UP Board Class 12 Biology Question Paper 2025 PDF (Code 348 KL) is available for download here. The Mathematics exam was conducted on March 3, 2025 in the Morning Shift from 8:30 AM to 11:45 AM. The total marks for the theory paper are 100. Students reported the paper to be easy to moderate.
UP Board Class 12 Biology Question Paper 2025 (Code 348 KL) with Solutions
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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
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.
Explain the difference between in-situ and ex-situ conservations.
Describe the structure of microsporangium with diagram.
What is placenta? Write its functions.
State the characteristics of genetic code.
What do you understand by biopiracy?
Why did Mendel choose pea plants for his experiments?
Describe the common diseases found in humans.
Explain the difference between exonuclease and endonuclease enzymes.
What are biofertilizers? State the role of microorganisms in their production.
How does elephantiasis (Filariasis) occur?
What do you understand by Bt? Explain by giving an example of Bt-cotton.
What are the effects of drug and alcohol abuse on the body?
Explain the reasons for ozone depletion in the stratosphere.
What is megasporogenesis? Describe with a diagram the development of the female gametophyte in angiospermic plants.
Write notes on the following:
((A) Diagram of transverse section of female ovary.
Describe the structure of double helical DNA given by Watson and Crick with a diagram.
Write notes on the following:
((A) Colourblindness.
Describe different population growth models in brief.
Write an essay on biodiversity and its conservation.
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