List of top Biology Questions

Draw only a labelled diagram of DNA double helix model as proposed by Watson and Crick.
What are the functions of Leydig cells?
In humans, which type of chromosomes are responsible for sex determination?
Which enzyme breaks the DNA molecule?
Which gas is released during the process of photosynthesis?
Genetic engineering is used in:
In India, Ramdev Mishra is known as the father of which subject or studies?
Name of vaccine for T.B. is:
The point where the funicle is attached to the body of the ovule is called:
Draw only labelled diagram of a DNA double helix structure.
Draw a labelled line diagram of women's reproductive system.
Describe the dihybrid cross with the help of checker board.
What do you mean by adaptations? Describe various adaptations in living organisms with suitable examples.
Describe the structure of human sperm and ovum with diagrams.
What do you mean by Biodiversity? Describe its different methods of conservation in detail.
Write an essay on Biotechnology.
What are the causal organisms of typhoid and pneumonia? Give their symptoms.
Describe the process of microsporogenesis in Angiosperms with diagrams.
Comment upon PCR.
Describe the main characteristic features of Genetic Code.
Define sex linked inheritance. Explain it with haemophilia and colourblindness.
Describe the Mendel's law of dominance.
What do you mean by polygenic inheritance? Describe with suitable example.
What is endosperm? Describe the process of its development and functions.
What do you understand by transcription? Describe it.