Biology Fsc Part 1 Online Test With Answers

Biology Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1 The most abundant organic biomolecules in cells are. Proteins Lipids Nuclec acids Carbohydrates
2 The term "Protein" was coined by  J . Berzelius F. Sanger  Watson and crick Meselson
3 The straight chains of cellulose are linked together by.........to form cellulose microfibrils. Covalent bond Hydrogen bond Ionic bond Peptide bond
4 Modified form of cellulose is called. Pectin Chitin Agar Dextrin
5 Starch coils into helices, while cellulose forms straight chains, due to differences in. Glycosdic bond orientation Hydrogen bond number Isomerization  Presence of n -containig groups
6 Cellulose is not digested by humans because. It lacks glycosidic bonds It contains nitrogen containing group It is very hard to eat Human amylase cannot hydroyze Beta (1-4) linkages
7 Chitin differs from cellulose in having. Alpha (1-4) linkanges Nitrogen -contaiing groups Branched glucose chain Ether linkage
8 High fructose corn syrup has replaced ...........as a sweetner. Maltose Sucrose Glucose Lactose
9 Compared to amylose, emyloperctin is digested at faster rate because. Branch structur eprovides more attack points It lacks hydrogen bonds It contains nitogen containing group Both a and b
10 Which of the following is the most familliar disaccharide. Maltose Sucrose Lactose Both a and c
11 The disaccharide found only in mammalaian milk, which is main source of energy for infant of mammals is. Lactose Cane sugar Agar Cane sugar
12 Which is NOT related to maltose 1,4- glyosidic linkage Formed by 2 glucose monomers Formed as an intermediate ptoduct during digestion of starch Beta D glucose
13 The Fishcher projection was devised by German chemist Emil Fischer in. 1891 1994 1831 1952
14 Glucose molecule having OH groupupper abvoe side is termed as. on Alpha D-glucose Beta D -glucose Charli D glucose Gamma D glucose
15 In case of glucose, oxygen bridge develolps between C1 and C2 C2 and C5 C1 and C5 C2 and C4
16 The sugar which acts as a precurspr in photosynthesis is. Ribulose Gluose Ribose Erythrose
17 Which of the followign hexoses show stereoisomerism. Glucose and galactose Fructose and galactose Glucose and fructose All of the above
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