Free Kingdom Animalia MCQs with Answers

• A. Sponge
• B. Hydra
• C. Liver fluke
• D. Ascaris

Explanation: Hydra shows a tissue level of organization. This means its body is made up of many cells that are grouped into two main layers (tissues)…

• A. Metamorphosis
• B. Neoteny
• C. Metagenesis
• D. All of these.

Explanation: Obelia belong to the Phylum Coelenterata. In Obelia, the lifecycle includes two clearly defined phases i.e a fixed polypoid phase (hydroid…

• A. Folding of inner walls
• B. Gastrovascular system
• C. Reproduction
• D. Porous walls

Explanation: Canal system in sponges develops due to folding of body wall. Three types of canal systems in sponges are ascon type, sycon type and…

• A. Are attached to the substratum
• B. Have one opening of alimentary canal
• C. Live in water
• D. Have ciliary mode of feeding

Explanation: The organisms attached to the substratum possess radial symmetry in all vertical planes. All the animals belonging to cnidaria (e.g.

• A. Life history has pig as intermediate host
• B. There are two large suckers on scolex
• C. Rostellar hooks are absent
• D. Rostellum has double circle of hooks

Explanation: The beef tapeworm Taenia saginata is similar to the pork tapeworm Taenia solium, in structure and life history.

• A. Rana tigrina
• B. R. sylvatica
• C. R. ecutesbeiana
• D. R. esculenta

Explanation: The common Indian bull frog Rana tigrina lives in or near permanent freshwater lakes, ponds and streams.

• A. Echinoidea
• B. Asteroidea
• C. Holothuroidea
• D. Ophiuroidea

Explanation: Aristotle's lantern occurs in the Class Echinoidea. Five teeth surrounding the mouth are attached to a masticatory apparatus call…

• A. Ascon type
• B. Leucon type
• C. Sycon type
• D. Radial type

Explanation: Sponges belong to the Phylum Porifera. Ostia, spongocoel and osculum together form a canal system which is characteristic of all sponges.

• A. Bilateral symmetry
• B. Radial symmetry
• C. Porous body
• D. Soft skin

Explanation: Radial symmetry is the arrangement of parts in an organ or organism such that cutting through the centre of the structure in any direction…

• A. Branching
• B. Spicules
• C. Reproduction
• D. Symmetry

Explanation: The Phylum Porifera is divided into three classes on the basis of spicules (skeleton) : calcarea or calcispongiae, hexactinellida or…

• A. Housefly
• B. Bed bug
• C. Sand fly
• D. Fruit fly

Explanation: Visceral leishmaniasis, also known as kala azar and black fever, is the most severe form of leishmaniasis, a disease caused by parasites…

• A. Useful
• B. Harmful
• C. More useful than harmful
• D. More harmful

Explanation: Earthworms are very useful. All over the world they are used as bait for fishing. Earthworms are in general beneficial to agriculture.

• A. Sea snake
• B. Glass snake
• C. Blind snake
• D. Grass snake

Explanation: Typhlops is a genus of blind snakes (non poisonous snakes) found in Europe, Africa, Asia and Central and South America.

• A. Hell bender
• B. Congo eel
• C. Mud puppy
• D. Blind worm

Explanation: The necturus is a mud puppy belonging to the Order Urodela of Class Amphibia. Hell bender is a large salamander.

• A. Tubipora
• B. Astraea
• C. Helipora
• D. Fungia

Explanation: The common name of the Tubipora is Organ Pipe Coral. It is a marine animal of the Class Anthozoa (Phylum Cnidaria).

• A. Nervous system located is dorsally and consists of segmentally arranged ganglia joined by a pair of longitudinal connectives.
• B. Males bear a pair of short thread like anal styles.
• C. There are 16 very long Malpighian tubules present at the junctions of the midgut and hindgut.
• D. Grinding of food is carried out only by the mouth parts.

Explanation: Nutrition The posterior segment of cockroaches bears appendages called anal cerci.

• A. Four pairs of spermathecae in the 4th and 7th segments
• B. One pair of ovaries attached at the intersegmental septum of the 14th and 15th segments
• C. Two pairs of testes in the 10th and 11th segments
• D. Two pairs of accessory glands in the 16th and 18th segments

Explanation: In the Pheretima, two pairs of the testis sac are situated in the tenth and eleventh segments.

• A. Their burrows make the soil loose
• B. They make the soil porous, leave their castings and take organic debris in the soil
• C. They are used as fish meal
• D. They kill the birds due to biomagnification of chlorinated hydrocarbons

Explanation: Pheretima Posthuma are highly useful and beneficial in agriculture. Their habit of burrowing and swallowing earth makes it porous and…

• A. Motile
• B. Aquatic lifestyle
• C. Locomotion by limbs
• D. Heterotrophy

Explanation: All animals are heterotrophs, which means they rely on consuming other organisms for nutrition.

• A. Blastostyle
• B. Blastocoel
• C. Blastocyst
• D. Mesoderm

Explanation: The body cavity that is formed from Blastocoel (cavity that is formed at blastula stage of developing embryo) is called pseudocoelom.