List of top Questions asked in Bihar Board XII

Describe biofortification in brief.

What is the importance of Red Data Book?

Write any two differences between integument and testa.

Explain any two differences between c-DNA and s-DNA.

What is epistasis?

What do you understand by ground water? Describe the causes for its depletion and remedies.

Explain the differences between any two of the following: (a) Food chain and food web

Present a neat, clean, and well-labelled diagram of an embryo inside the human uterus.

Write any two symptoms of sickle cell anaemia.

What are sacred groves?

Define commensalism and write two examples.

What are pathogens? Write the names of any one plant and one animal pathogen.

Define germplasm.

What is gene library?

Mention any two harmful effects of sewage.

What is mycorrhiza?

Mention any two benefits of self-pollination.

What do you mean by camouflage?

Mention any two advantages of genetically modified animals.

What is Klinefelter syndrome?

Write the names of any four species along with their scientific names.

Write two differences between ontogeny and phylogeny.

At which of the following stages is the embryo transferred to the fallopian tube?

Which of the following refers to the scientific study of human population?

By which of the following means is the colour of skin determined in human beings?