MEDIUM
12th ICSE
IMPORTANT
Earn 100

Differentiate between cleistogamous flower and chasmogamous flower.

Important Questions on Sexual Reproduction in Flowering Plants

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.
MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 32
Micropyle is the single cotyledon found on the seed coat. Do you agree? Also state its function.
HARD
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 33
Trace the events taking place in a flower from the time of pollen grain entry up to the completion of fertilization.
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 34
Name the nuclei that fuse to form PEN.
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 34
What is the ploidy of PEN?
MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 2 - Sexual Reproduction in Flowering Plants>Chapter Practice>Q 34
Explain the development of endosperm from PEN.