Biomolecules Test

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Biomolecules Test - 75

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Weekly Quiz Competition

Question 1
1 / -0

The molecular formula of most common disaccharide is :

A
$$ (C_6H_{12}O_6)_6 $$

B
$$ (C_{12}H_{22}O_{11}) $$

C
$$ (C_{10}H_{22}O_{11}) $$

D
$$ (C_{18}H_{22}O_{11}) $$

Solution
Question 2
1 / -0

Players and manual labour are advised to take more of-

A
Protein

B
Fats

C
Carbohydrates

D
Mineral

Solution

Players and manual labours expend a lot of energy. Carbohydrates are a quick and very efficient sources of energy in the form of ATP. A single glucose molecule releases about 36 molecules of ATP.
Hence, they are advised to eat carbohydrate rich food like Rice, Wheat, plain Sugar, banana etc in greater quantities.
So, the correct answer is 'Carbohydrates'
Question 3
1 / -0

The food component which is known as the main source of energy:

A
Fat

B
Carbohydrate

C
Protein

D
Water

Solution

Carbohydrate is the principal respiratory substrate and releases a greater amount of energy as compared to proteins and fats on oxidation.
A single molecule of glucose releases about 36 molecules of ATP.
So, the correct answer is 'Carbohydrate'
Question 4
1 / -0

Chemical messengers are

A
Hormones

B
Enzymes

C
Vitamins

D
Nucleic acids

Solution
Question 5
1 / -0

The sequence in nucleic acid is

A
Base-sugar-phosphate

B
Sugar-base-phosphate

C
Phosphate-base-sugar

D
Base-phosphate-sugar

Solution
Question 6
1 / -0

In nucleic acid, nucleotides are attached to one another by

A
Hydrogen bond

B
Peptide bond

C
Phosphorous group

D
Glycosidic bond

Solution
Question 7
1 / -0

Alanine is an example of

A
Alpha-amino acid

B
B-fructose

C
Gamma-lactose

D
Delta-cellulose

Solution
Question 8
1 / -0

Enzymes are

A
Carbohydrates

B
Proteins

C
Fats

D
Salts

Solution
Question 9
1 / -0

Which of the following reaction is not an enzyme-medicated in the biological system?

A
Dissolving $$CO_2$$ in water

B
Untwining the two strands of DNA

C
Hydrolysis of sucrose

D
Formation of peptide bond
Question 10
1 / -0

Which of the following food contain carbohydrates?

A
Rice

B
Pulses

C
Egg

D
Butter
Solution
- Rice contains carbohydrates which provide energy.
- Pulses and egg contain proteins which provide bodybuilding material for growth.
- Butter contain fats that provide energy and help in insulating the body.
Thus, option A is correct.