List of top Biology Questions

Explain the salient features of Genetic code.
Define Parturition. Give an account of different hormones involved during this process.
Describe the disorders from the following chromosomal abnormal arrangements: (i) Trisomy of Chromosome 21 (ii) XXY
Comment on in-situ and ex-situ conservation.
A colourblind father has a daughter with normal vision and the daughter marries a man with normal vision. What is the probability of her son being a carrier for colourblindness? Explain with pedigree chart.
Write short notes on Active Immunity and Vaccination.
Explain how distribution of animals and plants is affected by light, with examples.
Mention any three vectorless methods that are used to introduce recombinant DNA into competent host cell.
Explain Logistic Growth with equation.
Draw the schematic chart representation of Oogenesis.
Explain Stirred-tank Reactor.
Which type of cross is used to determine the genotype of tall pea plant? Explain.
Why did Mendel select pea plants for his experiments?
Comment on Organic Farming.
Write the names of any two cyanobacteria responsible for nitrogen fixation.
In lac operon, 'Z' and 'Y' genes code for which enzymes? Also mention their functions.
Explain Co-extinctions.
Draw only the structure of antibody molecule.
What is the difference between false fruit and true fruit? Under which category does the apple fall and why?
Write any two reasons why Mendel's theory of inheritance remained unrecognised till 1900.
Which bacterium did Frederick Griffith use for his research? Also mention the name of the disease caused by that bacterium.
Oxalis and Commelina produce which two types of flowers? Name them.
Which of the following condition is not maintained in a Bioreactor for optimum growth condition?
Which part of female reproductive system is responsible for the collection of ovum after ovulation?
Sickle cell anemia is caused by substitution of Glutamic Acid by which amino acid?