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IMPORTANT
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Amphibians share with reptiles all of the following characters except
(a)ventral heart
(b)external fertilisation and indirect development
(c)dioecious, oviparous
(d)cold-blooded or poikilothermic.

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Important Questions on Animal Kingdom
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Which one of the following is a matching pair of an animal and a certain phenomenon it exhibits?
(i) | Pheretima | Sexual dimorphism |
(ii) | Musca | Complete metamorphosis |
(iii) | Urodela | Mimicry |
(iv) | Taenia | Pseudocoelomates |

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Match column I with column II and select the correct option from the codes given below.
I (Scientific name) |
II (Common name) |
||
---|---|---|---|
(a) | Testudo | (i) | Tortoise |
(b) | Calotes | (ii) | Garden lizard |
(c) | Hydrophis | (iii) | Wall lizard |
(d) | Hemidactylus | (iv) | Sea snake |

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The characteristics given below are associated with:
(i) Body is covered by dry and cornified skin, epidermal scales, or scutes.
(ii) They have no external ear.
(iii) Crawling, creeping habit.
(iv) 3 chambered heart.

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Which of the following is incorrectly matched?
(i) | Spiny-tailed lizard | Uromastyx hardwickii |
---|---|---|
(ii) | Garden lizard | Hemidactylus flaviviridis |
(iii) | Gila monster | Heloderma |
(iv) | Monitor lizard | Varanus |

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The flightless bird among the following is:

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Identify the following animals and select the correct option.


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Consider the following statements (A-D) each with one or two blanks.
Four characters of chordates are the presence of (i) , dorsal hollow nervous system, (ii), and muscular tail.
Agnatha are the most primitive craniates. They are commonly called (iii) vertebrates.
Electric ray belongs to a class (iv) while sea horse belongs to a class (v) .
(vi) are also defined as feathered bipeds. These have a (vii) gland on the tail.
Which one of the following options, correctly fills any two with the given statements?

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Which of the following characters does not fit for Aves?
