Problem 1
The most important energy carrier in the living cells is (a) UDP (b) ADP (c) ATP (d) AMP
Problem 2
The cell membranes are mainly composed of (a) fats (b) proteins (c) phospholipids (d) carbohydrates
Problem 3
Which one of the following is a non-reducing sugar? (a) glucose (b) sucrose (c) fructose (d) arabinose
Problem 4
Which of the following is a polysaccharide? (a) Gentiobiose (b) fructose (c) dextrin (d) all of these
Problem 5
Which of the following reagents cannot distinguish between glucose and fructose? (a) Tollen's reagent (b) Fehling's solution (c) Benedict's solution (d) All of these
Problem 6
Reducing property of monosaccharides is due to the presence of (a) keto group (b) acetal group (c) anomeric hydroxyl group (d) \(-\) CHO group
Problem 7
Glucose gives silver mirror test with Tollen's reagent. It shows the presence of (a) ketonic group (b) aldehydic group (c) alcoholic group (d) acidic group
Problem 8
Which one of the following carbohydrates will show mutarotation? (a) maltose (b) sucrose (c) starch (d) cellulose
Problem 9
Which of the following is an amphoteric acid? (a) glycine (b) salicylic acid (c) benzoic acid (d) citric acid
Problem 10
The aldehyde which is formed during photosynthesis of plants is (a) propanal (b) methanal (c) acetaldehyde (d) phenylmethanal
