Biomolecules Test

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Biomolecules Test - 29

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is not produced by human body?

A
Enzymes

B
Vitamins

C
Proteins

D
Nucleic acid

Solution

Vitamins are essential components of our diet and are not produced by our body.
Question 2
1 / -0

Incorrect statement about given carbohydrate is

A
Above compound is a reducing sugar

B
Above compound undergo mutaritation

C
Above compound is a non-reducing sugar

D
Above compound has a glycosidic linkage

Solution

As the given compound contains free $$OH$$ group at anomeric carbon. So it can act as reducing again in its open chain configuration thats why it is reducing sugar.
Question 3
1 / -0

Synthesis of each molecule of glucose in photosynthesis involves:

A
$$6$$ molecules of ATP

B
$$18$$ molecules of ATP

C
$$10$$ molecules of ATP

D
$$8$$ molecules of ATP

Solution

The chemical reaction that takes place during photosynthesis is given below:

$$6CO_2+6H_2O \rightarrow C_6H_{12}O_2+6O_2+18ATP+12NADPH$$

Thus, synthesis of each molecule of glucose involves 18 molecules of ATP
Question 4
1 / -0

Vegetable oils like wheat germ oil, sunflower oil, etc. are the good source of ?

A
vitamin K

B
vitamin E

C
vitamin D

D
vitamin A

Solution

Vitamin E is found in vegetable oils like wheat germ oil (135$$\%$$ DV per serving), sunflower oil (37$$\%$$ DV per serving) etc.
Question 5
1 / -0

The elimination of H' will take place at

A
(a)

B
(b)

C
(c)

D
(d)
Question 6
1 / -0

Guanine is an example of:

A
a nitrogenous base

B
a nucleoside

C
a nucleotide

D
phosphate

Solution

The four nitrogenous bases present in DNA are adenine (A), guanine (G), cytosine (C) and thymine (T).
Question 7
1 / -0

The vitamin having metal atom is ?

A
Vitamin A

B
Vitamin K

C
Vitamin $${ B }_{ 12 }$$

D
Vitamin C

Solution

Vitamin B$$_{12}$$ contains metal cobalt. Vitamin A consists of organic compounds which include retinol, retinal, retinoic acid, $$ \beta $$eta caritene.
Question 8
1 / -0

Which of the following is correct for Lactose

A
It is nonreducing sugar

B
Glycosidic bond $$[1,4]$$ between glucose and galactose

C
Glycosidic bond $$[1,4]$$ between glucose and fructose

D
Glycosidic bond $$[1,2]$$ between glucose and galactose

Solution

Lactose $$=$$ Glycosidic bond $$[1,4]$$ between glucose and galactose
Question 9
1 / -0

Which of the following is a polysaccharide?

A
Cellulose

B
Sucrose

C
Galactose

D
Maltose

Solution

Cellulose is a polysaccharide. Cellulose is a linear polysaccharide polymer with many glucose monosaccharide units. It is an organic compound with the formula $$(C_6H_{10}O_5)_n$$. The cellulose chain bristles with polar $$-OH$$ groups. These groups form many hydrogen bonds with $$OH$$ groups on adjacent chains, bundling the chains together. The chains also pack regularly in places to form hard, stable crystalline regions that give the bundled chains even more stability and strength.
Question 10
1 / -0

A disaccharide which gives only glucose on hydrolysis is :

A
lactose

B
fructose

C
sucrose

D
maltose

Solution

Lactose is made of glucose and galactose.
Fructose is itself a monosaccharide.
Sucrose is made of glucose and fructose.
Maltose is made of 2 glucose units.
So, D is correct.

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Biomolecules Test - 29

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Biomolecules Test - 29

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SHARING IS CARING

Question 1

Enzymes

Vitamins

Proteins

Nucleic acid

Solution

Question 2

Above compound is a reducing sugar

Above compound undergo mutaritation

Above compound is a non-reducing sugar

Above compound has a glycosidic linkage

Solution

Question 3

$$6$$ molecules of ATP

$$18$$ molecules of ATP

$$10$$ molecules of ATP

$$8$$ molecules of ATP

Solution

Question 4

vitamin K

vitamin E

vitamin D

vitamin A

Solution

Question 5

(a)

(b)

(c)

(d)

Question 6

a nitrogenous base

a nucleoside

a nucleotide

phosphate

Solution

Question 7

Vitamin A

Vitamin K

Vitamin $${ B }_{ 12 }$$

Vitamin C

Solution

Question 8

It is nonreducing sugar

Glycosidic bond $$[1,4]$$ between glucose and galactose

Glycosidic bond $$[1,4]$$ between glucose and fructose

Glycosidic bond $$[1,2]$$ between glucose and galactose

Solution

Question 9

Cellulose

Sucrose

Galactose

Maltose

Solution

Question 10

lactose

fructose

sucrose

maltose

Solution

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