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Earn 100

Read the name of organisms given in the box below.
Aptenodytes, Ornithorhynchus, Macropus,
Delphinus, Balaenoptera

How many organisms given in the box are oviparous mammals?

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Important Questions on Animal Kingdom

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Select the incorrect statement regarding mammals.
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In --------notochord is present only in larval tail, while in------ it extends from head to tail region
Select the correct option that fills the blanks.
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Choose the correct statement.
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Match the items given in column I with those given column II and choose the correct option.

Column I
(Animals)
Column II
(Characters)
 
a. Torpedo (i) Presence of a poisonous sting
b. Trygon (ii) Presence of electric organs
c. Pila (iii) Presence of swim bladder
d. Labeo (iv) Presence of radula
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Given below is a diagram of an animal.

Question Image 
Identify the animal and choose the correct option that describes it.

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Which of the following pairs of animals represent bony fishes?

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Read the following statements. 
A. Male sharks bear a pair of claspers attached to the pectoral fins that help in copulation.
B. Sea horse is viviparous in nature.
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The classes of animals included in superclass Tetrapoda are