Question Pool Strategies for Enhancement in Food Production

Strategies for Enhancement in Food Production - SAMAGRA Question Pool & Answers | Class 12

Kerala Syllabus SAMAGRA SCERT SAMAGRA Question Pool for Class 12 Biology Strategies for Enhancement in Food Production

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Qn 1.

Select  from the following the breed developed by cross breeding  Bikaneri ewes and Marino rams

a)Mule b) Jersey c) Hisardale d) Hinny



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Qn 2.

Define breeds? Differentiate inbreeding and out breeding.



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Qn 3.

Bee-keeping is  an age-old cottage industry in India

a) Name the common species of honey bee in india

b) Write the important points to be remembered for successful bee keeping



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Qn 4.

Plant breeding programmes are carried out in a systematic way worldwide. Explain the main steps in breeding a new variety of crop



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Qn 5.

Observe the relationship of the first pair and fill in the blanks with suitable words.

 

Mule :Inter specific hybridisation

Hisardale:.....................................



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Qn 6.

Sonalika and Kalyan sona are varieties of

a) Wheat b)Rice c)Millet d) Tobacco



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Qn 7.

A group of animals which are related by descent and similar in most characters are said to belong to a .................................................

a) Breed b)Variety c)Species d) Rare



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Qn 8.

Interspecific hybridisation is the mating of

a) Superior male and female of different breeds.

b)More closely related individual within the same breed for 4-6 generations.

c) Animals within the same breed but having no common ancestors.

d) Male and female animals of two different related species.



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Qn 9.

Which among the following is an interspecific hybrid ?.

         a) Mule.                                 b)Hisardale.

         c)Sonalika.                            d) Jaya.



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Qn 10.

What do you mean by germplasm collection?.



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Qn 11.

Expand IRRI



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Qn 12.

Choose the correct answer.

Which of the following crop is developed through gene transfer technique?

a)    Pusa komal    b) Parbhani kranti.

c)    Pusa gaurav   d) Pusa sadabahar



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Qn 13.

Observe the following names

Mule,Hisardale,Rohu

a) Identify the animal developed through cross breeding.

b) Differentiate  out crossing and  cross breeding



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Qn 14.

What is inbreeding ? Mention its significance. (Any one)



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Qn 15.

Bee keeping requires some specialized knowledge for success.

a) What is the term given for  bee-keeping

b) Give your suggestions for successful bee-keeping.



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Qn 16.

Dairying is the management of animals for milk and its products for human consumption.

What are the important points to remember when we start a dairy farm?



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Qn 17.

Fill in the blank

Continuous inbreeding usually reduces fertility and productivity .This is called ................

 



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Qn 18.

Controlled breeding experiments are carried out using artificial insemination.

a. How is artificial insemination carried out ?

b. List the advantages of artificial insemination.



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Qn 19.

What do you mean by somatic hybridisation? 



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Qn 20.

Tissue culture is a fast and efficient system for crop improvement.

a) Define totipotency.

b) Which  part of the plant would you select as an explant to produce         virus free plants ?



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Qn 21.

One of the alternate sources of proteins for animal and human nutrition is Single Cell Protein (SCP).

a)Mention any one of its significance.

b)Name any two organism that are used as single cell proteins



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Qn 22.

A larger number of people are under 'hidden hunger'.Suggest a method to overcome  this . Explain.



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Qn 23.

Name the products obtained by keepinhoney bees? Mention its significances.



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Qn 24.

Define inter specific hybridisation? Give an example.



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Qn 25.

Biofortification is a practical approach to improve the health of people.

a) Define biofortification?

b) Give four examples of biofortified crops released by IARI New Delhi?



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Qn 26.

MOET is a programme for herd improvement.

a) Expand MOET.

b) Name a hormone  used in MOET for inducing super ovulation.



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Qn 27.

Explain breifly the steps of MOET.



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Qn 28.

Inbreeding has so many advantages .But continuous inbreeding reduces fertility and productivity.

a) Name this phenomenon.

b)How can  we overcome  this problem?



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Qn 29.

List out any four characteristics found in crop plants to resist insects



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Qn 30.

Write the technical terms of the following.

a) The part of the plant which is used to make a whole plant in tissue culture.

b)The capacity to generate a whole plant from a cell/explant.

c)The method of producing thousands of plants through tissue culture.

d) Genetically identical plants developed by micropropagation.



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