The Animal Kingdom — 10 Biology PYQs with Answers | UKPSC PYQ Hub

Question 1

Which of the following is an actual fish?

Accepted Answer

Cat fish. Cat fish is an true fish. Silver fish are grayish - silverish insects that feed on sugar and starches. Crayfish falls under phylum Mollusca. Jellyfish is not a vertebrate animal and does not fall into the category of fish.

Question 2

Which of the following group of animals are usually nocturnal in nature?

Accepted Answer

Mosquito, Bats, Owls. Owl, Bats and Mosquitoes are the group of animals which are usually nocturnal in nature. Nocturnality is an animal behavior in which the animal remains active during the night and sleeps during the day. Creatures that sleep during the day and are active at night are known as nocturnal, and they take the form of both predators and prey.

Question 3

Seal belongs to the family of?

Accepted Answer

Mammals. Seals are semi-aquatic mammals that are in a group called pinnipeds, meaning ‘fin-footed’. Seals have fins and flippers instead of legs and are beautifully adapted for life in the water. They live chiefly in cold seas and whose body shape is round at the middle and tapered at the ends, is adapted to swift and graceful swimming.

Question 4

Dolphin is an example of which class?

Accepted Answer

Mammalia. Dolphin is an example of Mammal. Like every mammal, Dolphins are warm blooded. Unlike fish, who breathe through gills, dolphins breathe air using lungs. The government of India declared Ganga river Dolphin as its National Aquatic Animal in 2009.

Question 5

Name of the first transgenic animal is

Accepted Answer

Dolly. Dolly (sheep) was the first transgenic animal worldwide. Transgenic animals are the animals with the modified genome. A foreign gene is inserted into the genome of the animal to alter its DNA. This method is done to improve the genetic traits of the target animal. Transgenic is the phenomenon in which a foreign gene with desired characteristics is introduced into the genome of the target animal. The foreign gene that is introduced is known as the transgene, and the animal whose genome is altered is known as transgenic. These genes are passed on to the successive generations. The transgenic animals are genetically engineered and are also known as genetically modified organisms.

Question 6

Which of the following animals have three hearts and blue blood?

Accepted Answer

Octopus. Octopus have three hearts and blue blood due to the presence of hemocyanin, a copper-containing molecule that carries oxygen.

Question 7

Fish generally breathe through

Accepted Answer

Gills. Gills are the external organ for breathing in fishes, located near the mouth. Fishes take in water through its mouth and force it to pass through gills. The dissolved oxygen from water is absorbed into blood through the walls of gills.

Question 8

The bird that can move its upper jaw is

Accepted Answer

Parrot. Birds can move both their upper and lower jaws, but fruit eating birds like parrots and Macaws can also their upper jaws sideways, exerting enough force and pressure to crack open tough seeds or fruit stones, and to hang onto branches as they make their way to be next food source.