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

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

(a)

cloning

(b)

heterosis

(c)

selection

(d)

introduction

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

________is the process of bringing a plant species under human control.

(a)

Emasculation

(b)

Hybridization

(c)

Domestication

(d)

Acclimatization

Arbuscular mycorrhizae is a symbiotic association between ____________

(a)

Algae and fungi

(b)

Angiosperm roots and fungi

(c)

Blue-green algae and Azolla fern

(d)

Cyanobacteria and coralloid root

Azolla is best suited biofertilizer for _________

(a)

Sugar cane cultivation

(b)

Paddy cultivation

(c)

Wheat cultivation

(d)

Cotton cultivation

Assertion (A): SLF promotes vigorous growth and provide resistance against diseases.
Reason (R): SLF is made from kelp containing more than 70 minerals.

(a)

Both A and R are true. R explains A.

(b)

A is true R is false

(c)

A is false R is true.

(d)

Both A and R are false

Statement (1): Trichoderma species is a free-living bacteria.
Statement (2): It acts as a potent bio-control agent

(a)

Statement 1 is correct and Statement 4 is incorrect

(b)

Statement 1 is incorrect and Statement 2 is correct

(c)

Both the statements are correct

(d)

Both the statements are incorrect

Statement (1): Clonal selection is carried out in asexually propagating plants.
Statement (2): Clones show similar genotypes.

(a)

Statement 1 is correct and Statement 2 is incorrect

(b)

Statement 1 is incorrect and Statement 2 is correct

(c)

Both the statements are correct

(d)

Both the statements are incorrect

Superiority of hybrids over parents only in vegetative growth not in yield. This phenomenon is termed as ________

(a)

Euheterosis

(b)

Balanced euheterosis

(c)

Luxuriance

(d)

Mutational heterosis

Who is popularly called as the "father of green revolution in India"?

(a)

Nel Jeyaraman

(b)

Dr. M.S. Swaminathan

(c)

Dr. Nammalvar

(d)

N.G.P. Rao

Pusa swarnim variety of Brassica species show resistance to ___________

(a)

White rust

(b)

Leaf curl

(c)

Black rot

(d)

Hill bunt

The first established Atomic Garden in India was _________

(a)

Bhabha Atomic Research Institute

(b)

Indira Gandhi Centre for Atomic Research

(c)

Indian Agricultural Research Institute

(d)

Bose Research Institute

Atlas 66 is an improved variety of ____________

(a)

Rice

(b)

Maize

(c)

Wheat

(d)

Spinach

Damping off of tomato is controlled by

(a)

Beauveria species

(b)

Trichoderma species

(c)

Acacia species

(d)

Pseudomonas species

Atomita 2 - rice is a product by _________

(a)

Polyploid breeding

(b)

Hybridization

(c)

Mutation breeding

(d)

Clonal selection

How are microbial inoculants used to increase the soil fertility?

Mention any two free-living nitrogen-fixing bacteria.

What are bio-pesticides? Why they are considered better than synthetic pesticides?

What is plant breeding?

Define acclimatization.

Who coined the term "pureline"? Define it.

Define the following terms:
(a) Emasculation
(b) Bagging

Define Heterosis?

Mutagens are the substances that induces mutation. Name any two physical and chemical mutagens.

Write in brief about Atomic Garden.

State anyone advantage and one disadvantage of polyploid breeding.

Name any two allopolyploid plant species

What is Biofortification?

Name the insect resistant varieties developed in the following crops.
(a) Okra (b) Rapeseed mustard.

In which plant, and by whom the first natural hybridization was performed?

What are the different types of hybridization?

Name any three eminent plant breeders of Indian origin.

How Rhizobium acts as an efficient bio-fertiIizer?

Azolla increases the yield of paddy crop - support your answer.

Mention any three advantages of Arbuscular mycorrhizal association.

What makes the Trichoderma an effective bio-pesticide?

Write a note on Green Manuring.

Point out the objectives of plant breeding.

Give an account on clonal selection.

Write a short note on autopolyploidy with an example.

Yesterday, Ramu visited his friend's Orchard, where in he noticed few flowers of certain guava trees are covered using thin paper bags.
(I) Name the process carried out there.
(ii) Why it was done so?

Who am I?
(I) Father of Green Revolution.
(il) Father of Indian Green Revolution

A plant breeder developed a hybrid sugarcane by grafting two different varieties with desirable characters. The resultant hybrid showed excellent growth and productivity with increased sucrose content compared to its parental forms.
(I) What does this phenomenon refers to?
(il) How this condition can be maintained through further generation?

Write a note on heterosis.

Give a comparative account on Seaweed liquid fertilizer.

Explain the steps involved in hybridization.