Chapter 9: Biomolecules MCQs | biology Class 11 CBSE

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Chapter 9: Biomolecules MCQs | biology Class 11 CBSE | ByteNotes.in

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Question 1

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Which of the following is the correct technique used to separate the acid-soluble pool from the acid-insoluble fraction during analysis of living tissue?

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Question 2

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The relative abundance of which element is significantly higher in living organisms compared to earth's crust, as shown in Table 9.1 of the chapter?

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Question 3

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Amino acids that occur in proteins are called proteinaceous amino acids. How many types of such amino acids are found in proteins?

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Question 4

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Which of the following correctly defines the zwitterionic form (Form B) of an amino acid?

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Question 5

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Palmitic acid is a fatty acid with how many carbon atoms, including the carboxyl carbon?

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Question 6

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Which of the following is an example of a secondary metabolite produced by plants?

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Question 7

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What is the molecular weight range of compounds found in the acid-soluble pool of living tissues?

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Question 8

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Which of the following polysaccharides forms helical secondary structures that can hold iodine molecules, turning blue in colour?

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Question 9

Objective

Inulin is a polymer of which monosaccharide?

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Question 10

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Which complex polysaccharide forms the exoskeletons of arthropods, built from amino sugars?

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Question 11

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A nucleotide consists of three components. Which of the following correctly lists all three?

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Question 12

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Which of the following correctly pairs a nucleoside with the nitrogenous base it contains?

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Question 13

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Adenine and Guanine are classified as purines. Which of the following are substituted pyrimidines found in nucleic acids?

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Question 14

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The primary structure of a protein refers to:

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Question 15

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In proteins, the secondary structure includes the alpha-helix. Which type of helix is observed in proteins?

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Question 16

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Adult human haemoglobin consists of how many subunits, and in what combination?

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Question 17

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Which of the following proteins is the most abundant protein in the entire biosphere?

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Question 18

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Almost all enzymes are proteins. What are the nucleic acid molecules that behave like enzymes called?

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Question 19

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The active site of an enzyme is best described as:

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Question 20

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The enzyme carbonic anhydrase catalyses the conversion of CO2 and water to carbonic acid. Approximately how many molecules of H2CO3 are formed per second with this enzyme?

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Chapter 9: Biomolecules | MCQs

Which of the following is the correct technique used to separate the acid-soluble pool from the acid-insoluble fraction during analysis of living tissue?

The relative abundance of which element is significantly higher in living organisms compared to earth's crust, as shown in Table 9.1 of the chapter?

Amino acids that occur in proteins are called proteinaceous amino acids. How many types of such amino acids are found in proteins?

Which of the following correctly defines the zwitterionic form (Form B) of an amino acid?

Palmitic acid is a fatty acid with how many carbon atoms, including the carboxyl carbon?

Which of the following is an example of a secondary metabolite produced by plants?

What is the molecular weight range of compounds found in the acid-soluble pool of living tissues?

Which of the following polysaccharides forms helical secondary structures that can hold iodine molecules, turning blue in colour?

Inulin is a polymer of which monosaccharide?

Which complex polysaccharide forms the exoskeletons of arthropods, built from amino sugars?

A nucleotide consists of three components. Which of the following correctly lists all three?

Which of the following correctly pairs a nucleoside with the nitrogenous base it contains?

Adenine and Guanine are classified as purines. Which of the following are substituted pyrimidines found in nucleic acids?

The primary structure of a protein refers to:

In proteins, the secondary structure includes the alpha-helix. Which type of helix is observed in proteins?

Adult human haemoglobin consists of how many subunits, and in what combination?

Which of the following proteins is the most abundant protein in the entire biosphere?

Almost all enzymes are proteins. What are the nucleic acid molecules that behave like enzymes called?

The active site of an enzyme is best described as:

The enzyme carbonic anhydrase catalyses the conversion of CO2 and water to carbonic acid. Approximately how many molecules of H2CO3 are formed per second with this enzyme?

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