ICSE ICSE Class 7 - CISCE Question Bank Solutions for Biology

Fill in the blank. 

...................... live in the digestive tract of many vertebrates including human beings.

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Most arthropods have a tough outer body covering called ..........................

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................. have three pairs of jointed legs.

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Some .....................have two pairs of legs per segment.

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A ................. has an external coiled shell.

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................. is an example of a crustacean.

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The finger-like structures present around the mouth of cnidarians are called

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 Organs of excretion in annelids are

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Annelids have a

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Scorpions and spiders are

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The body temperature of warm-blooded animals

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Bones with large air cavities are present in
a. cnidarians.
b. fish.
c. annelids.
d. birds. 

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Milk in the body of mammals is produced by

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The animals without a backbone whose body is soft and often covered by a hard shell are .................

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Invertebrates with jointed legs belong to ....................

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The backbone of vertebrates is made up of a number of small bones called .....................

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Fishes obtain oxygen from water through ......................

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Vertebrates which spend a part of their life on land but reproduce in water are called ..................

Match the following. 

Differentiate between 

flatworms and roundworms