Q. Write two significance of bioreactors.

Q. Write four essential requirements of genetic material.

Q. Draw a well labelled diagram showing structure of L.S of Maize grain.

Q. What is meant by the monosporic development of female gametophyte? Explain the development of female gametophyte with well-labelled diagrams.

Q. Enlist four causes that may lead to the loss of biodiversity.

Q. Name the embryonic phase which changes zygote into blastula.

Q. Define pollution. What measures as an individual would you take to reduce environmental pollution?

Q. Write a brief note on Genetically Engineered Insulin.

Q. Differentiate between Homozygous and Heterozygous organisms.

Q. Differentiate between innate immunity and acquired immunity.

Q. Which cause speciation according to Hugo de vries?

Q. What are Point Mutations? Give one example of Point Mutations.

Q. Define Infertility. Name two assisted reproductive technologies. Briefly explain test tube baby.

Q. Expand the term ELISA.

Q. Name the stage in organisms before they reproduce sexually.

Q. Define Allergy. Give any two symptoms of Allergic reactions.

Q. What is linkage? Describe its types. Give four factors affecting Linkage.

Q. Explain briefly:
i. Vaccination
ii. Inbreeding Depression

Q. a. Briefly explain ecological pyramids
b. Define primary productivity. Give two factors which affect primary productivity.

Q. What is the significance of UTRs present in the mRNA strand?

Q. a. Define parturition. Name the hormones involved in the induction of Parturition.
b. In our society women are often blamed for giving birth to daughters. Can you explain why this not correct?

Q. Define Niche.

Q. Define Mutualism with one example.

Q. Discuss briefly the role of microbes in household products.

Q. a. Discuss briefly various paleontological evidences in favour of Evolution.
b. What is pedigree analysis? Give two significance of pedigree analysis.