Biology - Mock Test 73

Question 721

Artery is a vessel that carries blood?

A) towards the heart B) away from heart C) away from tissues D) towards the liver

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Question 722

Amount of blood pumped by heart into body per minute is called?

A) Atrial output B) Ventricular output C) Cardiac output D) Stroke volume

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Question 723

All veins have deoxygenated blood except?

A) Renal artery B) Hepatic vein C) Hepatic portal vein D) Pulmonary veins

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Question 724

Alary muscles of cockroach are associated with?

A) Malpighian tubules and excretion B) Tracheae and respiration C) Heart and circulation D) None of the above

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Question 725

Abnormal fall in total count of WBCs in the human blood is called?

A) Anaemia B) Polycythemia C) Leucopenia D) leukaemia

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Question 726

A young man of 25 years has his blood pressure?

A) 130/90 mm Hg B) 120/80 mm Hg C) 120/90 mm Hg D) 130/80 mm Hg

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Question 727

A vein possesses large number lumen because?

A) Tunica media and tunica externa form a single coat B) Tunica interna and tunica media form a single coat C) Tunica interna, tunica media and tunica externa are thin D) Tunica media is thin coat

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Question 728

A respiratory pigment is absent in?

A) Earthworm B) Frog C) Rabbit D) Cockroach

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Question 729

A portion of cardiovascular system that transports oxygen depleted blood from the heart to lungs and brings oxygenated blood back to heart is?

A) Pulmonary circulation B) Coronary circulation C) Systemic circulation D) Single circulation system

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Question 730

A fully mature human RBC has?

A) A nucleus B) No nucleus C) Nucleus may or may not be present D) None of the above

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