EASY
12th ICSE
IMPORTANT
Earn 100

Differentiate between Protandry and Protogyny.

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 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.
MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 30
In the majority of angiosperms, the zygote divides by an asymmetric mitotic division and generates two cells. Discuss the fates of these two cells.
MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 31
Scutellum is the single cotyledon found in the monocot embryo only. Explain.