The yellowish fluid colostrum is secreted by mother during initial days of lactation, mention the antibody present in it and mention the type of immunity.

Which of the following are homologous or analogous (Indicate H for homologous and A for Analogous)

a. Wing of bat and butterfly _________

b. Wing of bat and flipper of whale ______

c. Wing of butterfly and flipper of whale __________

d. Flipper of whale and wing of bird _________

How does incomplete dominance differ from co-dominance?

With the help of a suitable example mention the role of microbes in:

a. Single cell protein

b. Organic farming

Differentiate between

a. Benign and malignant tumours

b. Viral oncogenes and protooncogenes