Mucosa Associated Lymphoid Tissue (MALT)

Types of antennae in insects

What are the different types of hypersensitivity, according to Gell and Coombs? Briefly explain.

What is immune deficiency? Explain how our immune system prevents autoimmunity?

Give a brief account of the secondary lymphoid organs of the Immune System.

List various innate immune system barriers and protection mechanisms.

Mouthpart modifications in insects

Which structural, developmental and behavioristic characteristics make insects highly successful organisms on Earth? Explain.

Explain in detail the technique used for determining the age of rocks.

Explain the Trisomy 13 - Patau syndrome in detail.

Describe the progressive evolution of mammals from their synapsid ancestors.

Explain the natural causes of extinction of a species.

Discuss the modes of development of mammals.

Write a note on the applications of polyploidy.

The special adaptations of birds all contribute to two factors essential for flight namely, more power and less weight. Explain how each of the following contributes to one of the other or both:

(i) Endothermy

(ii) Respiratory system

(iii) Skeletal system

(iv) Excretory system.

What is speciation? Explain the mode of speciation.

Dosage compensation

What are the three main reptile lines that evolved from the amniotes during the Mesozoic era and from which lineage did the present day reptiles evolve? How would you distinguish among the anapsid, diapsid and synapsid types of skull?

Frame shift mutation

Explain the mechanism of circulation in amphibians.