ECAT Chemistry MCQ's Test For Full Book With Answers

ECAT Chemistry MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 Cellulose does: Satisfy human appetite Stimulates intestinal peristalsis Gives fibre and bulk to the food All of these
2 The high molecular weight materials which yield on hydrolysis the amino acids is called: Carbohydrates Lipids Fatty acids Proteins
3 Factors affecting denaturation of proteins: Change in temp and pH Strong reducing agent Strong oxidizing agent All of these
4 Major food factors are: Fats and oils Carbohydrates Protiens All of these
5 Which is the derived lipid? Common fats Vitamin-D Common oils Spinolipids
6 Which property is not present in lipids? Liquid Solid or semi solid Soluble in water Form emultion
7 An oil or fat with no double bond have iodine number: Zero 100% 50% Minimum
8 The stroids of fungi and yeast and yeast are called: Vitamin D Vitamin D<sub>2</sub> Ergostrol Cholestrol
9 Which behaves as insulator for animals body? Carbohydrates Proteins Fats Skin
10 Which one of the following statements of glucose and sucrose is incorrect? Both are soluble in water Both are naturally occuring Both are carbohydrates Both are disaccharides
11 The reaction between fat and NaOH is called: Esterification Hydrogenolysis Fermentation Sponification
12 Which of the following enzymes brings about the hydrolysis of fats? Urease Maltase Zymase Lypase
13 Which of the following is a water soluble vetamin? Niacin Riboflavin Trypsin Ascorbic acid
14 Which of the following elements is not present in all proteins? Carbon Hydrogen Nitrogen Sulphur
15 Vegetables oils are: Unsaturated fatty acids Glycerides of unsaturated fatty acids Essential oils obtained form plants None of these
16 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a: Fiber Plastic Vanish Polyamide resin
17 The fiber which is made from acrylonitrile as monomer: PVC Rayon Fiber Acrylic fiber Polyester fiber
18 Plastics are pollution problem because many plastics: Are made from petroleleum Are very inflammable Burn to produce toxic funes Decompose to produce toxic products
19 Which of these polymers is a synthetic polymer? Animal fat Starch Cellulose Polyester
20 Which of these polymers is an addition polymer? Nylon-6,6 Polystrene Terylene Epoxy resin
21 In which of these processes are smell organic molecules made into macromolecules? The cracking of petroleum fractions The fractional distillation of crude oil The polymerization of ethane The hydrolysis of proteins
22 Carboxylic acids having carboxyl group one is called: Mono carboxylic acid Di-carboboxylic acid Tri carboxilic acid Tetra carboxylic acid
23 General formula of aliphatic carboxylic acids: R---OH R----COH R----CO---R RCOOH
24 Aromatic carboxylic acids have carboxyl group attached to group : Alkyl group Aryl group Phenyl group Benzyl group
25 Aliphatic carboxylic acids have carboxyl group attached to: Alkyl group Aryl group Phenyl group Benzyl lgroup
26 Carboxylic acids functional group is: ----COOH ----CO--- ----OH -----COH
27 The organic compounds containing Ph--OH group are called: Phenol Aldehyde Ketones Carboxylic acids
28 Amylacetate flavour is present in: Banana Apple Jasmine Orange
29 Amiino acids are building blocks of: Protein Carbohydrates Lipids Fats
30 Amino acids contain functional groups in it: --CO-- --OH ---NH<sub>2</sub> All of these
Download This Set

Is this page helpful?