Sexual Reproduction in Plants

What are perennials ?

Does a gametophyte depend upon sporophyte?

What are the significance of sexual reproduction in flowering plants?

There are 24 chromosomes in vegetative cell of a flowering plant. How many chromosomes will be in the following:

Zygote

There are 24 chromosomes in vegetative cell of a flowering plant. How many chromosomes will be in the following:

Endosperm

There are 24 chromosomes in vegetative cell of a flowering plant. How many chromosomes will be in the following:

Egg cell

There are 24 chromosomes in vegetative cell of a flowering plant. How many chromosomes will be in the following:

Pollen grain

What are the end products of sexual reproduction in flowering plants?

Give the significance of sexual reproduction in flowering plants.

Which of the following are the end products of fertilisation?

Write any two importance of sexual reproduction in plants.

A total of $168$ pollen grains with $14$ chromosomes in each pollen grain are released from a mature microsporangium. Mention the correct ratio of pollen mother cells, generative cells, vegetative cells and male gametes produced by the microsporangium.

Identify the correct ratio of haploid, diploid, and triploid conditions of cells and tissues listed in the given table.

Fertilization in angiosperm is ______

The plant body of angiosperm is 

Amphimixis is

How many of the following statements about reproduction in flowering plants is not correct?
a. As soon as meiosis begins, the plasmodesmata between PMC and tapetal cells are broken.
b. Bird pollinated flowers are usually colourless and odourless.
c. The ovules in the family Malvaceae are campylotropous.
d. The tapetal cells may divide by endomitosis and polyteny.
e. The wall surrounding the megaspore is generally cutinized.
f. In pollination, a functional pollen grain carrying the male gametes reaches the embryosac of an ovule.

Identify the respective ploidy of the following parts of flowering plants.

Ovary, Anther, Egg, Pollen, Male gamete and Zygote

In the developing ovule of most of the Angiosperms, megaspore mother cell is situated within the nucellus

To produce 200 zygotes, how many meiotic divisions are required in flowering spermatophytes?