List of top Questions asked in UP Board XII- 2026

Describe DNA fingerprinting technique in brief.
How would you produce pest resistant plants?
What do you understand by Widal test? Describe.
Write a note on Ganga action plan.
What is evolution? Write two evidences of evolution.
Describe allele and multiple allele.
Explain transfer RNA in brief.
Describe sterilisation in detail.
Describe the strategies for reproductive health.
Draw a labelled diagram of T.S. of a mature dithecous anther. (described in words, as a text-only labelled description)
Write the importance of cross pollination.
Write a short note on water pollinated plants.
Write a note on biological control of pests and diseases.
Write the causes of loss of biodiversity.
What is Mendelian disorder?
Write a note on organic farming.
Write the names of any two biodiversity hot-spots.
What is sporopollenin?
Name the gases which were used by S.L. Miller in the experiment of origin of life.
Which type of cell division occurs during cleavage?
What is cloning?
Citric acid is produced by:
Which of the following is known as universal codon?
Which of the following statements explains parasitism?
Why are transgenic animals produced? Highlight the reasons.