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Biomolecules – 5 MCQ Tests
50 Questions • 5 Tests • Class 11 Biology
Instructions: Select one answer for every question and click Submit Test. The correct answer will appear inside the question itself after submission.
Biomolecules – Test 1
10 MCQs • Class 11 Biology
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1Living cell contains 60–75% water. Water present in human body is:
2Which one of the following is a body-building material?
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3DNA is composed of repeating units of:
4Which among the following are the largest physical and chemical molecules?
5Which one contains four pyrimidine bases?
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6A compound formed of a sugar and a nitrogen base is called a:
7Which of the following is not a polysaccharide?
8Which of the following is a homopolymer?
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9The sequence of amino acids in a protein is called:
10Which of the following is not a pyrimidine?
Biomolecules – Test 2
10 MCQs • Class 11 Biology
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1Which of the following is an essential amino acid?
2Glycogen is a homopolymer made of:
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3The RNA that carries specific amino acids from the cytoplasm to the ribosome is called:
4The similarity between DNA and RNA is that both are:
5Which is the first step in analysis of biomolecules?
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6A polysaccharide synthesized and stored in liver cells is:
7An amino acid having positive and negative charges simultaneously is called:
8Transamination is:
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9Which of the following can form RNA from DNA?
10The basic unit of nucleic acid is:
Biomolecules – Test 3
10 MCQs • Class 11 Biology
Not submitted
1In RNA, thymine is replaced by:
2The four elements making about 99% of the living system are:
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3Which of the following is an organic compound found in most cells?
4Bonds that do not exist in tertiary structure of proteins are:
5Which of the following is capable of self-replication?
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6The type of linkage present in carbohydrates is:
7A segment of DNA has 120 adenine and 120 cytosine bases. The total number of nucleotides present is:
8A nucleotide is formed of:
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9Lactose is composed of:
10Cytochrome is:
Biomolecules – Test 4
10 MCQs • Class 11 Biology
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1Which of the following statements regarding enzyme inhibition is correct?
2All enzymes are not proteins because:
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3Cellulose, the important constituent of plant cell wall, is made of:
4Which of the following is not a co-enzyme?
5A nucleotide is formed of:
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6Lecithin is a:
7Proteins are made up of:
8ATP is a:
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9An organic substance bound to an enzyme and essential for its activity is called:
10The primary structure of a protein molecule has:
Biomolecules – Test 5
10 MCQs • Class 11 Biology
Not submitted
1Which one is a milk protein?
2The most basic amino acid is:
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3For growth of the body and its repair, one needs:
4Which of the following is an endopeptidase of the plant kingdom?
5Which of the following is a lipid?
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6Which of the following elements is not found in living organisms according to the source question?
7In plants, inulin and pectin are:
8The enzyme first used for nitrogen fixation is:
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9The protein part of an enzyme is called apoenzyme and the non-protein part is called:
10Which of the following is an example of a competitive inhibitor of succinic dehydrogenase?
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