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11th Maharashtra Board
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Chitinous exoskeleton is a characteristic of _____.
(a)Dentalium
(b)Antedon
(c)Millipede
(d)Sea urchin

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Important Questions on Kingdom Animalia
MEDIUM
11th Maharashtra Board
IMPORTANT
Reptiles are known for having three chambered heart. Which animal shows a near four chambered condition in reptiles?

MEDIUM
11th Maharashtra Board
IMPORTANT
The circulatory system has evolved from open to closed type in Animal kingdom. Which Phylum can be called first to represents closed circulation?

MEDIUM
11th Maharashtra Board
IMPORTANT
Pinna is part of external ear and it is found in mammals. Do aves and reptiles show external ear in any form?

MEDIUM
11th Maharashtra Board
IMPORTANT

MEDIUM
11th Maharashtra Board
IMPORTANT
Birds need to keep their body light to help in flying. Hence, they show presence of some organs only on one side. How their skeleton helps in reducing their weight?

MEDIUM
11th Maharashtra Board
IMPORTANT

MEDIUM
11th Maharashtra Board
IMPORTANT
Crab and snail both have a protective covering. Is it made up of the same material?

MEDIUM
11th Maharashtra Board
IMPORTANT
Sponge and sea star show calcareous protective material. Do they belong to the same Phylum?
