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Animal Kingdom · Question 95

AIPMT 2007MCQEasy📈 Topic in 62% papers+4−1
1

What is common between parrot, platypus and kangaroo?

  1. Toothless jaws
  2. Functional post-anal tail
  3. Oviparity
  4. Homoiothermy

Answer

(4) Homoiothermy

Solution

Parrot is a bird; platypus and kangaroo are mammals. As per NCERT, birds and mammals are homoiothermous (warm-blooded), i.e. they maintain a constant body temperature ⇒ (4).

∵ Kangaroo has teeth (only adult platypus and birds are toothless) ⇒ (1) is wrong; ∵ kangaroo is viviparous (only parrot and platypus lay eggs) ⇒ (3) is wrong; a functional post-anal tail is not common to all three ⇒ (2) is wrong.

Answer: (4)

AIPMT 2007

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2

What is true about Nereis, scorpion, cockroach and silverfish?

  1. They all possess dorsal heart.
  2. None of them is aquatic.
  3. They all belong to the same phylum.
  4. They all have jointed paired appendages.
AIPMT 2007
3

Biradial symmetry and lack of cnidoblasts are the characteristic of

  1. Hydra and starfish
  2. starfish and sea anemone
  3. Ctenoplana and Beroe
  4. Aurelia and Paramecium
AIPMT 2006
4

Two common characters found in centipede, cockroach, and crab are

  1. book lungs and antennae
  2. compound eyes and anal cerci
  3. jointed legs and chitinous exoskeleton
  4. green gland and tracheae
AIPMT 2006
5

In which one of the following sets of animals do all the four give birth to young ones?

  1. Kangaroo, hedgehog, dolphin, Loris
  2. Lion, bat, whale, ostrich
  3. Platypus, penguin, bat, hippopotamus
  4. Shrew, bat, cat, kiwi
AIPMT 2006
6

Metameric segmentation is the characteristic of

  1. Mollusca and Chordata
  2. Platyhelminthes and Arthropoda
  3. Echinodermata and Annelida
  4. Annelida and Arthropoda
AIPMT 2006
7

Which one of the following is a matching set of a phylum and its three examples?

  1. Porifera - Spongilla, Euplectella, Pennatula
  2. Cnidaria - Bonellia, Physalia, Aurelia
  3. Platyhelminthes - Planaria, Schistosoma, Enterobius
  4. Mollusca - Loligo, Teredo, Octopus
AIPMT 2006
8

Which one of the following has an open circulatory system?

  1. Octopus
  2. Pheretima
  3. Periplaneta
  4. Hirudinaria
AIPMT 2006
9

In contrast to annelids the platyhelminthes show

  1. absence of body cavity
  2. bilateral symmetry
  3. radial symmetry
  4. presence of pseudocoel.
AIPMT 2005
10

From the following statements select the wrong one

  1. Prawn has two pairs of antennae.
  2. Nematocysts are characteristic of the phylum Cnidaria.
  3. Millipedes have two pairs of appendages in each segment of the body.
  4. Animals belonging to phylum Porifera are marine and fresh water.
AIPMT 2005
11

Which one of the following characters is not typical of the class Mammalia?

  1. Thecodont dentition
  2. Alveolar lungs
  3. Ten pairs of cranial nerves
  4. Seven cervical vertebrae
AIPMT 2005

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