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Important Questions on Sexual Reproduction in Flowering Plants

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>Multiple Choice Questions [1 mark]>Q 18

In the embryos of a typical dicot and a grass, true homologous structures are

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>Multiple Choice Questions [1 mark]>Q 19

The phenomenon observed in some plants wherein parts of the sexual apparatus is used for forming embryos without fertilization is called

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>Multiple Choice Questions [1 mark]>Q 20

In a flower, if the megaspore mother cell forms megaspores without undergoing meiosis and if one of the megaspores develops into an embryo sac, its nuclei would be

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 1

Among the terms listed below, those that of are not technically correct names for a floral whorl are
A. Androecium    

B. Carpel   

C. Corolla   

D. Sepal

EASY

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 1

Embryo sac is to ovule as _____ is to an anther.

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 1

The phenomenon wherein, the ovary develops into a fruit without fertilisation is called

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 3

What is self-incompatibility?

MEDIUM

12th CBSE

IMPORTANT

Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 4

Banana is a parthenocarpic fruit whereas oranges show polyembryony. How are they different from each other with respect to seed.