Biomolecules CBSE Class 12 Chemistry MCQ Questions with Answer Keys

If you are preparing for CBSE Class 12 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 12 Chemistry Chapterwise. In this article of AKVTutorials, you will get Biomolecules CBSE Class 12 Chemistry MCQ Questions with Answer Keys.

Biomolecules MCQ Questions for Class 12 Question No 11: 

α-Helical structure refers to the-

Option A : Primary structure of protein

Option B : Secondary structure of protein

Option C : Tertiary structure of protein

Option D : Quaternary structure of proteins

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Option B : Secondary structure of protein

Biomolecules MCQ Questions for Class 12 Question No 12:   

Simplest amino acid is –

Option A : Lysine

Option B : Glycine

Option C : Leucine

Option D : Alamine

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Option B : Glycine

Biomolecules MCQ Questions for Class 12 Question No 13:   

‘Kwashirokor’ is a disease caused by the deficiency

Option A : Vitamins

Option B : Hormones

Option C : Blood

Option D : Essential amino acids

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Option D : Essential amino acids

Biomolecules MCQ Questions for Class 12 Question No 14:       

Hair, fingers, nails, hoofs etc. are  all made of-

Option A : Fat

Option B : Vitamins

Option C : Proteins

Option D : Iron

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Option D : Proteins

Biomolecules MCQ Questions for Class 12 Question No 15:      

Mark the globular protein in the following- 

Option A : Collagen

Option B : Myoglobin or Haemoglobin

Option C : Myosin

Option D : Fibroin

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Option B : Myoglobin or Haemoglobin

Biomolecules MCQ Questions for Class 12 Question No 16:         

The end product of protein digestion is

Option A : peptides

Option B : peptones

Option C : protones

Option D : α-amino acids

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Option D : α-amino acids

Biomolecules MCQ Questions for Class 12 Question No 17:     

The enzyme pepsin hydrolyses-

Option A :protein to peptides

Option B : fats to fatty acids

Option C : glucose to ethyl alcohol

Option D :polysaccharides tomonosccharides

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Option A : protein to peptides

Biomolecules MCQ Questions for Class 12 Question No 18:      

Which one is the complimentary base of adenine in one strand to that in other strand of DNA?

Option A : cytosine 

Option B : guanine

Option C : Uracil

Option D : thymine

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Option D : thymine

Biomolecules MCQ Questions for Class 12 Question No 19:     

The base present in RNA but not found in DNA is

Option A : thymine 

Option B : Uracil

Option C : adenine

Option D : Guanine

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Option b: Uracil

Biomolecules MCQ Questions for Class 12 Question No 20:      

Calorific value is in the order 

Option A : fats>Proteins>Carbohydrates 

Option B : Carbohydrates>fats>Protein

Option C : Fats>Carbohydrates>Protein

Option D : Protein>Fats>carbohydrates

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Option C : Fats>Carbohydrates>Protein

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