List of top Questions asked in UP Board XII

Draw different trophic levels in an ecosystem with a line diagram.

Write an essay on the importance of Biotechnology in Agriculture.
What is cancer? Describe the causes and treatment of cancer in detail.
Describe Biogas plant with diagram.
Describe the polymerase chain reaction with line diagram.
Write an essay on human evolution.
Explain linkage and recombination with example.
Describe the different components of an ecosystem.
Describe the Hardy-Weinberg principle.
Describe any two functions of a promoter.
What are parthenocarpic fruits? Give one example.
Write an essay on Biosphere Reserves and National Parks.
Write short notes on the following: Lymphocytes in human blood
Explain the features required to facilitate cloning into a vector.
Convergent evolution
Describe the processes of triple fusion in angiospermic plants.
Write a note on Nucleotide.
Describe the medicinal use of microorganisms.
Write a note on Natural Selection.
Write a short note on any three chromosomal aberrations (syndromes) found in humans.
What do you mean by Medical Termination of Pregnancy (MTP)?
What is Gel Electrophoresis?

(i) Explain Kohlrausch's law. Write its applications.

Explain Lanthanide contraction with reason.

Zn\(^{2+}\) salts are white while Cu\(^{2+}\) salts are blue in colour. Why?