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12th Biology Monthly Test - 1 ( Botany - Plant Breeding )

St. Britto Hr. Sec. School - Madurai

12th Biology Monthly Test - 1 ( Botany - Plant Breeding )-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

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

Variety Resistance to disease

Pusa Kamal Bacterial blight
Variety Resistance to disease

Pusa Sadabahar White rust
Variety Resistance to disease

Pusa Shubhra Chilli mosaic virus
Variety Resistance to disease

Brassica Pusa swarnim

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

i-I, ii-II, iii-III, iv-IV
i -III, ii -I, iii -N, iv -II
i -N, ii -II, iii -I, iv -IV
i-II, ii-IV, iii-III, iv-I

Plants having similar genotypes produced by plant breeding are called

clone
haploid
autopolyploid
genome

Match list I with list II

i-c, ii-a, iii-b, iv-d,
i-d, ii-c, iii-a, iv-b
i-a, ii-c, iii-b, iv-d
i-b, ii-c, iii-a, iv-b

Developing new genetic diversity by exposing crop plants to chemical agents or radiation

Mendel's laws
Mutagenesis
Cross breeding
Hybrid breeding

Use of Nano technology in crop production is _____________

Environmentally safe
Ecologically sustainable
Economically stable
All the above

Beauveria helps plants by

adding nutrients to soil
fixing nitrogen
killing insects
mobilizing phosphorous

mporting better varieties and plants from outside and acclimatising them to local environment is called

cloning
heterosis
selection
introduction

Crosses between the plants of the same variety are called

interspecific
inter varieta
intra varietal
inter generic

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

Centres of origin
Centres of domestication
Centres of hybrid
Centres of variation

The quickest method of plant breeding is

Introduction
Selection
Hybridization
Mutation breeding

Explanation ofNBPGR is.

National Bureau of Plant Genetic Resources
National Bureau Plan of Genetic of Resources
National Bureau of Plant genetic Resistance
National Bureau of Plant Genetic Rights

Jaya and Ratna are the semi dwarf varieties of

wheat
rice
cowpea
mustard

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

iron
carbohydrates
proteins
vitamins

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

Centres of origin
Centres of domestication
Centres of hybrid
Centres of variation

Part - B

Generic 2 - Answer All Question

Define euheterosis.
What is seed certification?

Comment on gamma Garden or atomic Garden.

"Trichoderma - bio-control agent" - Justify this statement.

Define Biofortification.

Differentiate Mutational Euheterosis and Balanced Euheterosis.

Differentiate primary introduction from secondary introduction.

Name few plant species used in green manuring.

How are microbial innoculants used to increase the soil fertility?

What are the benefits of seed treatment?

Differentiate primary introduction from secondary introduction.

Define green in-situ manuring / Green leaf manuring.

List out the benefits of seed hardening.

What is cisgenesis?

Write a note on NBPGR.

Differentiate Intervarietal hybridization and Intravarietal hybridization.

Part - C

Generic 3 - Answer All Question

Classify the seeds based on physiological behaviour.

What is plant introduction?

What is the disadvantages of pureline selection?

List out the possible changes occur in the plant species due to domestication.

What is domestication of plants?

What is the note of Beauveria?

List out the important Indian plant breeders and their role in plant breeding.

What are Bio-pesticides?

What are the different types of hybridization?

Mention two traditional methods of seed protection.
Explain the Biofortification in Sugar cane.

Part - D

Generic 5 - Answer All Question

What are the different types of hybridization?

Define selection. Explain its types.

Write a note on heterosis.
List out the new breeding techniques involved in developing new traits in plant breeding.

Write notes on Seaweed Liquid fertilizer.

Explain the types of hybridisation

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