Q. No. 2.

Give an overview of National Parks of Pakistan and discuss current status of biodiversity in these parks.

(20)

 

Q. No. 3.

(a) Write down major reasons of success on earth in case of Arthropods.

(10)

(b) Explain different embryological stages in the development of an Echinoderm.

(10)

(20)

 

Q. No. 4.

(a) Describe different evolutionary trends in invertebrates and vertebrates reproduction.

(10)

(b) What do you know about endogenous and exogenous fishes of Pakistan?

(10)

(20)

 

Q. No. 5.

What do you know about Recombinant DNA technology? What are its basic steps and how this technology is beneficial to us?

(20)

 

Q. No. 6.

Discuss Green House Effect and Global Warming in the scenario of present climatic conditions.

(20)

 

Q. No. 7.

(a) Discuss the role of Hypothalamus in controlling pituitary gland function.

(10)

(b) How nervous system acts on animal behaviour? Explain with examples.

(10)

(20)

 

Q. No. 8.

Write short notes on TWO of the following topics:

(10 each)

(a) DNA Replication process in prokaryotes and eukaryotes

(b) Zoonotic Diseases

(c) Plate-Tectonics Theory

(20)

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