List of top Questions asked in UP Board XII

Describe the semi-conservative method of DNA replication with suitable diagrams.
Write the name of any one sexually transmitted disease and describe its condition in brief.
Write short notes on Lichen and Mycorrhiza.
What do you mean by bee-keeping? Explain in brief.
What is a seed? Describe the structure of any one seed.
Describe the principle of immunization in brief. Also add a note on passive immunization.
What is endosperm? Describe the process of development and its function.
Hydrophytes are adapted to their environment. Explain with the help of examples and diagrams.
Comment upon human insulin.
Write the number of chromosomes in trisomic and monosomic conditions in humans.
Write the name of the bacteria that converts milk into curd.
Who is the father of Green Revolution in India?
What type of nucleus is found in bacterial cell?
Name two nitrogen-fixing microorganisms.
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 is transcription?
The endosperm of angiospermic plant is
In Mendel's monohybrid cross, the phenotypic ratio of long and dwarf pea is
The name of pathogen of typhoid is
Which one of the following characters does not belong to xerophytic plant?
Write two causes of biodiversity loss.
Describe in brief the exponential growth curve with the help of a suitable example.
Explain the formation of Embryo sac with the help of a diagram.
Write short notes on any two of the following: ( Red Data Book