Biology Fsc Part 1 Online Test With Answers

Biology Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1 Which of the following takes the electrons lost by Photosystem 1 on absorption of light energy. Ferredoxin Cytochrome Cytochrome a-3 Plastocyanin
2 Which of these is CO2 acceptor during photosynthesis. Ribulose biphosphate Malic Acid Oxaloacetic acid Phosphoglyceric acid
3 In electron transport chain, FADH :H produces how many ATPs? One Two Three Four
4 In which of the followign conversionns, ATP is produced. alpha ketoglutric acid into succineyl CoA Succienyl CoA into succinic acid Succinic acid into fumaric acid Fumaric acid into malic acid
5 Conversion of Glucose 6-phosphate into Fructose 6-phosphate is Isomerization  Polymerization  Condensation  Phyosphyorylation 
6 When derprived of oxygen, yeast cells obtain energy by fermentaion, producing CO2, ATP and Ethyl alcohol Acetyl CoA Lactic Acid Pyruvic Acid
7 Which of the followng are produced by the reactions that occur in the thylakoid and consumed by the reactions that occur in the stroma. ATP and NADPH CO2 and H2O Glucose and O2 NADP and DP
8 What is TRUE about glycolysis. It produces no ATP It takes palce only in aerobic respiration  It reduce 2 molecules onf NAD for every glucose molecule processed It takes place in the mitochondrion
9 What main process occurs durin the dark reaction of photosynthesisi. Release of oxygen Energy absorption by chlorophyll Adding of hydroen to CO2 Formaton of ATP
10 Mark the disaccharide Cellobiose Chitin Mannose Cellulose
11 Pick the enzyme which is not related to others. Epimerase Oxidase Dehydrogenase Reductase
12 Which enzyme is responsible for the breakdown of DNA. DNA polymerase DNA synthase DNA Ligase DNA ase
13 Which enzyme breakdown small polypeptides into dipeptides. Trypsin Aminopeptidese Erypsin Pepsin
14 The enzyme whcih catalyses the conversion of glucose to fructose is. Pentose isomerase Hexokinase Hexoisomerase Hexoreductase
15 The enzymes catalyse non -lhydrolytic addition or removal of groups from substrates are. Lyases Hyrolases Transferases Isomerases
16 Which of the following is NOTa hyrolase Cytochrome oxidase amylase Lipase Peptidase
17 The enzymes which remvoe or ad H+ ions or electrons from substrateare called. Isomerases Oxidoreductases Lyases Transfeases
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