollinating agent given in Column I with respective example given in Column II Column (I)Column (II)(A) Sunbirds(I) Chiropterophily(B) Bats(II) Entomophily(C) Insects(III) OrnithophilyChoose the correct…

If the synergid of an ovule contains 24 chromosomes, then what will be the number of chromosomes in its endosperm?

During grafting, the part of the rooted plant is called __________ to which the part of the stem containing more than one bud is joined.

In angiosperms, when the pollen tube enters the ovule through micropyle, it is called ______.

Which one of the following does NOT promote cross pollination?

Small, inconspicuous colorless flowers without nectar and fragrance are adaptations found in plants which are ____.