Strategies for Enhancement in Food Production Test

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Strategies for Enhancement in Food Production Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

Germplasm collection is a

A
Collection of plants or seeds having diverse alleles of all genes in crop

B
Collection of modern varieties of a crop

C
Collection of specimens of all the species of an area in a herbarium or botanical garden

D
Collection of seeds or pollen of rare and threatened species of a group or area

Solution

Germplasm are living genetic resources such as seeds or tissues that are maintained for the purpose of animal and plant breeding, preservation, and other research uses.

Germplasm collection is the collection of plant parts or seeds that have all different alleles of all genes in a crop. It can be used for plant breeding purpose in future.
Question 2
1 / -0

Which of the following disease is caused by bacteria?

A
Late blight of potato

B
Brown rust of wheat

C
Red rot of sugarcane

D
Black rot of crucifers

Solution

Many diseases of plants are caused by bacteria such as black rot of crucifers. Late blight of potato, red rot of sugar cane is caused by fungi. Brown rust of wheat is also a fungal disease.
Question 3
1 / -0

Which is more suitable for germplasm collection?

A
Tropical area

B
Centre of production

C
Temperate area

D
Homelands

Solution

Germplasm collection is the collection of all plant parts or seeds of a plant variety containing all kinds of alleles of the species. Homelands is more suitable for germplasm collection.
Question 4
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Which one of the following is linked to the discovery of Bordeaux mixture as a popular fungicide?

A
Loose smut of wheat

B
Black rust of wheat

C
Bacterial leaf blight of rice

D
Downy mildew of grapes

Solution

Bordeaux mixture is popular fungicide that prevents the growth of fungi. This mixture is discovered by getting clue from downy mildew of grapes. This mixture is effective against plants as well as human.
Question 5
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Aphids or plant lice cause major damage to the crops. Which variety of crops has been developed for its resistance towards the attack of aphids?

A
PusaSem 2

B
Pusa Gaurav

C
Pusa A-4

D
Pusa Swami

Solution

aphids or plant lice caused damage to crops by making bore into stem, leaves as well as seeds. Aphid’s resistant variety of crops has been developed at Pusa agricultural institute as Pusa Gaurav.
Question 6
1 / -0

The technique of fusion of the protoplasts from two different plant varieties is called

A
Micro propagation

B
Somatic Hybridisation

C
Soma clones

D
Cloning

Solution

The technique of fusion of the protoplasts from two different plant varieties is called somatic hybridization. Two varieties of crop that can be fertilized can be hybridized by this method.
Question 7
1 / -0

Artificial mutation can be created by

A
X-ray radiation

B
Alpha radiation

C
UV radiation

D
Gamma radiation

Solution

Mutation is the sudden change in the base pair of genome naturally or artificially. Gamma radiation is used to create artificial hybridization in plants to create variations.
Question 8
1 / -0

In mutation, genetic variations are created through changes in the

A
Number of chromosomes

B
Base sequence within genes

C
Ribose sugar

D
Size of chromosome

Solution

Mutation is used to create variation in traits to obtain raw material for hybridization programme. In mutation, base sequence within the plant is changed using mutagens.
Question 9
1 / -0

Green revolution was dependent to large extent on plant breeding technique for development of

A
Disease resistance only

B
High yielding and disease resistant

C
High yielding only

D
High protein content and high yielding

Solution

Green revolution is mainly dependent on plant breeding technique for high yielding and disease resistant variety in wheat, rice and maize etc.
Question 10
1 / -0

Farmers cannot use seeds of plants showing hybrid vigour in successive years because

A
Dunkel’s proposals

B
Not allowed to sow their own seeds

C
Hybrid vigour is lost on inbreeding

D
It is cheaper to purchase fresh seeds.

Solution

Hybrid vigour is lost on inbreeding in successive year so, farmers cannot use seeds of plant having hybrid vigour in successive years. The cost of such seeds is also high that hider the use of hybrid seeds by farmers.

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Strategies for Enhancement in Food Production Test - 4

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Strategies for Enhancement in Food Production Test - 4

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SHARING IS CARING

Question 1

Collection of plants or seeds having diverse alleles of all genes in crop

Collection of modern varieties of a crop

Collection of specimens of all the species of an area in a herbarium or botanical garden

Collection of seeds or pollen of rare and threatened species of a group or area

Solution

Question 2

Late blight of potato

Brown rust of wheat

Red rot of sugarcane

Black rot of crucifers

Solution

Question 3

Tropical area

Centre of production

Temperate area

Homelands

Solution

Question 4

Loose smut of wheat

Black rust of wheat

Bacterial leaf blight of rice

Downy mildew of grapes

Solution

Question 5

PusaSem 2

Pusa Gaurav

Pusa A-4

Pusa Swami

Solution

Question 6

Micro propagation

Somatic Hybridisation

Soma clones

Cloning

Solution

Question 7

X-ray radiation

Alpha radiation

UV radiation

Gamma radiation

Solution

Question 8

Number of chromosomes

Base sequence within genes

Ribose sugar

Size of chromosome

Solution

Question 9

Disease resistance only

High yielding and disease resistant

High yielding only

High protein content and high yielding

Solution

Question 10

Dunkel’s proposals

Not allowed to sow their own seeds

Hybrid vigour is lost on inbreeding

It is cheaper to purchase fresh seeds.

Solution

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