The quickest method of plant breeding is _______.

(a)

Introduction

(b)

Selection

(c)

Hybridization

(d)

Mutation breeding

Plants having similar genotypes produced by plant breeding are called _____.

(a)

clone

(b)

haploid

(c)

autopolyploid

(d)

genome

Importing better varieties and plants from outside and acclimatising them to local environment is called _____.

(a)

cloning

(b)

heterosis

(c)

selection

(d)

introduction

Crosses between the plants of the same variety are called ____.

(a)

interspecific

(b)

inter varietal

(c)

intra varietal

(d)

inter generic

Jaya and Ratna are the semi dwarf varieties of ______.

(a)

wheat

(b)

rice

(c)

cowpea

(d)

mustard

Removal of anthers from a flower to overcome self - pollination and the phenomenon is ___________

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: material/details.php

Line Number: 1002

()

Emasculation

The period of opening of a flower is___________

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: material/details.php

Line Number: 1002

()

Anthesis

___________ was the first person to develop world's first hybrid of sorghum

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: material/details.php

Line Number: 1002

()

N.G.P. Rao

The term pureline was coined by __________

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: material/details.php

Line Number: 1002

()

Johannsen

Dwarf Wheat

(1)

Pusa A-4

Saline resistant rice

(2)

Clostridium

Okra / Bindhi

(3)

Norin 10

Cow pea

(4)

Pusa Komal

Free-living N₂ fixing biofertilizer

(5)

Atomita - 2

Differentiate between primary introduction from secondary introduction.

How are microbial innoculants used to increase the soil fertility?

What is meant by domestication of plants?

What is plant breeding?

Define acclimatization.

Define Heterosis?

What are polyploids? Mention its nature.

What are the different types of hybridization?

Name any three eminent plant breeders of Indian origin.

Write a note on Green Manuring.

Point out the objectives of plant breeding.

Write a note on heterosis.

List out the new breeding techniques involved in developing new traits in plant breeding.