List of practice Questions

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?

How are 8 ascospores formed in Neurospora?

What is a man with female characteristics called?

What is morula?

Which of the following can live at more than one place in a trophic level of an ecosystem?

What is the nature of mesocarp in coconut?

Which of the following is responsible for the formation of androecium?

What is the number of linkage groups in human beings?

Which of the following represents the basic number of chromosomes?

Which of the following does coding of $\beta$-galactosidase in lac operon?