Fertilization in Plants

IMPORTANT

Fertilization in Plants: Overview

This topic covers concepts, such as, Pollen Tube Germination, Double Fertilization, Triple Fusion & Post Pollination Changes in Plants etc.

Important Questions on Fertilization in Plants

EASY
IMPORTANT

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

 

Question Image

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IMPORTANT

Double fertilization involves

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The generative cell is destroyed by laser but a normal pollen tube is still formed because

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Double fertilization and triple fusion were discovered by

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

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Entry of pollen tube through micropyle is

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Which cell of the female gametophyte is involved in the formation of primary endosperm nucleus (PEN) after fertilization ?

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The additional nuclear ploidy levels found in a diploid angiosperm species in full bloom compared to its vegetative stage are

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An angiosperm was identified with its endosperm of 6n. Assuming that this is a self-pollinating species, which one of the following is the correct ploidy of the parent?

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Fill up the blanks with suitable words

The ability of the pistil to recognise pollen is dependent on ______ components and ________ guide the entry of pollentube. This study leads to help ______ in getting _________ even in _____ 

A Chemicals

B. Plant breeders

C. hybrids

D. Incompatible pollination

E. Synergids

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Mesogamy is the entry of pollen tube into the ovule through

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Number of gametes participates in triple fusion, and double fertilisation respectively are

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Name the nuclei taking part in triple fusion. 

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Give significance of double fertilization.

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Write a short note on triple fusion.

HARD
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Describe briefly the process of fertilization in angiosperms. Explain the changes in the cells present in the embryo sac after fertilization.

MEDIUM
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How many types of pollen tube entry are there in the ovule? Write different types of pollen tube entry in the ovule.

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Write the importance of triple fusion.

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IMPORTANT

What is double fertilization?