UPSC CSE 2025 Biology Previous Year Questions

Regarding Peacock tarantula (Gooty tarantula), consider the following statements:

I. It is an omnivorous crustacean.

II. Its natural habitat in India is only limited to some forest areas.

III. In its natural habitat, it is an arboreal species.

Which of the statements given above is/are correct?

Consider the following pairs:

Plant: Cassava | Description: Woody shrub

Plant: Ginger | Description: Herb with pseudostem

Plant: Malabar spinach | Description: Herbaceous climber

Plant: Mint | Description: Annual shrub

Plant: Papaya | Description: Woody shrub

How many of the above pairs are correctly matched?

With reference to monoclonal antibodies, often mentioned in news, consider the following statements:

I. They are man-made proteins.

II. They stimulate immunological function due to their ability to bind to specific antigens.

III. They are used in treating viral infections like that of Nipah virus.

Which of the statements given above are correct?

Consider the following statements:

I. No virus can survive in ocean waters.

II. No virus can infect bacteria.

III. No virus can change the cellular transcriptional activity in host cells.

How many of the statements given above are correct?