macromolecules

Question 1

The simplest amino acid that shows enantiomerism is

Answer 1

alanine

Question 2

Number of repeating units in the chain is known as:

Answer 2

DP
The length of the polymer chain is specialized by the number of repeating units in the chain known as the degree of polymerization (DP)

Question 3

Types of polymers on the basis of thermal properties are:

Answer 3

2
Thermosetting polymer: Which become hard on heating and cannot be softened again.
Example: Synthetic varnish, Epoxy resin
Thermoplastic polymer: Which can be softened repeatedly when heated and hardened when cooled with little change in properties.
Example: PVC pipes, Plastic toys.

Question 4

The non-protein part present in the conjugated or compound proteins is called ________?

Answer 4

Prosthetic group

Question 5

Which of following is mostly used in the packing of materials?

Answer 5

Polystyrene

Question 6

A non-proteinaceous enzyme is

Answer 6

Ribozyme

Question 7

The enzymes have an ability to catalyze the reactions up to __________ times

Answer 7

10 power 20

Question 8

LDH-1
Lactic dehydrogenase is used in the treatment of:

Answer 8

Heart disease

Question 9

Alkaline phosphatase

Answer 9

In rickets and obstructive jaundice

Question 10

L-asparaginase

Answer 10

Blood cancer in children

Question 11

Which of following polymerization proceeds at both end of chain?

Answer 11

Condensation: Proceed at both ends of chain
Addition: Proceeds at one end of chain, one end is blocked by -R group.

Question 12

Prosthetic group containing proteins are

Answer 12

Conjugated proteins

Question 13

examples of derived proteins

Answer 13

peptides
peptones
proteoses

Question 14

E.coli contains ________ different types of proteins.

Answer 14

3000

Question 15

Terpenes and steroids are

Answer 15

Non-saponifible

Question 16

The recommended daily amount of zinc for an adult is _______mg.

Answer 16

10.0

Question 17

Phosphatides contain

Answer 17

Fatty acid
Phosphoric acid
Nitrogenous

Question 18

Human milk contains ________ lactose.

Answer 18

7.2%

Question 19

Water constitutes over ________ of mass of human body.

Answer 19

two-third

Question 20

The symptoms of lactose intolerance appear within ________ minutes after ingestion of milk.

Answer 20

30-90

Question 21

Pancreatic lipase enzyme is also known as

Answer 21

Steapsin

Question 22

______ is constituent of alkaline phosphatase and carbonic Anhydrase.

Answer 22

Zinc

Question 23

Inorganic salts makes about __________ of body mass.

Answer 23

4-5%

Question 24

Ferritin is _________

Answer 24

protein

Question 25

150g of yogurt contains _______ mg of calcium.

Answer 25

800

Question 26

Garlic is a good source for

Answer 26

Phosphorous

Question 27

Bioorganic molecules make up about _________ of body mass.

Answer 27

one-fourth

Question 28

Which of the following enzyme has a stronger preference for amino acids that are aromatic or branched hydrocarbon chain?

Answer 28

Carboxy apatite

Question 29

pH of trypsin varies from

Answer 29

5-9

Question 30

Zinc is required for maintain the plasma concentration of vitamin

Answer 30

A

Question 31

Human blood contains about _______mg of glucose per 100cm3.

Answer 31

70-110

Question 32

Sucrose octa acetate is used as

Answer 32

Denaturing agent

Question 33

Lipids serve as carrier of all vitamins except A. A B. D C. E D. B4

Answer 33

B4

Question 34

Starch is used in preparation of

Answer 34

Sucrose octa acetate

Question 35

Sucrose octa acetate is used for denaturation of

Answer 35

alcahols

Question 36

increase in concentration of calcium in plasma leads to

Answer 36

Hyper parathyroidism

Question 37

Human body contains about _______ different kinds of proteins.

Answer 37

100,000

Question 38

Inactive trypsinogen is activated to active trypsin by action of

Answer 38

Enterokinase

Question 39

Ceruplasmin carries _________ in blood plasma.

Answer 39

Copper

Question 40

Plant enzyme urease has optimum temperature of

Answer 40

60oC

Question 41

Fatty acids are long chain hydrocarbons containing usually _______ carbon atom per molecule.

Answer 41

12-18

Question 42

Sesame seeds are rich in

Answer 42

Calcium

Question 43

_______% of phosphorous is in form of calcium salts in the skeleton.

Answer 43

80

Question 44

Impairment of ability of taste occurs due to deficiency of

Answer 44

Zinc