MDCAT Chemistry Chapter 20 Macromolecules MCQ's Test With Answers

MDCAT Chemistry Chapter 20 Macromolecules MCQ's Test

Sr. # Questions Answers Choice
1 Substances that render enzymes catalytically inactive are called coenzymes substrates inhibitors apoezymes
2 Cotton is __________ % cellulose 90 100 99 30
3 Polysaccharides are also called Crystals Sugars Liquids Non Sugars
4 Iodine value of an oil or fat may be defined as the number of grams of iodine taken up by 1 g of the oil or fat the number of grams if iodine taken by 10 g of the oil or fat the number of grams of iodine taken by 100 g of the oil or fat none of the above
5 Which of the following brings about the conversion of starch into maltose? maltase zymase diastase invertase
6 Which one of the following is the most abundant organic substance found in nature? fructose starch glucose cellulose
7 Which of the following statements is incorrect about vitamins often function as coenzymes molecules contain at least one ring structure are often synthesized by the body are polyfunctional compounds
8 Protein are classified into Simple protein Complex proteins Derived proteins All of these
9 The three dimensional folding and twisting of a polypeptide chain give rise to Primary structure Secondary structure Tertiary Structure All of these tertiary
10 Which of the following is a steroid? vitamin A vitamin B vitamin C vitamin D
11 Activity of the enzyme is reduced by temperature concentration pH inhibitors
12 The substance upon which an enzyme acts is known as its domain field substrate reactant
13
For every reaction occurring in the body three is at least one type of
 enzyme vitamin protein reactant
14 Glycogen is stored in Animals Plants Soil None of these
15 The development of disagreeable odour in fats or oil is called fragrance perfume rancidity smell
16 The degree of unsaturation in fats or oils is usually measured by numbers of grams of iodine required by 100 grams of fat, this is called oil number saturation number iodine number un saturation number
17 Enzymes are catalysts which contain other than carbon and hydrogen one other element oxygen sulphur phosphorus iodine
18 Monosaccharides adn oligosacchardies are generally called as Crystal Sugars liquids Non-sugars
19 Which one of the following enzymes brings about the hydrolysis of fats? urease maltase zymase lypase
20 Which one of the following is a water soluble vitamin? niacin riboflavin tyrosine ascorbic acid
Download This Set

Is this page helpful?