What are the commercial uses of pollen grains?

Important Questions on Sexual Reproduction in Flowering Plants

EASY

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 19

Who are called pollen robbers?

EASY

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 20

How many cellular nuclei does the pollen tube of angiosperm have? What is the ploidy of each of the nuclei?

EASY

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 21

What is the importance of microspore mother cell undergoing meiosis?

EASY

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 22

Write the location and function of synergid.

EASY

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 23

What is the role of filiform apparatus?

EASY

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 24

Draw a diagram of LS of a pistil showing growth of a pollen tube.

EASY

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 25

Differentiate between Hypocotyl and Coleoptile.

EASY

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 25

Differentiate between Protandry and Protogyny.