Q. Animals active at night are

Explanation by: Official MCQ Buddy

Animals that are active at night and rest during the day are called nocturnal. Examples include owls, bats, and certain species of cats and insects.
(A) Nocto-Diurnal – Incorrect; this term is not commonly used.
(C) Parasites – Incorrect; parasites can be active at any time and are not necessarily nocturnal.
(D) Diurnal – Incorrect; diurnal animals are active during the day and rest at night (e.g., humans, squirrels, and eagles).