List of top Questions asked in Bihar Board XII- 2024

Write short notes on the following:
Allergy
How is gene of interest amplified by using PCR?
Write brief notes on the following:
Implantation
Explain the causes of biodiversity loss.
Describe the structure of microsporangium.
Explain double fertilization.
Write short notes on the following:
Primary immunity
How is the name given to restriction endonucleases?
What are spermatogonia, primary spermatocytes and secondary spermatocytes?
What are contraceptive pills? How do they function?
Write short notes on the following:
Phosphorus cycle
What is MOET?
What is ELISA?
What is cell mediated immunity?
How are DNA fragments separated and isolated?
What are the factors which affect population growth?
Explain parasitic adaptations.
What is cyclosporin-A and what is its use?
What is Dobson unit?
What are the primary and secondary productivities?
What is incomplete dominance?
What would be the blood group of offspring, if the blood group of mother is AB and blood group of father is O?
Draw the symbols used for male, female, mating and consanguineous mating in human pedigree analysis.
What are the goals of Human Genome Project?
Name the different species of Plasmodium. Which species is responsible for malignant malaria?