List of top Biology Questions asked in UP Board XII

Write short note on adaptations of desert plants and animals.
What is double fertilization in plants? Who discovered it?
How do biofertilizers increase the fertility of the soil?
How many chromosomes are found in Turner and Klinefelter syndromes?
Explain the Mendel's Law of Segregation.
In humans, which type of chromosomes are responsible for sex determination?
What are the functions of Leydig cells?
Draw only a labelled diagram of DNA double helix model as proposed by Watson and Crick.
Write the name of any one sexually transmitted disease and describe its control measures.
What is biodiversity hotspot?
Which gas is released during the process of photosynthesis?
Which enzyme breaks the DNA molecule?
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.
Describe the process of microsporogenesis in Angiosperms with diagrams.
Write an essay on Biotechnology.
What are the causal organisms of typhoid and pneumonia? Give their symptoms.
What do you mean by Biodiversity? Describe its different methods of conservation in detail.