EASY
12th CBSE
IMPORTANT
Earn 100

 How do flower reward their insect pollinators? Explain.

Important Questions on Sexual Reproduction in Flowering Plants

HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 2 - Sexual Reproduction in Flowering Plants>TEST QUESTIONS>Q 2

Mention any four strategies adopted by flowering plants to prevent self-pollination.

MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 2 - Sexual Reproduction in Flowering Plants>TEST QUESTIONS>Q 2
Why is geitonogamy also referred to as genetical autogamy.
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 2 - Sexual Reproduction in Flowering Plants>TEST QUESTIONS>Q 3
Draw a longitudinal section of a post pollinated pistil showing entry of pollen tube into a mature embryo sac. Label filiform apparatus, chalazal end, hilum, antipodal, male gametes and secondary nucleus.
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 2 - Sexual Reproduction in Flowering Plants>TEST QUESTIONS>Q 4

Draw a diagram of a male gametophyte of an angiosperm. Label any four parts. Why is sporopollenin considered the most resistant organic material?

HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 2 - Sexual Reproduction in Flowering Plants>TEST QUESTIONS>Q 5
Differentiate between geitonogamy and xenogamy in plants. Which one between the two will lead to inbreeding depression and why?
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 2 - Sexual Reproduction in Flowering Plants>TEST QUESTIONS>Q 6
Differentiate between perisperm and endosperm giving one example of each.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 2 - Sexual Reproduction in Flowering Plants>TEST QUESTIONS>Q 7
Describe endosperm development in coconut.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 2 - Sexual Reproduction in Flowering Plants>TEST QUESTIONS>Q 7
Why is tender coconut considered a healthy source of nutrition.