Explain the sequence of events in pollen-pistil interaction.

Important Questions on Sexual Reproduction in Flowering Plants

MEDIUM

12th ICSE

IMPORTANT

I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>PRACTICE QUESTIONS>Q 16

Name all the haploid cells present in an unfertilized mature embryo sac of a flowering plant. Write the total number of cells in it.

EASY

12th ICSE

IMPORTANT

I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>PRACTICE QUESTIONS>Q 1

Differentiate between geitonogamy and allogamy.

EASY

12th ICSE

IMPORTANT

I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>PRACTICE QUESTIONS>Q 2

Define siphonogamy.

EASY

12th ICSE

IMPORTANT

I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>PRACTICE QUESTIONS>Q 2

Define endosperm.

EASY

12th ICSE

IMPORTANT

I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>PRACTICE QUESTIONS>Q 2

Define double fertilization.

EASY

12th ICSE

IMPORTANT

I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>PRACTICE QUESTIONS>Q 3

Describe the structure of the female gametophyte of an angiosperm.

EASY

12th ICSE

IMPORTANT

I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>PRACTICE QUESTIONS>Q 4

Write a note on the role of pollination in the growth and development in an angiosperm.

MEDIUM

12th ICSE

IMPORTANT

I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>PRACTICE QUESTIONS>Q 5

Draw a labelled sketch of L.S. of pistil showing porogamous type of fertilisation.