Q. Explain briefly the various processes of recombinant DNA technology.

Q. What are the measures one has to take to prevent contracting STDs?

Q. Draw a neat labelled diagram of lateral section of a tooth.

Q. Write a note on agricultural/horticultural applications of auxins.

Q. Explain how hypothyroidism and hyperthyroidism can effect the body?

Q. Write about the procedure involved in MRI.

Q. Explain the term layer and broiler.

Q. Explain Darwin's theory of natural selection with industrial melanism as an experimental proof.

Q. Ray was not a pawnbroker. Why then did he lend money to people in exchange for their old watches and clocks?

Q. Describe the male reproductive system of human. Draw a labelled diagram.

Q. Write the important features of genetic code.

Q. Describe the structure of synovial joint with the help of a neat labelled diagram.

Q. Differentiate osmosis from diffusion.

Q. Write briefly about enzyme inhibitors.

Q. What are Complement Proteins ?

Q. Write notes on the working of the heart of human.

Q. What is criss cross inheritance? Explain the inheritance of one sex linked recessive character in human beings.

Q. Differentiate between perforins and granzymes.

Q. Explain the reactions of Kreb's cycle.

Q. Name any two industrially important enzymes.

Q. Can a disease be detected before its symptoms appear? Explain the principle involved.

Q. What is chyme?

Q. What is Conjugation? Who discovered it and in which organism?

Q. "Transpiration is a necessary evil". Explain.

Q. What is organ of Corti?

Q. What is amniocentesis? Name any two disorder that can be detected by amniocentesis.

Q. Where does the photolysis of $H_{2}O$ occur? What is its significance ?

Q. Describe disorders of respiratory system.

Q. Describe erythroblastosis foetalis.