Q. What is eutrophication?

Q. Name the microbe used in the production of citric acid.

Q. Deficiency of which vitamin causes the disease scurvy.

Q. Name the diseases caused by the following organism.
a) Rhinovirus
b) Empidermophyton
c) Salmonella typhi
d) Wuchereria malavi
e) Plasmodium vivax

Q. Mention three causes for the loss of biodiversity.

Q. Mention the types of carcinogens with an example of each.

Q. What is significance of selectable marker in cloning vector?

Q. Write two factors affecting Hardy - Weinberg principle.

Q. Mention the asexual reproduction structures produced by sponge.

Q. What is infertility? Give reasons for infertility in humans.

Q. Describe the structure of pollen grain of angiosperms.

Q. Draw neat labelled diagram of simple stirred tank bioreactor.

Q. List the hormones produced by the placenta during pregnancy.

Q. What is pollination? Mention any four features of wind pollinated flowers.

Q. What is micro-injection?

Q. Define endemism.

Q. Mention four symptom's of Down's syndrome.

Q. What are hermaphrodite?

Q. Why DNA replication is called semiconservative?

Q. Draw neat labelled diagram of human male reproductive system.

Q. Explain Mendel's experiments to describe inheritance of one gene with reference to height of pea plants.

Q. What are the criteria of DNA to act as genetic material?

Q. List the salient features of human genome.

Q. Give an example for gaseous cycle.

Q. Name the type of vegetative propagules in following plants.
(a) Potato
(b) Ginger
(c) Bryophyllum

Q. Write the meaning of following terms.
(a) Explant
(b) Totipotency
(c) Somaclones

Q. What is incomplete dominance? Give an example.

Q. Codon AUG has dual function. Justify.

Q. Name the nucleic acid which is responsible for genetic information.