Class 12 Biology

Asked: October 12, 2021In: Class 12 Biology

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

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Sangam

Asked: October 12, 2021In: Class 12 Biology

You have created a recombinant DNA molecule by ligating a gene to a plasmid vector. By mistake, your friend adds exonuclease enzyme to the tube containing the recombinant DNA. How will your experiment get affected as you plan to go for transformation now?

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Vaishnavi Rai

Asked: October 12, 2021In: Class 12 Biology

What do you understand by gene cloning?

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Shilpa

Asked: October 12, 2021In: Class 12 Biology

How was penicillin discovered?

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Hari Harun

Asked: October 12, 2021In: Class 12 Biology

How has the bacterium Bacillus thuringiensis helped us in controlling caterpillars of insect pests?

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param jah

Asked: October 12, 2021In: Class 12 Biology

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

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param jah

Asked: October 12, 2021In: Class 12 Biology

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

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Bhushan bhagat

Asked: October 12, 2021In: Class 12 Biology

How can we improve the success rate of fertilisation during artificial insemination in animal husbandry programmes?

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Bhupender

Asked: October 12, 2021In: Class 12 Biology

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 these problems?

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Arjun dayal

Asked: October 12, 2021In: Class 12 Biology

In the metropolitan cities of India, many children are suffering from allergy/asthma. What are the main causes of this problem. Give some symptoms of allergic reactions.

12th Science Biology Extra Questions Class 12th Biology NCERT Based Questions 12th Biology Science Session 2022-23 Class 12 Science Biology Terminal Exams Solutions

Category: Class 12 Biology

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

You have created a recombinant DNA molecule by ligating a gene to a plasmid vector. By mistake, your friend adds exonuclease enzyme to the tube containing the recombinant DNA. How will your experiment get affected as you plan to go for transformation now?

What do you understand by gene cloning?

How was penicillin discovered?

How has the bacterium Bacillus thuringiensis helped us in controlling caterpillars of insect pests?

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

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

How can we improve the success rate of fertilisation during artificial insemination in animal husbandry programmes?

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 these problems?

In the metropolitan cities of India, many children are suffering from allergy/asthma. What are the main causes of this problem. Give some symptoms of allergic reactions.

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Category: Class 12 Biology

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