List of top Biology Questions asked in UP Board XII

Describe the structure of microsporangium with diagram.
Describe the common diseases found in humans.
Why did Mendel choose pea plants for his experiments?
What is placenta? Write its functions.
What do you understand by biopiracy?
Explain the difference between in-situ and ex-situ conservations.
State the characteristics of genetic code.
How many contrasting characters were there in the pea plant studied by Mendel?
What is the difference between dominance and recessiveness? .
A typical nucleosome contains how many base pairs of DNA helix?
State two distinctive properties of any population.
By which is the hormone named relaxin secreted?
What are fermented beverages? Write their names.
Write a note on Biosphere.
State the main features of human genome.
What is the total number of chromosomes in humans?
Write an essay on population explosion and its control.
Explain the dihybrid cross with the help of a checkerboard.
The study of mutual relations between the organism and its environment is called
The ability to regenerate is found in
Which enzyme joins DNA fragments?
Turner syndrome occurs due to
What do you mean by adaptation? Describe the various adaptations found in living organisms with suitable examples.
What are the cloning vectors? Briefly explain the characteristics of cloning vectors.
Describe Mendel's Law of Dominance.