List of top Questions asked in UP Board XII- 2026

Write explanatory notes on the following: (i) Transgenic plants (ii) Transfer of recombinant DNA into host cells.
Describe the life-cycle of Plasmodium with a diagram.
Write an essay on the importance of microbes in household products.
Describe the structure of an ecosystem in detail.
What is productivity? What is its importance in an ecosystem?
Write a short note on chromosomal disorders.
Write a note on the chromosomal theory of inheritance.
Draw a labelled diagram of a dehisced anther.
Which test confirms typhoid fever? Describe its symptoms.
Describe the properties of genetic material.
Explain hibernation with an example.
Give a brief description of the decomposition cycle with a diagram.
Draw the diagram of the male reproductive system.
Define cancer.
Name any two fungal species which are used in the production of antibiotics.
Describe the functions of a promoter.
What is colostrum? Highlight its usefulness.
What do you understand by intra-uterine insemination?
Define somatic hybridisation.
What is DNA fingerprinting? What is its importance in human life?
Write a brief description of a bioreactor.
Write the name of any one project being run to save rivers from pollution.
Write one example of bio-fertilizer.
What is a green plant called in the terminology of an ecosystem?
Define detritivore with an example.