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Test: Circulatory System In Humans - Class 10 MCQ


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Test: Circulatory System In Humans for Class 10 2024 is part of Extra Documents, Videos & Tests for Class 10 preparation. The Test: Circulatory System In Humans questions and answers have been prepared according to the Class 10 exam syllabus.The Test: Circulatory System In Humans MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Circulatory System In Humans below.
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Test: Circulatory System In Humans - Question 1

The right ventricle of heart pumps blood into:

Detailed Solution for Test: Circulatory System In Humans - Question 1

The right ventricle (RV) pumps oxygen-poor blood through the pulmonary valve (PV) into the main pulmonary artery (MPA).

From there, the blood flows through the right and left pulmonary arteries into the lungs.

Test: Circulatory System In Humans - Question 2

What would happen to people who have an open wound and whose blood does not clot naturally?

Detailed Solution for Test: Circulatory System In Humans - Question 2

 They may die but do not necessarily bleed to death because there are drugs to help treat this condition called haemophilia. Haemophilia is inherited, or passed on to children by their mothers.  People born with this problem are called haemophiliacs.

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Test: Circulatory System In Humans - Question 3

Three chambered heart is found in:

Detailed Solution for Test: Circulatory System In Humans - Question 3

It belongs to class Reptilia. All reptiles have three-chambered heart which is divided into two auricles and an incompletely divided ventricle. Only crocodiles have four-chambered heart.

Test: Circulatory System In Humans - Question 4

In older people heart pumps blood more forcefully than in younger persons because of:

Detailed Solution for Test: Circulatory System In Humans - Question 4

A force is generated with each heartbeat as blood is pumped from the heart into the blood vessels. The size and elasticity of the artery walls also affect blood pressure. Each time the heart beats, pressure is created inside the arteries. That's why option ( c) is the correct answer.

Test: Circulatory System In Humans - Question 5

Two chambered heart is found:

Detailed Solution for Test: Circulatory System In Humans - Question 5

Two chambered heart is present in organisms like fishes. Only one atria and one ventricle is present which are not separated and hence mixing of oxygenated and deoxygenated blood blood occurs. 

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