List of top Biology Questions

Define pollination. Briefly describe different kinds of pollination in flowering plants.
Define population. Discuss different attributes of population.
Give a detailed account of various strategies adopted for the conservation of biodiversity.
What is transcription? Briefly describe the mechanism of transcription in prokaryotes.
Explain the role of pedigree analysis in human genetics. Add a note on symbols used in pedigree analysis.
Describe the principle of immunization in brief. Add a note on passive immunization.
Write short notes on the following: (i) Filariasis (ii) Polyembryony
Define immunity. Differentiate between innate and acquired immunity with suitable examples.
Define sewage. Describe the biological treatment of sewage in brief.
Briefly describe the steps of production of human insulin using rDNA technology.
With the help of two suitable examples, explain the vegetative propagation in plants.
Comment on tRNA.
What is restriction endonuclease? Give any two examples.
Briefly explain the inheritance of sex-linked recessive character in humans.
Define allele. Comment upon multiple allelism with examples.
Briefly explain Gause's competitive exclusion principle.
Define the term 'health'. Mention any two important factors to maintain good health.
Explain the type of pollination in cleistogamous flowers.
Give any two causes of biodiversity loss.
Comment upon the xerophytic adaptation in desert plants.
What is hybridization? Describe the process and importance of artificial hybridization in brief.
The phenotypic ratio of a Mendelian dihybrid cross is:
Define codominance.
Write the full form of ZIFT and MTP.
Testosterone hormone is secreted by: