Recent questions tagged sec-b

What is homeostasis? 

asked Jul 10, 2017 by pady_1

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Why do high areas have brighter sunlight and lower temperatures as compared to the plains?

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How is mature, functional insulin hormone different from prohormone form?<br>

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ELISA technique is based on the principles of antigen-antibody interaction. Can this technique be us

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PCR is a useful tool for early diagnosis of an infectious disease. How.

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Give the full form of ELISA. Which disease can be detected using it? <br>Discuss the principle under

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In view of the current food crisis, it is said that we need another green revolution. Highlight the

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Describe the role of $CaCl_2$ in the preparation of competent cells?

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A plasmid DNA and a linear DNA (both are of the same size) have one site for a restriction endonucle

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A recombinant DNA molecule was created by ligating a gene to a plasmid vector. By mistake, an exonuc

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Both a wine maker and a molecular biologist who has developed a recombinant vaccine claim to be biot

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What is meant by gene cloning?

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Which bacteria has been used as a clot buster? What is its mode of action?

asked Jul 9, 2017 by pady_1

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What is a broad spectrum antibiotics? Name one such antibiotic.

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How was penicillin discovered?

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Why are cyanobacteria considered useful in paddy plants?

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How do mycorrhizal fungi help the plants harbouring them?

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How has the bacterium bacillus turingiensis helped us in controlling caterpillars of insect pe

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Why are flocs important in biological treatment of waste water?

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

asked Jul 8, 2017 by pady_1

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Discuss briefly how pure lines are created in animal husbandry.

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

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

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

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A farmer as facing the problem of low yield from his farm. He was advised to keep a beehive in the v

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Explain the concepts of blue revolution

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It is said that diseases are spreading faster due to globalization and increased movement of people.

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

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Discuss the two main limitations of plant hybridization programme. 

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What is emasculation? Why and when is it done?

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How is a somatic hybrid different from a hybrid?

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What are the duties of a veterinary doctor in management of poultry farm?

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

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

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Why are plants obtained by protoplast culture called somatic hybrids?

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

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In animal husbandry. if two closely related animals are mated for a few generations, it results in l

asked Jul 8, 2017 by pady_1

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

asked Jul 8, 2017 by pady_1

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What is Pulse Polio Programme of Governmentof India? What is OPV? Why is it that India yet to eradic

asked Jul 8, 2017 by pady_1

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If there are two pathogenic viruses, one with DNA and the other with RNA, which would mutate faster

asked Jul 7, 2017 by pady_1

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What is cancer?

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What is secondary metabolism?

asked Jul 7, 2017 by pady_1

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Why cannabinoids are banned in sports and games?

asked Jul 7, 2017 by pady_1

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Do you consider passive smoking is more dangerous than active smoking? Why?

asked Jul 7, 2017 by pady_1

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Lymph nodes are secondary lymphoid organs. Explain the roles of lymph nodes in our immune system.&nb

asked Jul 7, 2017 by pady_1

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Why is mother's milk considered the most appropriate food for a new born infant?

asked Jul 7, 2017 by pady_1

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Many microbial pathogens enter the gut of human beings along with food. What are the preventive barr

asked Jul 7, 2017 by pady_1

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Where are B-cells and T-cells formed? How do they differ from each other?

asked Jul 7, 2017 by pady_1

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Enumerate three most characteristic criteria for designating a Mendelian population.

asked Jul 6, 2017 by pady_1

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Why is nascent oxygen supposed to be toxic to aerobic life forms?

asked Jul 6, 2017 by pady_1

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