List of top Biology Questions asked in UP Board XII

Give names of any two artificial ecosystems.

What are alleles?

Name the hormone synthesised and secreted by Leydig cells.

Write the names of different parts of a typical stamen.

Give a classical example of adaptive radiation.

Which of the following is an example of commensalism?

Mendel’s finding related to inheritance of characters were rediscovered by:

Describe the components of a water ecosystem in detail.

Write an essay on biodiversity conservation.

Cells of which layer of microsporanguim are binucleate?

Write an essay on evidence for evolution of life on Earth.

Describe lac-operon with diagram.

Ti plasmid vector is used to deliver gene of interest into which of the following hosts?

Draw a labelled diagram of the sectional view of the mammary gland.

Write a note on cloning vectors.

Write the importance of species diversity in an ecosystem.

What is Pollination? How many types of pollination are there? Describe with examples.

What is the Menstrual cycle? Describe its main steps.

Give a short introduction of any two drugs.

Write a note on the effect of alcohol.

Write the complete form of G.M.O. Highlight its importance.

Write the full form of A.R.T. What is its importance in human life?

Write two characteristics of genetic code.

Write the name of all types of RNA found in prokaryotes.

Differentiate between co-dominance and incomplete dominance.