O Level Biology Practice Test 97

Double circulation in mammals Quiz Questions PDF - 97

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Biology: Double circulation in mammals Quiz PDF Download

MCQ: Pulmonary circulation links

A) blood from pulmonary arteries to pulmonary veins

B) blood from pulmonary veins to pulmonary arteries

C) blood from lungs to heart

D) blood in closed circulation system

MCQ: All is true for resting organisms, but,

A) no energy is lost in sleep

B) sleeping requires food

C) organisms continue growth in sleep

D) organisms' medulla keeps working even in sleep

MCQ: Total cell count of human body is

A) 60, 000 billion cells

B) 6000 billion cells

C) 600, 000 billion cells

D) varies with age

MCQ: Metabolism refers to the

A) anabolic activities

B) catabolic activities

C) respiratory activities

D) both A and B

MCQ: Protein essential for clotting of blood is

A) albumins

B) fibrinogen

C) globulins

D) lymph

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