A foreign DNA and plasmid cut by the same restriction endonuclease can be joined to form a recombinant plasmid using?

1. Eco Rl

2. taq polymerase

3. polymerase lll

4. ligase

Which of the following is not a component of downstream processing?

Which of the following restriction enzymes produces blunt ends?

1. Sal l

2. Eco RV

3. Xho

4. Hind lll

Which kind of therapy was given in 1990 to a four-year-old girl with Adenosine Deaminase (ADA) deficiency?

1. Gene therapy

2. Chemotherapy

3. Immunotherapy

4. Radiation therapy

How many hotspots of biodiversity in the world have been identified till date by Norman Myers?

1. 17

2. 25

3. 34

4. 43

The primary producers of the deep-sea hydrothermal vent ecosystem are:

Which of the following is correct for r-selected species?

1. Large number of progeny with small size

2. Large number of progeny with large size

3. Small number of progeny with small size

4. Small number of progeny with large size

If '+' sign is assigned to beneficial interaction, '–' sign to detrimental and '0' sign to neutral interaction, then the population interaction represented by '+' '–' refers to:

1. mutualism

2. amensalism

3. commensalism

4. parasitism

Which of the following is correctly matched?

Red List contains data or information on?

1. all economically important plants

2. plants whose products are in international trade

3. threatened species

4. marine vertebrates only