The ploidy level is NOT the same in

Important Questions on Reproduction in Lower and Higher Plants

MEDIUM

12th Maharashtra Board

IMPORTANT

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

Which of the following types require pollinator but result is genetically similar to autogamy?

HARD

12th Maharashtra Board

IMPORTANT

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

If diploid chromosome number in a flowering plant is $12$, then which one of the following will have $6$ chromosomes?

MEDIUM

12th Maharashtra Board

IMPORTANT

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

In angiosperms, endosperm is formed by

MEDIUM

12th Maharashtra Board

IMPORTANT

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

Point out the odd one

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 1 - Reproduction in Lower and Higher Plants>Exercise>Q 2

Name the part of gynoecium that determines the compatible nature of pollen grain.

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 1 - Reproduction in Lower and Higher Plants>Exercise>Q 2

How many haploid cells are present in a mature embryo sac ?

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 1 - Reproduction in Lower and Higher Plants>Exercise>Q 2

Even though each pollen grain has $2$ male gametes, why atleast $20$ pollen grains are required to fertilize $20$ ovules in a particular carpel?

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 1 - Reproduction in Lower and Higher Plants>Exercise>Q 2

Define megasporogenesis.