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PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Subjects
Science CBSE
Class 10
Life Process
Textbook questions

7. Multiple choice questions VII

Exercise condition:

3 m.

1. Single circulation i.e., blood flows through the heart only once during one cycle of passage through the body, is exhibited by

Labeo, Chameleon, Salamander
Whale, Dolphin, Turtle
Hippocampus, Exocoetus, Anabas
Hyla, Rana, Draco

2. In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?

Amphibians and reptiles
Pisces only
Amphibians only
Pisces and amphibians

3. Choose the correct statement that describes arteries.

They have thin walls with valves inside, blood flows under low pressure and carry blood away from the heart to various organs of the body
They have thick elastic walls without valves inside, blood flows under high pressure and carry blood away from the heart to different parts of the body.
They have thick elastic walls, blood flows under low pressure; carry blood from the heart to various organs of the body
They have thick elastic walls, blood flows under high pressure; collect blood from different organs and bring it back to the heart

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