ISC (Science) ISC Class 12 - CISCE Important Questions

What is a clone?

Choose the correct option of the following question:

The pressure of the cell contents on the cell wall is known as:

What is a single cell protein? How is it significant for human welfare?

Write a short note on Electrophoresis.

Expand the following abbreviation: BAC

Expand the following abbreviation: SSBP

List any four applications of tissue culture.

Give one significant difference between:

Electroporation and Gene Gun.

Give one significant difference between :

ECG and EEG

What are the restriction endonucleases? Give the rules of their nomenclature.

Explain the mechanism of action of restriction endonucleases that makes them suitable for genetic engineering.

Explain what are the desirable characteristics of an ideal cloning vector used in rDNA technology.

Describe two vectors less methods of gene transfer used in rDNA technology.

Why are bio-fertilizers preferred over chemical fertilizers?

What is the role of a probe in recombinant DNA technology?

Name and describe the technique that helps in separation of DNA fragments.

Which molecules are called molecular scissors? Why are they called so?

Explain the steps involved in the process of plant breeding.

The rDNA technology has provided a method to control the nematode parasite Meloidogyne incognita. Explain the principle involved in this technique.

Name the source of thermostable DNA polymerase.