Q. Describe the tissue culture technique and what are the advantages of tissue culture over conventional method of plant breeding in crop improvement programmes.

Q. "Transpiration is necessary evil". Explain.

Q. What are pleomorphic bacteria? Give an example.

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

Q. What is downstream processing?

Q. Define hydroponics.

Q. In a typical DNA molecule, the proportion of thymine is 30% of the N bases. Find out the percentages of other N bases.

Q. Explain the reactions of Kreb's cycle.

Q. Explain the structure of the chloroplast. Draw a neat labelled diagram.

Q. Explain the various processes of recombinant DNA technology.

Q. Give any two microbes that are useful in biotechnology.

Q. Explain the structure of T.M.V.

Q. What are fermentors?

Q. What are some biosafety issues concerned with genetically modified crops?

Q. Distinguish between apoenzyme and cofactor.

Q. Explain the steps involved in the formation of root nodule.

Q. What are the differences between DNA and RNA?

Q. What is the function of the codon AUG?