IFS-2000: Zoology
Paper-II
Section A

1 Distinguish between any four of the following: (Each answer may be in about 150 words)

Endoplasmic Reticulum and Ribosomes.

First and Second Law of Inheritance as proposed by Mendel.

Genes and Chromosomes.

Species and Subspecies.

Cytoplasmic and Nuclear Inheritance

2 What is Biochemical Genetics? Describe with suitable examples

3 Describe Isolating Mechanisms and their role in Evolution

4 Write notes on the following:

Mitochondria

Watson-Crick Model of DNA

Lamarckism

Eugenics (10 × 4 40)

Section B

5 Distinguish between any four of the following: (Each answer maybe in about 150 words):

ATP and Cyclic AMP.

Saturated and Unsaturated fatty acids.

Nephron and Neuron.

Role of Salivary Gland and Liver.

Gametogenesis and Metamorphosis (10 × 4 40).

6 Describe the structure of Adrenal gland and discuss its functions

7 Describe the different types of Placenta and their functions

8 Write notes on the following:

Mechanism of Enzyme Action

Temperature Regulation in man

Role of Pituitary

Types of Muscles

Regeneration × 5 40)