Biotechnology Sme - IV Final

1. Any three. <15>

a. Nitrogen cycle.

b. Factors affecting loss of biodiversity.

c. Types of positive interaction.

d. Conservation of biodiversity.

Or

What is ecosystem? Discuss different types of aquatic ecosystem with suitable example. <15>

2. Explain the metabolic diversity among prokaryotes. <15>

Or

Write short notes on: <15>

a. Bio magnification.

b. Xenobiotic.

c. Biodegradation.

3. Discuss in detail primary, secondary and tertiary treatment of waste water. <15>

Or

Write short notes on: <15>

a. Acid rain.

b. Bioremediation.

c. Physical properties of water.

4. What are bio fertilizers? Discuss its types and briefly explain advantages of bio fertilizers. <15>

Or

Discuss in detail about bioleaching. <15>

5. Define organic evolution. Discuss in detail natural selection of Darwin. <15>

Write short notes on: <15>

a. Prezygotic reproductive isolation mechanism.

b. Define allopatric, sympatric and quantum speciation.

c. Lamarkism or theory of inheritance of acquired character.