Class 9 Biology Competitive Exam MCQs – Practice Test 13 (Chapter 9)

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Study Transport Multiple Choice Questions (MCQs) with Answers PDF to enhance science career online. Download the Transport MCQs PDF e-Book, Ch. 9-13 to study Class 9 Biology Course. Learn Transport Quiz Questions and Answers for biology distance learning courses. Free Class 9 Biology Learning App: Download Transport MCQs App to human heart, blood groups, platelets test prep for biology e-learning access.

Learn Class 9 Biology Learning App Download with MCQ: "Function of pericardial fluid is to"; with answers: increase friction, reduce friction, increase supply of oxygen, and increase supply of water. Solve Human Heart MCQ Questions, download Google e-Book (Free Chapter) to enhance science career online.

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MCQ 61: The function of pericardial fluid is to:

reduce friction
increase friction
increase supply of oxygen
increase supply of water

MCQ 62: The muscles that are composed of striated cells and perform involuntary actions are:

pelvic muscles
abdominal muscles
sphincter muscles
cardiac muscles

MCQ 63: The difference between different blood groups is based on specific:

platelets
basophils
antigens
neutrophils

MCQ 64: The muscular organ which is responsible to pump blood through the blood vessels is known as:

lungs
liver
heart
none of above

MCQ 65: The dengue fever leads to the decrease in:

sucrose
white blood cells
platelets
red blood cells

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