EASY
Earn 100

The entry of oxygen and water into the seed during germination is facilitated by

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Important Questions on Sexual Reproduction in Flowering Plants

MEDIUM
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Which is the correct order for the development of embryo sac?
MEDIUM
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Arrange the correct order stages for monosporic development of female gametophyte in angiosperms.
I) Functional megaspore
II) Free nuclear divisions
III Embryo sac
IV) Linear tetrad of megaspore
V) Megaspore mother cell
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants

Match column-I with column-II and select the correct option.

Column-I Column-II
a) Megasporangium i) Accessory cells
b) Inner integument ii) Embryo sac
c) Antipodal iii) Ovule
d) Female gametophyte iv) Tegmen
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Filiform apparatus is characteristic features of:
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Function of filiform apparatus is to:
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
A typical angiosperm embryo sac at maturity is:
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Generally, embryo sac in angiosperms is ________.
HARD
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Describe the structure of ovule in plants.
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
The body of the ovule is fused within the funicle at
MEDIUM
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
The Campylotropous ovule is characterized by _____.
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Integuments are absent in _______
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
In the majority of angiosperms:
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Which part provides the passage for entry of pollen tube during fertilization?
MEDIUM
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Identify the correct statements.
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Draw a well-labelled diagram of an angiospermic ovule showing porogamous type of pollen germination.
MEDIUM
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
In Angiosperms, the female gametophyte is known as the embryo sac. Explain its development.
MEDIUM
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Draw a neat diagrammatic view of an anatropous ovule and label embryo sac and micropyle.
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Identify the mismatch
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Functional megaspore in an angiosperm develops into:
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
The ovule of an angiosperm is technically equivalent to