List of top Biology Questions

Write short note on adaptations of desert plants and animals.
How do biofertilizers increase the fertility of the soil?
What is double fertilization in plants? Who discovered it?
In humans, which type of chromosomes are responsible for sex determination?
Write the name of any one sexually transmitted disease and describe its control measures.
Which enzyme breaks the DNA molecule?
Which gas is released during the process of photosynthesis?
Genetic engineering is used in:
Name of vaccine for T.B. is:
In India, Ramdev Mishra is known as the father of which subject or studies?
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.
Write an essay on Biotechnology.
What do you mean by Biodiversity? Describe its different methods of conservation in detail.
Describe the process of microsporogenesis in Angiosperms with diagrams.
What are the causal organisms of typhoid and pneumonia? Give their symptoms.
Describe the Mendel's law of dominance.
What do you mean by polygenic inheritance? Describe with suitable example.
Describe the main characteristic features of Genetic Code.
Comment upon PCR.
Define sex linked inheritance. Explain it with haemophilia and colourblindness.