List of top Questions asked in UP Board XII

Describe the common diseases found in humans.
Explain the difference between exonuclease and endonuclease enzymes.
By which is the hormone named relaxin secreted?
What is the total number of chromosomes in humans?
How many contrasting characters were there in the pea plant studied by Mendel?
A typical nucleosome contains how many base pairs of DNA helix?
State two distinctive properties of any population.
What is the difference between dominance and recessiveness? .
State the main features of human genome.
What are fermented beverages? Write their names.
Write a note on Biosphere.
Write an essay on population explosion and its control.
Explain the dihybrid cross with the help of a checkerboard.
What do you mean by adaptation? Describe the various adaptations found in living organisms with suitable examples.
The ability to regenerate is found in
Turner syndrome occurs due to
Which enzyme joins DNA fragments?
The study of mutual relations between the organism and its environment is called
What is restriction endonuclease? Give any two examples.
Describe Mendel's Law of Dominance.
Write short notes on any two of the following: ( Central dogma of molecular biology
( Parasitism
( Apomixis
What are fermented beverages? Describe them with examples.
What are the cloning vectors? Briefly explain the characteristics of cloning vectors.
What do you understand by sex-linked inheritance? Explain it with any one example.
Write an essay on the role of microorganisms in human welfare.