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Bio-Diversity and its Conservation

1. 

Animal living at the bottom of sea as lake is called

A. Necton B. Benthos C. Plankton D. Pelagic

Answer : B. Benthos

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2. 

Which animal has the longer lifespan

A. Elephant B. Tortoise C. Horse D. Dog

Answer : B. Tortoise

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3. 

Which is an egg laying mammal?

A. Kangaroo B. Whale C. Platypus D. Rhinoceros

Answer : D. Platypus

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4. 

Dinosaurs roamed the earth about

A. 180 million years ago B. 90 million years ago C. 80 million years ago D. 10 thousand years ago

Answer : A. 180 million years ago

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5. 

Pearl is mainly obtained from

A. Star fish B. Octopus C. Oyster D. Snail

Answer : C. Oyster

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6. 

Migratory birds can be seen in this sanctuary of Tamil Nadu

A. Mudumalai wild life sanctuary B. Mundanthurai wild life sanctuary C. Vedanthangal Birds Sanctuary D. Vallanadu Sanctuary

Answer : C. Vedanthangal Birds Sanctuary

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