Biology Fsc Part 1 Chapter 5 Online Test With Answers

Biology Fsc Part 1 Chapter 5 Online Test

Sr. # Questions Answers Choice
1 Mark the disaccharide Cellobiose Chitin Mannose Cellulose
2 Pick the enzyme which is not related to others. Epimerase Oxidase Dehydrogenase Reductase
3 Which enzyme is responsible for the breakdown of DNA. DNA polymerase DNA synthase DNA Ligase DNA ase
4 Which enzyme breakdown small polypeptides into dipeptides. Trypsin Aminopeptidese Erypsin Pepsin
5 The enzyme whcih catalyses the conversion of glucose to fructose is. Pentose isomerase Hexokinase Hexoisomerase Hexoreductase
6 The enzymes catalyse non -lhydrolytic addition or removal of groups from substrates are. Lyases Hyrolases Transferases Isomerases
7 Which of the following is NOTa hyrolase Cytochrome oxidase amylase Lipase Peptidase
8 The enzymes which remvoe or ad H+ ions or electrons from substrateare called. Isomerases Oxidoreductases Lyases Transfeases
9 The phenomenon where the products of a process controls the process itself, oftenly limiting the production of more products is called. Feedback activation  Feed forward activation Feed back inhibition Feed forward inhibition
10 Succinic acid and CoA react to form succinyl CoA whcih is catalysed y succinyl CoA. Synthetase Decarboxylase Hydroxylase Reductase
11 Penicilllin permanetly disables the enzymes responsible for building bacterial cell walls becasue it acts as. Irreversible inhibitor Competitive inhibitor Non competitive inhibitor reversible inhibitor
12 Reversibel inhibitors make...................bonds with enzymes. Covalent Ionic Hydrogen  Metallic
13 the mechanism of enzyme inhibition, usedto understand the factors that influence enzyme activity is called. Enzyme kinetics Enzyme dynamics Enzyme pathwology Enzyme energetics
14 The enzyme whcih uses ATP to join molecules. Isomerases Ligases Hydrolases Oxidoreductases
15 In feedback inhibition, the final product inhibits. The 1st enzyme in the pathway The last enzyme in the metabolic pathway No enzyme is inhibited in pathway All enzymes areinhibited in pathway
16 Which of the followign is structurally similar with succinic acid Malonic acid Acetic acid Mavlonic acid Malic acid
17 A none competitive inhibitor binds to. The active site The site other than active site The substrate Catalytic site
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