Biology: Animal Kingdom Questions and Answers

1. ______ are devoid of respiratory, excretory and circulatory organs.

[A] Threadworms

[B] Sponges

[C] Tapeworms

[D] Liver fluke

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2. Which one of the followings in birds indicates their reptilian ancestry?

[A] Eggs with a calcareous shell

[B] Scales on their hind limbs

[C] Four-chambered heart

[D] Two special chambers crop and gizzard in their digestive tract

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3. Animals having a built in thermostat to maintain constant body temperature are known as

[A] Biothermic

[B] Poikilothermic

[C] Oligothermic

[D] Homeothermic

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4. Swarming generally occurs in

[A] Pyrilla

[B] Mosquito

[C] House fly

[D] Locust

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5. Cell tissue grade of organization occurs in

[A] Platyhelminthes

[B] Sponges

[C] Protozoa

[D] Coelenterata

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6. Water-Vascular’ system is found in

[A] Sea-anemone

[B] Sea-pen

[C] Sea-cucumber

[D] Sea-horse

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7. Which one of the following statements is incorrect?

[A] Radial symmetry is displayed by sea anemone and aquatic animal.

[B] Fasciola hepatica is also known as the sheep liver fluke.

[C] Triploblastic animals are usually bilaterally symmetrical

[D] Mesoglea is present in between ectoderm and endoderm in Obelia

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8. Which one of the followings belongs to platyhelminthes?

[A] Plasmodium

[B] Trypanosoma

[C] Schistosoma

[D] Wuchereria

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9. Radial symmetry is generally exhibited by which animals?

[A] Which are attached with substratum

[B] Which are aquatic

[C] Which have ciliary feeding

[D] Which have one opening of alimentary canal

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10. The scientific name of Asian tiger mosquito

[A] Aedes aegypti

[B] Aedes albopictus

[C] Aedes taeniorhynchus

[D] Aedes albolineatus

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Biology: Animal Kingdom Questions and Answers

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