Describe the process of double fertilization.

Important Questions on Reproduction in Lower and Higher Plants

EASY

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 1 - Reproduction in Lower and Higher Plants>Exercise>Q 4

Explain the stages involved in the maturation of microspore into male gametophyte.

HARD

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 1 - Reproduction in Lower and Higher Plants>Exercise>Q 4

Explain the development of dicot embryo.

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 1 - Reproduction in Lower and Higher Plants>Exercise>Q 4

Draw a labelled diagram of the L.S. of anatropous ovule and list the components of embryo sac and mention their fate after fertilization.

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 1 - Reproduction in Lower and Higher Plants>Exercise>Q 5

The _____ collects the pollen grains.

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 1 - Reproduction in Lower and Higher Plants>Exercise>Q 5

The pollen grains represent the _____gametophyte.(male/female)

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 1 - Reproduction in Lower and Higher Plants>Exercise>Q 5

The_____ contains the egg or ovum.(microspore/ stamen/ embryo sac)

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 1 - Reproduction in Lower and Higher Plants>Exercise>Q 5

_____(Syngamy/ Triple fusion/ Vegetative fertilisation) takes place when one male gamete and the egg fuse together. The fertilised egg grows into a seed from which the new plants can grow.

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 1 - Reproduction in Lower and Higher Plants>Exercise>Q 5

The _____ is the base of the flower to which other floral parts are attached.(thalamus/ petiole/peduncle)