Biology - Mock Test 290

Question 2891

The smallest blood vessel in the body is a?

A) Acapi1lary B) Artery C) Vena cava D) Vein

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Question 2892

Antidiuretic hormone is put into the blood by the?

A) Hypothalamus B) Pituitary gland C) Liver D) Small intestine

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Question 2893

The plasma resembles in is composition the filtrate produced in the glomerulus except for the presence of?

A) Glucose B) Amino acids C) Proteins D) Chlorides

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Question 2894

Hemoglobin is found in?

A) All invertebrates B) Only in vertebrates C) Earthworm and rabbit D) Cockroach and earthworm

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Question 2895

The mechanism of uric acid excretion in nephron is?

A) Diffusion B) Ultra filtration C) Osmosis D) Secretion

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Question 2896

Which of the following parts of the nephron is least permeable to water?

A) Proximal tubule B) Descending limb of the loop of Henle C) Ascending limb of the loop of Henle D) Collecting duc

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Question 2897

In which of the following groups of animal the heart pumps only deoxygenated blood?

A) Fishes B) Reptile C) Birds D) Amphibians

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Question 2898

In a closed circulatory system, blood is completely enclosed with in?

A) The skeleton B) Sinuses C) Vessels D) Hearts

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Question 2899

In what ways do lymph capillaries differ from blood capillaries?

A) Lymph capillaries contain red blood cells B) Lymph capillaries have a wall of only one cell layer C) Lymph capillaries begin with blind ends throughout interstitial fluid D) Contain plasma

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Question 2900

Pressure exerted in the treachery elements of a xylem as a result of metabolic activity of roots which forces the water into xylem vessel and upwards into the stem for a certain height is?

A) Osmotic pressure B) Root pressure C) Atmospheric pressure D) Turgor pressure

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