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

1.	Separation	2.	Purification
3.	Preservation	4.	Expression

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:
1. green algae
2. chemosynthetic bacteria
3. blue-green algae
4. coral reefs

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:

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

Which of the following sets of diseases is caused by bacteria?
1. Cholera and tetanus
2. Typhoid and smallpox
3. Tetanus and mumps
4. Herpes and influenza