List of top Biology Questions asked in UP Board XII

What is restriction endonuclease? Give any two examples.
Describe Mendel's Law of Dominance.
What are fermented beverages? Describe them with examples.
Write an essay on the role of microorganisms in human welfare.
Describe the semi-conservative method of DNA replication with suitable diagrams.
What are the cloning vectors? Briefly explain the characteristics of cloning vectors.
Write short notes on Lichen and Mycorrhiza.
Write the name of any one sexually transmitted disease and describe its condition in brief.
Describe the principle of immunization in brief. Also add a note on passive immunization.
What do you mean by bee-keeping? Explain in brief.
What is endosperm? Describe the process of development and its function.
What is a seed? Describe the structure of any one seed.
Hydrophytes are adapted to their environment. Explain with the help of examples and diagrams.
Comment upon human insulin.
Name two nitrogen-fixing microorganisms.
What is transcription?
Write the name of the bacteria that converts milk into curd.
Write the number of chromosomes in trisomic and monosomic conditions in humans.
Who is the father of Green Revolution in India?
Name the enzymes ( which cut the DNA at specific site and ( which join two DNA fragments.
What is a parthenocarpic fruit? Give one example.
What type of nucleus is found in bacterial cell?
In Mendel's monohybrid cross, the phenotypic ratio of long and dwarf pea is
Write two causes of biodiversity loss.
The name of pathogen of typhoid is