List of top Questions asked in UP Board XII

Who coined the term 'linkage'?

Which of the following hormones is secreted by the placenta?

Describe the different types of ecological pyramids with a diagram.

What do you understand by DNA fingerprinting technique? Explain its process.

What is microsporogenesis? Describe microsporogenesis in an angiospermic plant with a diagram.

Write a short note on Pest Resistant Plant.

What do you understand by Gel Electrophoresis? Explain it.

What is Allergy? Explain with examples.

Write a short note on infectious diseases.

What is mutation? Explain with an example.

Explain the different types of biodiversity.

Explain gel-electrophoresis.

What do you understand by biocontrol? Explain about their benefits.

Explain the transcription unit.

Draw a labelled diagram of the sectional view of seminiferous tubules.

What is the difference between microsporangium and megasporangium?

Explain the causes, prevention and treatment of Malaria disease.

Write a note on Darwin's Finches.

Give one example of a sex-linked recessive disorder.

Define the word 'Health'. Explain the benefits of good health.

Which ecological pyramid is always upright?

Comment upon Biodiversity hot-spots.

What is the difference between food chain and food web?

Differentiate between m-RNA and t-RNA.

Energy flow in the ecosystem is: