ECAT Pre Engineering Chemistry Chapter 25 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 25 Macromolecules

Try The MCQ's Test For ECAT Chemistry Chapter 25 Macromolecules

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ECAT Chemistry Chapter 25 Macromolecules

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Question # 1

For every reaction occurring in the body three is at least one type of

Question # 2

The stroids of fungi and yeast and yeast are called:

Question # 3

Which one of the following elements is not present in all proteins

Question # 4

Which one of the following is the most abundant organic substance found in nature

Question # 5

The prosthetic group in glycoprotein is

Question # 6

Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as

Question # 7

Vitamin A is present in

Question # 8

The polymers which can not be re-softened again and again are called

Question # 9

Vegetable oils are

Question # 10

Enzymes are catalysts which contain other than carbon and hydrogen one other element

Question # 11

The number of amino acids found in proteins that a human body can synthesize is

Question # 12

The other name of cross linked polymers is

Question # 13

Which is a protein?

Question # 14

In fructose the possible optical isomers are

Question # 15

The degree of unsaturation in fats or oils is usually measured by numbers of grams of iodine required by 100 grmas of fat, this is called

Question # 16

Which functional group is present in glycerol tristearate

Question # 17

Which is the polymer that has amide linkage in its structure

Question # 18

The substance upon which an enzyme acts is known as its

Question # 19

When a nitrogeneous base combine with a sugar it is called

Question # 20

Bakelite is a product formed form

Question # 21

Which one is a polymer compound?

Question # 22

The disaccharide present in milk is

Question # 23

Which one of the following is a water soluble vitamin

Question # 24

Which of the following is not present in RNA?

Question # 25

Which of the following is not a synthetic polymer?

Question # 26

Purines include

Question # 27

Which of the following has ester linkage?

Question # 28

Plastics are a pollution problem because many plastics

Question # 29

Iodine value of an oil or fat may be defined as

Question # 30

Glyptal polymer is obtained from glycerol on reacting with

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 C6H12O6 is molecualr formula of:
A. Glucose
B. Dextrose
C. Fructose
D. All of these
2 Monosaccharides belong to the group
A. Lipids
B. Fats
C. Proteins
D. Carbohydrates
3 Which one is a polymer compound?
A. SO2
B. CO2
C. CH4
D. PVC
4 Which of the following is the repeating monomeric unit in cellulose
A. Sucrose
B. Maltose
C. Cellobiose
D. Glucose
5 Which teat is not given by both glucose and fructose
A. Give yellow ppt of CHl3with alkaline aqueous iodine
B. With 2, 4-DNPH give yellow ppt of hydrazone
C. Evolve H2gas with Na metal
D. Oxidised with [Ag(NH3)2]+i.e. Tollen's reagent
6 Which carbohydrates is an essential constituent of plant cells?
A. Starch
B. Cellulose
C. Sucrose
D. Vitamins
7 The main structure features of proteins is
A. An ester linkage
B. An ether linkage
C. The peptide linkage
D. All
8 The three dimensional folding and twisting of a polypeptide chain give rise to
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. All of these tertiary
9 Which one of the following is not an example of chain growth polymer?
A. Neoprene
B. Bunna-S
C. PMMA
D. Glyptal
10 Glyptal polymer is obtained from glycerol on reacting with
A. Malonic acid
B. Phthalic acid
C. Maleic acid
D. Acetic acid

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