ECAT Chemistry MCQ's Test For Full Book With Answers

ECAT Chemistry MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 Oxidation reduction is done by Oxidoreductase Lipases Lyase None of these
2 Protein may have Primary structure Secondary structure Tertiary structure All of these
3 Sterols, vitamin D and terpenese belong to Simple lipids Complex lipids Derived lipids None
4 The clotting time of blood is increased due to the deficiency of Vitamin A Vitamin K Vitamin D Vitamin C
5 Ricket is caused due to the deficiency of vitamin A D B E
6
7 Hydrolysis of protein by 6M HCl gives peptides and thenα-amino acids. How manyα-amino acids molecules are obtained on the hydrolysis of a tetrapeptide 2 3 4 5
8 Theα-carbon of 19 out of 20α-amino acids found in protein is chiral or asymmetric. Hence they are optically active. Only one of the 20α-amino acids is not optically active which one is the Proline Glycine Hitidine Alanine
9 The amino group in 19α-amino acids is primary; only oneα-amino acid has secondary amino group which one is that Alanine Glutamic acid Glycine Proline
10 Which of the followingα-Amino acids has basic R-group Proline Glutamic acid Histidine Valine
11 Which is not an essential amino acid Leucine Methionine Histidine Lysine
12 Essentialα-amino acids are those which are necessary in the diet
Which one is an essentialα-amino acids
 Alanine Aspartic acid Glycine Tryptophan
13 Non polar R group Polar R group Acidic R group Metallic R group
14 Amino acids are bifunctional organic compounds what are the two function groups Carboxylic acid and alcohol Alcohol and aldehyde Carboxylic acids and ketone Amino group and carboxylic acid
15 There are 20α-amino acids found in protein 19 have -- NH2as the amino group. Only one of theα-amino acids has a secondary amino group which one is this Glycine Lysine Proline Cystein
16 α-Amino acids are found in protein. Which of the following is anα-amino acid
17 Which of the following nitrogen fertilizer contains more nitrogen NaNO<sub>3</sub> KNO<sub>3</sub> NH<sub>4</sub>NO<sub>3</sub> Urea
18 Detergents are Synthetic products Natural products Both (a) and (b) None of these
19 Surfactants are organic compounds, used in detergents which reduce the Viscosity of water Surface tension of water Boiling point of water Wetting ability of water
20 The trade name of polytetrafluoroethylene (PTFE) is Teflon PVC Terelene Polyester
21 Tryosine was isolated from Butter Cheese Oils Fats
22 Which formula represents the organic compound formed by the reaction of propanoic acid with methanol in the presence of concentrated sulphuric acid as a catalyst CH<sub>3</sub>CH<sub>2</sub>COCH<sub>3</sub> CH<sub>3</sub>CH<sub>2</sub>CO<sub>2</sub>CH<sub>3</sub> CH<sub>3</sub>CO<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CO<sub>2</sub>CH<sub>3</sub>
23 With amino acids ninhydrin solution gives Blue Violet Bluish violet White
24 Which isomers of C5H11OH gives, on dehydration, the greatest number of different alkenes
25 Carbolic acid is the other name for Methanol Ethanol Propanol Phenol
26 An alcohol with molecular formula CnH2n+1OH has a chiral carbon atom but does not react with MnO-4/H+what is the least number of carbon atoms such an alcohol could possess 5 6 7 8
27 Which is a reagent for Lucas test ZnCl<sub>2</sub>+ Conc. HCl Zn Na Br
28 Compound X has molecular formula C10H14O and is unreactive towards mild oxidising agents. What is the structure of the compound formed by dehydration of X
29 In its reaction with Na, 1 mol of X gives 1 mol of H2(g). What is X CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>OH (CH<sub>3</sub>)<sub>3</sub>COH CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CO<sub>2</sub>H CH<sub>3</sub>CH(OH)CO<sub>2</sub>H
30 1-bromobutane 2-bromobutane 1-bromo-2-methyl propane 2-bromo-2-methyl propane
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