MEDIUM
12th CBSE
IMPORTANT
Earn 100

Banana is a parthenocarpic fruit whereas oranges show polyembryony. How are they different from each other with respect to seed.

Important Questions on Sexual Reproduction in Flowering Plants

MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 5
 Explain giving reasons why pollen grains can be best preserved as fossils.
HARD
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 6
What is apomixis? How is the phenomenon useful to the farmer?
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 7
 How many haploid cells are present in a mature female gametophyte of a flowering plant? Name them.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 8
Draw a labelled diagram of L.S of an apple.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 9
What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 10
 Draw a labelled schematic representation of a mature embryo sac of an organism.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 11
Name the cell from which the endosperm of coconut develops. Give the characteristic features of endosperm of coconut.
 
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 2 - Sexual Reproduction in Flowering Plants>SELF-ASSESSMENT TEST>Q 12
State one difference and one similarity between geitonogamy and xenogamy.