List of top Questions asked in UP Board XII

The ability to regenerate is found in
The study of mutual relations between the organism and its environment is called
What do you understand by sex-linked inheritance? Explain it with any one example.
What are the cloning vectors? Briefly explain the characteristics of cloning vectors.
What are fermented beverages? Describe them with examples.
What is restriction endonuclease? Give any two examples.
Write an essay on the role of microorganisms in human welfare.
Describe the semi-conservative method of DNA replication with suitable diagrams.
Describe Mendel's Law of Dominance.
Write short notes on any two of the following: ( Central dogma of molecular biology
( Parasitism
( Apomixis
What is a seed? Describe the structure of any one seed.
Write the name of any one sexually transmitted disease and describe its condition in brief.
What is endosperm? Describe the process of development and its function.
Write short notes on Lichen and Mycorrhiza.
Hydrophytes are adapted to their environment. Explain with the help of examples and diagrams.
What do you mean by bee-keeping? Explain in brief.
Describe the principle of immunization in brief. Also add a note on passive immunization.
Comment upon human insulin.
What is transcription?
What type of nucleus is found in bacterial cell?
Who is the father of Green Revolution in India?
What is a parthenocarpic fruit? Give one example.
Write the name of the bacteria that converts milk into curd.
Name the enzymes ( which cut the DNA at specific site and ( which join two DNA fragments.
Name two nitrogen-fixing microorganisms.