List of top Questions asked in UP Board XII- 2025

The correct order of increasing acid strength is

Which of the following gives a positive Fehling's solution test?

Best method of preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is

Compound of which transition metal ion is colourless?

Oxidation number of cobalt in K[Co(CO)$_4$] is

Example of gaseous solution is

Write a note on Colour blindness.

Write a note on Thalassaemia.

Write an essay on search for genetic material.

What do you understand by biodiversity? How can it be preserved?

Explain Oparin's theory related to the origin of life.

Describe the menstrual cycle with a diagram.

Write a note on immunity.

Describe the structure of a typical ovule with a diagram.

What are antibiotics? What is their importance in human life?

Explain the difference between chemical fertilizer and biofertilizer.

What is the use of biotechnology in the field of medicine?

What is a plasmid? Explain.

What is plant succession? Explain with an example.

Explain the law of incomplete dominance with an example.

What are nucleosides? Explain.

Describe the structure of human sperm with diagram.

What is opioid drug? Explain.

What is Apomixis? Explain with example.

Write a note on genetic engineering.