Assertion(A): Genetic variation provides the raw material for selection
Reason(R): Genetic variations are differences in genotypes of the individuals.

(a)

Assertion is right and reason is wrong.

(b)

Assertion is wrong and reason is right

(c)

Both reason and assertion is right.

(d)

Both reason and assertion is wrong.

While studying the history of domestication of various cultivated plants _______ were recognized earlier

(a)

Centres of origin

(b)

Centres of domestication

(c)

Centres of hybrid

(d)

Centres of variation

Pick out the odd pair

(a)

Mass selection - Morphological characters

(b)

Purline selection - Repeated self pollination

(c)

Clonal selection - Sexually propagated

(d)

Natural selection - Involves nature

Match Column I with Column II

Column I	Column II
i) William S. Gaud	I) Heterosis
ii) Shull	II) Mutation breeding
iii) Cotton Mather	III) Green revolution
iv) Muller and Stadler	IV) Natural hybridization

(a)

i	ii	iii	iv
I	II	III	IV

(b)

i	ii	iii	iv
III	I	IV	II

(c)

i	ii	iii	iv
IV	II	I	IV

(d)

i	ii	iii	iv
II	IV	III	I

The quickest method of plant breeding is _______.

(a)

Introduction

(b)

Selection

(c)

Hybridization

(d)

Mutation breeding

Desired improved variety of economically useful crops are raised by _______.

(a)

Natural Selection

(b)

hybridization

(c)

mutation

(d)

biofertilisers

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

Dwarfing gene of wheat is ______.

(a)

pal 1

(b)

Atomita 1

(c)

Norin 10

(d)

pelita 2

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

(a)

interspecific

(b)

inter varietal

(c)

intra varietal

(d)

inter generic

Progeny obtained as a result of repeat self pollination a cross pollinated crop to called

(a)

pure line

(b)

pedigree line

(c)

inbreed line

(d)

heterosis

Jaya and Ratna are the semi dwarf varieties of ______.

(a)

wheat

(b)

rice

(c)

cowpea

(d)

mustard

Which one of the following are the species that are crossed to give sugarcane varieties with high sugar, high yield, thick stems and ability to grow in the sugarcane belt of North India?

(a)

Saccharum robustum and Saccharum officinarum

(b)

Saccharum barberi and Saccharum officinarum

(c)

Saccharum sinense and Saccharum officinarum

(d)

Saccharum barberi and Saccharum robustum

Match column I (crop) with column II (Corresponding disease resistant variety) and select the correct option from the given codes.

Column I	Column II
I) Cowpea	i) Himgiri
II) Wheat	ii) Pusa komal
III) Chilli	iii) Pusa Sadabahar
IV) Brassica	iv) Pusa Swarnim

(a)

I	II	III	IV
iv	iii	ii	i

(b)

I	II	III	IV
ii	i	iii	iv

(c)

I	II	III	IV
ii	iv	i	iii

(d)

I	II	III	IV
i	iii	iv	ii

A wheat variety, Atlas 66 which has been used as a donor for improving cultivated wheat, which is rich in ______.

(a)

iron

(b)

carbohydrates

(c)

proteins

(d)

vitamins

Which one of the following crop varieties correct matches with its resistance to a disease?

(a)

Variety	Resistance to disease
Pusa Komal	Bacterial blight

(b)

Variety	Resistance to disease
Pusa Sadabahar	White rust

(c)

Variety	Resistance to disease
Pusa Shubhra	Chilli mosaic virus

(d)

Variety	Resistance to disease
Brassica	Pusa swarnim

Which of the following is incorrectly paired?

(a)

Wheat - Himgiri

(b)

Milch breed - Sahiwal

(c)

Rice - Ratna

(d)

Pusa Komal - Brassica

Match list I with list II

List I	List II
Biofertilizer	Organisms
i) Free living N2	a) Aspergillus
ii) Symbiotic N2	b) Amanita
iii) P Solubilizing	c) Anabaena azollae
iv) P Mobilizing	d) Azotobactor

(a)

i	ii	iii	iv
c	a	b	d

(b)

i	ii	iii	iv
d	c	a	b

(c)

i	ii	iii	iv
a	c	b	d

(d)

i	ii	iii	iv
b	a	d	c