EASY
12th ICSE
IMPORTANT
Earn 100

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

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 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.
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 26

Give one word of the following statement.

Embryonal axis above the level of cotyledons.

EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 26
Embryonal axis below the level of cotyledons.
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 26
The fleshy whitish structure present on micropylar end of seed.
MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 27
Both male and female gametes are non-motile in flowering plants, so they have to be brought together for fertilization to occur. Write the various ways by which this is achieved.
MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 28
Differentiate between cleistogamous flower and chasmogamous flower.
MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 29
How do flowers reward their insect pollinators? Explain.