Biochemistry - Mock Test 23

Question 221

Milk protein is

A) lactogen B) myosin C) casein D) pepsin

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Question 222

Characteristic feature of haemoglobin

A) reversible union with oxygen B) red Colour C) presence of Cu D) presence of globulin protein

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Question 223

Protein most abundant in human body is

A) collagen B) myosin C) actin D) albumin

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Question 224

Which element is normally absent in proteins

A) C B) N C) S D) P

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Question 225

Which is a disaccharide

A) Galactose B) Fructose C) Maltose D) Dextrin

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Question 226

Carrier ions like Na⁺ facilitate the absorption of substances like

A) amino acids and glucose B) glucose and fatty acids C) fatty acids and glycerol D) fructose and some amino acids

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Question 227

A competitive inhibitor of succinic dehydrogenase is

A) malonate B) oxaloacetate C) α-ketoglutarate D) malate

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Question 228

About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and

A) sulphur and magnesium B) magnesium and sodium C) calcium and phosphorus D) phosphorus and sulphur

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Question 229

Carbohydrates, the most abundant bio-molecules on earth, are produced by

A) some bacteria, algae and green plant cells B) fungi, algae and green plant cells C) all bacteria, fungi and algae D) viruses, fungi and bacteria

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Question 230

Antiparallel strands of a DNA molecule means that

A) the phosphate groups of two DNA strands, at their ends share the same position B) the phosphate groups at the start of two DNA strands are in opposite position ( pole ) C) one strand turns clockwise D) one strand turns anti-clockwise

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