strategies for food enhancement Flashcards

1
Q

Plant breeding dates back to __ to __ years ago

A

9000 to 11,000

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2
Q

____ is the root of any breeding programme

A

Genetic variability

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3
Q

In mnay crops, pre existing genetic variability is available from __

A

Wild relatives of the crop

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4
Q

What is germplasm collection

A

The entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop.

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5
Q

Agriculture accounts for __% of india’s GDP

A

33%

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6
Q

Agriculture employs __% of India’s population

A

62%

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7
Q

What led to a dramatic increase in food production of India in the mid-1960s. What was this phase called.

A

Developement of several high yielding varieties of wheat and rice as a result of various plant breeding techniques

Green revolution

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8
Q

Crop losses can often be significant, upto ___ to __%, or sometimes even total.

A

20-30%

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9
Q

Breeding is carried out by __ or __

A

Conventional breeding techniques

Mutation breeding

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10
Q

What type of radiation is used to induce mutation artificially

A

Gamma radiations

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11
Q

Give an example for mutation breeding

A

In mung bean, the resistance to yellow mosaic virus and powdery mildew were induced by mutations

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12
Q

Resistance to yellow mosaic virus in bhindi (Abelmoscus escelendus) was transferred from a wild species and resulted into a new variety of A.esculentus called

A

Parbhani kranti

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13
Q

More than how many peole doesnt have adequate food

A

840 million

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14
Q

How many people suffer from nutrient deficiencies

A

3 billion

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15
Q

What is biofortification

A

Breeding crops with higher levels of vitamins and minerals, or higher protein and healthier fats

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16
Q

Breeding for improved nutritional quality is undertaken with the objectives of improving (4)

A

Protein content and quality
Oil content and quality
Vitamin content and quality
Micronutrient and mineral content

17
Q

How many Kg of grains does it take to produce 1Kg of meat

A

3-10Kg

18
Q

More than __% of human population os suffering from malnutrition and hunger

A

25%

19
Q

Certain bacterial species like ___, because of its high rate of biomass production and growth, can be expected to produce __ tonnes of protein

A

Methylophilus methylotrophus

25 tonnes

20
Q

It was learnt by scientists, during which year, that while plants could be regenerated from explants

A

1950

21
Q

Scsientists have succeeded in culturing meristems of (3)

A

Banana, sugarcane, potato