Blood group aggulutinogen is

Blood group aggulutinogen is

Options

(a) glycoprotein (b) phosphoprotein (c) haemoprotein (d) phospholipid

Correct Answer:

glycoprotein

Explanation:

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Accessory excretory organs of man are

Accessory excretory organs of man are

Options

(a) only skin (b) only skin and liver (c) only skin and lungs (d) skin, lungs, liver and intestine

Correct Answer:

skin, lungs, liver and intestine

[…]

Artery differs from vein in having

Artery differs from vein in having

Options

(a) narrow wall (b) thick walls (c) valves (d) none of these

Correct Answer:

thick walls

Explanation:

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