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Classification of Animals

Description: Classification of Animals
Number of Questions: 10
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Tags: Classification of Animals Cell wall and membrane
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Which of the following organisms possess tentacles?

  1. Annelids

  2. Molluscs

  3. Cnidarians

  4. Arthropods


Correct Option: C
Explanation:

Cnidarians possess tentacles.

Which of the following organisms possess jointed legs?

  1. Annelids

  2. Arthropods

  3. Molluscs

  4. Platyhelminthes


Correct Option: B
Explanation:

Arthropods possess jointed legs.

Which of the following is not a characteristic feature of annelids?

  1. Cylindrical body

  2. Segmented body

  3. Bilateral symmetry

  4. Aquatic habitat


Correct Option: D
Explanation:

Annelids do not live in aquatic habitat.

Which of the following organisms are characterised by the presence of mucus glands in the skin?

  1. Amphibians

  2. Fishes

  3. Sponges

  4. Echinoderms


Correct Option: A
Explanation:

Amphibians are characterised by the presence of mucus glands in the skin.

Invertebrates are the organisms which

  1. lack backbone

  2. possess vertebral column

  3. lack tail and bones

  4. possess scaly skin


Correct Option: A
Explanation:

Organisms which lack backbone are called invertebrates.

Which of the following is a characteristic feature of echinoderms?

  1. Cylindrical body

  2. Bilateral symmetry

  3. Parasitic mode of nutrition

  4. Spiny body


Correct Option: D
Explanation:

Echinoderms have a spiny body.

Which of the following organisms sucks human blood?

  1. Leech

  2. Earthworm

  3. Hydra

  4. Spider


Correct Option: A
Explanation:

Leech sucks human blood.

Which of the following organisms is known as ‘friend of farmers’?

  1. Earthworm

  2. Leech

  3. Sycon

  4. Ascaris


Correct Option: A
Explanation:

Earthworm is known as 'friend of farmers'. 

Which of the following organisms directly gives birth to young ones?

  1. Dogfish

  2. Whale

  3. Ostrich

  4. Snake


Correct Option: B
Explanation:

Whale is a mammal that directly gives birth to young ones.

Which of the following is an egg-laying mammal?

  1. Platypus

  2. Bat

  3. Rat

  4. Kangaroo


Correct Option: A
Explanation:

Platypus is an egg-laying mammal.

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