Free Kingdom Animalia MCQs with Answers

181. _is an intestinal parasite of man belonging to phylum Nematoda.

• A. Taenia solium
• B. Ascaris lumbricoides
• C. Tucheront abaneroli
• D. Schistosoma

Explanation: Ascaris lumbricoides worms inhabit the lumen of the small intestine of human and pig.

182. The larva formed during the life cycle of Annelida is:

• A. Glochidium larva
• B. Bipinnaria larva
• C. Trochophore larva
• D. Tornaria larva

Explanation: Trochophore, also called trochosphere, small, translucent, free-swimming larva characteristic of marine annelids and most groups of mollusks.

183. Platyhelminthes are:

• A. Bilaterally symmetrical and diploblastic
• B. Bilaterally symmetrical and triploblastic
• C. Radially symmetrical and triploblastic
• D. Radially symmetrically and diploblastic

Explanation: Platyhelminthes have the following important characteristics: They are triploblastic, acoelomate, and bilaterally symmetrical. They may be free-living or parasites.The body has a soft covering with or without cilia.Their body is dorsoventrally flattened without any segments and appears like a leaf.

184. Birds do not have teeth so the function of teeth is performed by:

• A. Beak
• B. Pharynx
• C. Stomach
• D. Gizzard

Explanation: Birds do not have teeth Birds "chew" their food in their gizzard.

185. Which of them is not poikilotherm?

• A. Spiny anteater
• B. Lizard
• C. Crocodile
• D. Snake

Explanation: A poikilotherm is an animal whose internal temperature varies considerably. It is the opposite of a homeotherm, an animal which maintains thennal homeostasis. Spiny ant eaters belong to homeotherm.

186. Opossum and koala bear belongs to the sub-class:

• A. Prototheria
• B. Eutheria
• C. Metatheria
• D. Monotremata

Explanation: Metatheria includes marsupials that possess a pouch and give birth to partially-developed young ones. Well-known marsupials include kangaroos, wallabies, koalas, opossums, woinbats, Tasmanian devils, and the extinct Thylacme.

187. The table shows some characteristics of four different vertebrates. Which vertebrate is a reptile?

• A. A
• B. B
• C. C
• D. D

Explanation: Characteristics of Reptiles:✓ Reptiles are four-legged vertebrate animals.✓ Most reptiles lay eggs.The skin of reptiles is covered with scales. ✓ Reptiles have cold-blooded metabolisms. ✓ Reptiles breathe with the aid of lungs.

188. All chordates share these features except:

• A. Notochord
• B. Gill slits
• C. Post anal tail
• D. Vertebral column

Explanation: Vertebral column is present only in vertebrates.

189. The central nervous system of chordates is:

• A. Ventral
• B. Ventral and hollow
• C. Lateral
• D. Dorsal and hollow

Explanation: The central nervous system of all chordates is dorsal and hollow.

190. Bulanoglossus and Saccoglossus are members of:

• A. Echinodermata
• B. Annelida
• C. Nematoda
• D. Hemichordata

Explanation: Balanoglossus and Saccoglossus belong to phylum hemichordata.