Class 9 Biology MCQs - Chapter 9

Transport Multiple Choice Questions (MCQ Quiz) PDF Download - 29

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The Multiple Choice Question (MCQ Quiz): The period in the cardiac cycle during which blood is filled into atria and ventricles and atria relaxes is called PDF, "Transport MCQ" App Download (Free) with cardiac systole, atrial diastole, atrial systole, and cardiac diastole choices for distance learning. Solve pulmonary and systemic circulation quiz questions, download Google eBook (Free Sample) for online certifications.

Class 9 Biology: Transport MCQs Questions PDF Download

MCQ: The period in the cardiac cycle during which blood is filled into atria and ventricles and atria relaxes is called

A) atrial diastole

B) cardiac systole

C) atrial systole

D) cardiac diastole

MCQ: The small openings present in stems of plants are classified as

A) plasmodesmata

B) lenticels

C) guard cells

D) stomatas

MCQ: The capillaries are considered as the smallest blood vessels present in

A) pulmonary vessels

B) tissues

C) pulmonary arteries

D) pulmonary valves

MCQ: Considering all the veins of the human body, the veins that carry deoxygenated blood are

A) pulmonary veins

B) connective veins

C) endothelial veins

D) exothelial veins

MCQ: The diffusion of water vapors is reduced as the

A) air becomes humid

B) temperature goes below 0

C) temperature goes above 55

D) stomatas blocked

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