Double Fertilization: Process and Significance

IMPORTANT

Double Fertilization: Process and Significance: Overview

This Topic covers sub-topics such as Double Fertilization, Triple Fusion, Syngamy, Siphonogamy, Porogamy and, Primary Endosperm Nucleus

Important Questions on Double Fertilization: Process and Significance

EASY
IMPORTANT

Identify the correct option with which the part shown in the diagram below can be associated:

 

Question Image

EASY
IMPORTANT

Double fertilization and triple fusion were discovered by

MEDIUM
IMPORTANT

Total number of meiotic divisions required for forming 100 zygotes/100 grains of wheat is

MEDIUM
IMPORTANT

When a tetraploid female plant is crossed with a diploid male plant, the ploidy of endosperm cells in resulting seed of this angiosperm would be:

EASY
IMPORTANT

In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are: 

EASY
IMPORTANT

What is the ploidy of the primary endosperm nucleus?

EASY
IMPORTANT

Endosperm is a product of _____ and embryo is a product of _____.

MEDIUM
IMPORTANT

Which part of flower is not correctly matched with its post-fertilization structure?

EASY
IMPORTANT

Write the significance of triple fusion in flowering plants.

EASY
IMPORTANT

What is the end products of double fertilization?

EASY
IMPORTANT

What do you mean by double fertilization?

EASY
IMPORTANT

When pollen tube enters the embryo sac through micropyle, it is called chalazogamy.

EASY
IMPORTANT

What is the function of filiform apparatus?

MEDIUM
IMPORTANT

An angiosperm plant of genotype ppQqRRSS pollinates another plant with genotype PPQQRRss. If the genes are not linked, the genotype of the embryo and endosperm in the resulting seeds will be