List of top Biology Questions

Write the names of any two cyanobacteria responsible for nitrogen fixation.
Explain Co-extinctions.
Draw only the structure of antibody molecule.
Which type of cross is used to determine the genotype of tall pea plant? Explain.
Why did Mendel select pea plants for his experiments?
How many peptide bonds does each antibody molecule have?
Which part of female reproductive system is responsible for the collection of ovum after ovulation?
Which of the following condition is not maintained in a Bioreactor for optimum growth condition?
Which bacterium did Frederick Griffith use for his research? Also mention the name of the disease caused by that bacterium.
Sickle cell anemia is caused by substitution of Glutamic Acid by which amino acid?
Oxalis and Commelina produce which two types of flowers? Name them.
Write any two reasons why Mendel's theory of inheritance remained unrecognised till 1900.
Which of the following is not a characteristic of pollination by wind?
Write short notes on the following: (i) Biodiversity hotspot (ii) Biopiracy
What is double fertilization? Explain.
What are cloning vectors? Briefly explain the characteristics of cloning vectors.
Describe the process of spermatogenesis in brief. Add a note on the role of FSH and LH in spermatogenesis.
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.
Write short notes on the following: (i) Filariasis (ii) Polyembryony
What is restriction endonuclease? Give any two examples.
Briefly describe the steps of production of human insulin using rDNA technology.