List of top Questions asked in UP Board XII- 2025

Why did Mendel choose pea plants for his experiments?
State the characteristics of genetic code.
Explain the difference between exonuclease and endonuclease enzymes.
Explain the difference between in-situ and ex-situ conservations.
What is placenta? Write its functions.
Describe the common diseases found in humans.
Describe the structure of microsporangium with diagram.
What do you understand by biopiracy?
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 the main features of human genome.
What are fermented beverages? Write their names.
State two distinctive properties of any population.
Write a note on Biosphere.
Turner syndrome occurs due to
Write an essay on population explosion and its control.
Which enzyme joins DNA fragments?
The ability to regenerate is found in
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 study of mutual relations between the organism and its environment is called
What is restriction endonuclease? Give any two examples.
Write an essay on the role of microorganisms in human welfare.
Describe Mendel's Law of Dominance.