List of top Biology Questions

Write short notes on adaptation of desert plants and animals.
What is pollination? Write a note on the types of pollination of plants.
Describe the role of any three micro-organisms in the production of household food materials.
Draw a labelled diagram of an ovule including embryo-sac in a flowering plant.
Draw a clean and labelled diagram of the life-cycle of malaria parasite.
Comment upon any three chromosomal aberrations (syndrome) found in humans.
Write an essay on population explosion and its control measures.
Give an account on Biosphere Reserves and National Parks.
Describe the semiconservative method of DNA replication with diagram.
Define menstrual cycle. Give an account on hormonal interplay during it.
Describe any three important characteristics of population.
Comment upon sewage treatment.
What is the role of RNA in protein synthesis?
Draw only a labelled diagram of a sperm of man.
Write a short note on BT cotton.
What are active and passive immunity?
Write the name of first amino acid and initiation codon for the initiation of protein synthesis.
Describe Mendel's 'law of dominance'.
How many chromosomes are found in humans?
What is the difference between sugar of RNA and DNA?
Who is known as the father of 'Green Revolution' in India?
The number (X) of chromosomes in the endosperm of the angiospermic plant is
Write in brief 'In Vitro Fertilization' (IVF).
Which bacteria converts milk into curd?
The name of pathogen of typhoid is