RNA interference is used for which of the following purposes in the field of biotechnology?

1.	to develop a plant tolerant to abiotic stresses
2.	to develop a pest-resistant plant against infestation by nematode
3.	to enhance the mineral usage by the plant
4.	to reduce post-harvest losses

The laws and rules to prevent unauthorized exploitation of bio-resources are termed as:

1. Biopatenting

2. Bioethics

3. Bioengineering

4. Biopiracy

Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells):
1. A particular hormone
2. An antifeedant
3. A toxic protein
4. Both sense and anti-sense RNA

The technique of obtaining a large number of plantlets by tissue culture method is called:

1. Organ culture

2. Micropropagation

3. Micropropagation

4. Plantlet culture

What is the reason for the formation of embryoids from pollen grain in tissue culture medium?
1. Cellular totipotency
2. Organogenesis
3. Double fertilization
4. Test tube culture

Cellular totipotency is demonstrated by:
1. Only gymnosperm cells
2. All plant cells
3. All eukaryotic cells
4. Only bacterial cells

Match List - I with List - II

Choose the correct answer from the options given below:

Which of the following is not an application of PCR (Polymerase Chain Reaction)?

1. Purification of isolated protein

2. Detection of gene mutation

3. Molecular diagnosis

4. Gene amplification

When gene targeting involving gene amplification is attempted in an individual's tissue to treat disease, it is known as:
1. Molecular diagnosis
2. Safety testing
3. Biopiracy
4. Gene therapy

Nowadays, it is possible to detect the mutated gene causing cancer by allowing the radioactive probe to hybridise its complementary DNA in clone of cells, followed by its detection using autoradiography because: