Biology

Strategies for Enhancement in Food Production

Question:

If your family owned a dairy farm, what measures  would you undertake to improve the quality and quantity of milk production?

Answer:

To improve the quality & quantity of milk production, one should take care of the following points:
(i) Proper feeding of the cattle with good quality of food.
(ii) Clean and hygienic environment for cattles.
(iii) Proper medication.
(iv) Veterinary supervision.
(v) Selection of good breeds having high yielding capacity combined with resistance to disease.
(vi) Quality of breed.

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Strategies for Enhancement in Food Production

Q 1.

In animal husbandry, if two closely related animals are mated for a few generations, it results in loss of fertility and vigour. Why is this so?

Q 2.

Define the term stress' for plants. Discuss briefly the two types of stress encountered by plants.

Q 3.

Discuss the two main limitations of plant hybridization programme.

Q 4.

Life style diseases are increasing alarmingly in India. We are also dealing with large scale malnutrition in the population. Is there any method by which we can address both of these problems together?

Q 5.

Discuss natural selection and artificial selection. What are the implications of the latter on the process of evolution?

Q 6.

Name a man-made cereal. Trace how it was developed and where it is used?

Q 7.

Explain what is meant by biofortification.

Q 8.

Give few examples of biofortified crops. What benefits do they offer to the society?

Q 9.

Would it be wrong to call plants obtained through micropropagation as clones'? Comment.

Q 10.

Suggest some of the features of plants that will prevent insect and pest infestation.

Q 11.

Briefly describe various steps involved in plant breeding.

Q 12.

It is said, that diseases are spreading faster due to globalisation and increased movement of people. Justify the statement taking the example of H5N1 virus.

Q 13.

Name the improved characteristics of wheat that helped India to achieve green revolution.

Q 14.

If your family owned a dairy farm, what measures  would you undertake to improve the quality and quantity of milk production?

Q 15.

(a) The shift from grain to meat diets creates more demands for cereals. Why? (b) A250 kg cow produces 200 g of protein per day but 250 g of Methylophillus methylotrophus can produce 25 tonnes of protein. Name this emerging area of research. Explain its benefits.

Q 16.

Can gamma rays used for crop improvement programmes prove to be harmful for health? Discuss.

Q 17.

Plants raised through tissue cultures are clones of the parent' plant. Discuss the utility of these plants.

Q 18.

Why is it easier to culture meristems Compared to permanent tissues?

Q 19.

It is easier to culture plant cells in vitro as compared to animal cells. Why?

Q 20.

You are planning to set up a Dairy Farm. Describe the various aspects you would consider before you start the venture.

Q 21.

Modem methods of breeding animals and plants can alleviate the global food shortage'. Comment on the statement and give suitable examples.

Q 22.

Name the methods employed in animal breeding. According to you which of the methods is best? Why?

Q 23.

A few statements are given below followed by a set of terms in a box. Pick the correct term and write it against the appropriate statement.
a. Mating of closely related individuals within the same breed
b. Mating of animals of same breed but having no common ancestors on either side for 4-6 generations
c. Mating of animals of two different species
d. Breeding of animals belonging to different breeds
(i) Cross breeding, (ii) Inter-specific hybridization,
(iii) Out breeding, (iv) Out crossing, (v) Inbreeding

Q 24.

What is aquaculture? Give example of an animal that can be multiplied by aquaculture.

Q 25.

Differentiate between pisciculture and aquaculture.

Q 26.

Explain the concept of the Blue Revolution.

Q 27.

What is apiculture? How is it important in our lives?

Q 28.

Which part of the plant is best suited for making virus-free plants and why?

Q 29.

In the area of plant breeding, it is important not only to preserve the seeds of the variety being cultivated, but also to preserve all its wild relatives. Explain with a suitable example.

Q 30.

A farmer was facing the problem of low yield from his farm. He was advised to keep a beehive in the vicinity. Why? How would the beehive help in enhancing yield?

Q 31.

What is meant by germplasm collection? What are its benefits?

Q 32.

You are a Botanist working in the area of plant breeding. Describe the various steps that you will undertake to release a new variety.

Q 33.

What is meant by the term 'breed'? What are the objectives of animal breeding?

Q 34.

(a) The shift from grain to meat diets creates more demands for cereals. Why? (b) A250 kg cow produces 200 g of protein per day but 250 g of Methylophillus methylotrophus can produce 25 tonnes of protein. Name this emerging area of research. Explain its benefits.

Q 35.

Does apiculture offer multiple advantages to farmers? List its advantages if it is located near a place of commercial flower Cultivation.

Q 36.

What are three options to increase food production? Discuss each giving the salient features, merits and demerits.

Q 37.

Discuss the role of fishery in enhancement of food production.

Q 38.

A person who is allergic to pulses was advised to take a capsule of Spirulina daily. Give the reasons for the advise.

Q 39.

What is emasculation? Why and when is it done?

Q 40.

Interspecific crosses are rare in nature and intergeneric crosses almost unknown. Why?

Q 41.

Is there any relationship between dedifferentiation and the higher degree of success achieved in plant tissue culture experiments?

Q 42.

Give me a living cell of any plant and I will give you a thousand plants of the same type". Is this only a slogan or is it scientifically possible? Write your comments and justify them.

Q 43.

What are the physical barriers of a cell in-the protoplast fusion experiment? How are the barriers overcome?

Q 44.

What are the advantages of tissue culture methods over conventional method of plant breeding in crop improvement programmes?

Q 45.

Explain in brief the role of animal husbandry in human welfare.

Q 46.

Find out the various components of the medium 12.used for propagation of an explant in vitro are ?

Q 47.

Millions of chicken were killed in West Bengal, Assam, Orissa and Maharashtra recently, What was the reason?

Q 48.

In the area of plant breeding, it is important not only to preserve the seeds of the variety being cultivated, but also to preserve all its wild relatives. Explain with a suitable example.

Q 49.

What is meant by hidden hunger'?

Q 50.

Why are proteins synthesised from SpiruJina called single cell proteins?