Single Choice

Amphibians have

AIncomplete double circulation
Correct Answer
BComplete double circulation
COpen circulation
DSingle circulation

Solution

Correct Option: A
Explanation:

In amphibians, incomplete double circulation is present.
Oxygenated blood is received by the left atrium and deoxygenated blood is received by the right atrium.
But, both types of blood get mixed up in the single ventricle which pumps out the mixed blood.
In incomplete double circulation, the blood comes to the heart through two different routes but goes out through a single route.

SIMILAR QUESTIONS

Animal Kingdom

Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them?

Animal Kingdom

Which of the following statements is/are correct or incorrect regarding Class Amphibia? (i) The body is divisible into head and trunk. The tail is present in some amphibians. (ii) Show respiration by gills, lungs and through the skin. (iii) It has scales in all its members. (iv) It can lead to dual life (aquatic and terrestrial). (v) Has eyelids.

Animal Kingdom

Match column I with column II and select the correct option from the given codes. Column I Column II A. Amphibia (i) Air bladder B. Mammals (ii) Cartilaginous notochord C. Chondrichthyes (iii) Mammary glands D. Osteichthyes (iv) Pneumatic bones E. Cyclostomata (v) Dual habitat F. Aves (vi) Sucking and circular mouth without jaws

Animal Kingdom

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Animal Kingdom

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Animal Kingdom

Which one of the following animals has dermal scales in its skin?

Animal Kingdom

Which of the following Amphibians has tail throughout its life?

Animal Kingdom

Which of the following animals is called as 'waterdog'?

Animal Kingdom

If an axolotl larva is placed in water containing sufficient iodine, then

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