Ques 1.

Define megasporogenesis. Why is it considered important for the sexually reproducing plants?

Ques 2.

Differentate between gametophytic and sporophytic incompatibility.

Ques 3.

What is vivipary? How does it help the mangrove species to survive in their saline/estuarine habitat?

Ques 4.

Define dormancy. What is the importance of seed coat in contracting dormancy?

Ques 5.

Parthenocarpy

Ques 6.

Cellular Totipotency

Ques 7.

Senescence of Chloroplasts

Ques 8.

Techniques of Plant Tissue Culture

Ques 9.

Fate of CFU-M, L stem cells in mammals

Ques 10.

Test of genomic equivalence

Ques 11.

Role of morphogenetic field in development of eye

Ques 12.

Role of prothoracic gland in insect metamorphosis

Ques 13.

List out the different germ layers present in the gastrula

Ques 14.

Name the three zones from the outer to the inner side of neural retina.

Ques 15.

List the secondary egg envelopes in chick.

Ques 16.

What is blastema? What is its role in the regeneration of the limb in urodele (salamander)?

Ques 17.

How does the Rubella virus infection in a 4-5 weeks pregnant woman affect the unborn baby?

Ques 18.

Allometric and isometric growth

Ques 19.

Totipotency and pluripotency

Ques 20.

Holoblastic and meroblastic cleavage

Ques 21.

Morphollaxis and epimorphosis

Ques 22.

Explain with neat, labelled diagrams the following:
i) Stages in vertebrate spermatogenesis
ii) Circulatory system changes during human development from foetal to infant stage
iii) Incomplete extensive metamorphosis in dragon files
iv) The process of cell death in the control of pattern formation of limbs