Biomolecules — Practice Quiz
CBSE · Class 11 · Biology
Try a 4-question quiz on Biomolecules for CBSE Class 11 Biology: tap an answer to check it and see why. 131 questions in the full chapter test.
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Quick Quiz: Biomolecules
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Which element has the highest relative abundance in living organisms compared to non-living matter?
What is the most abundant chemical in living organisms?
How many types of amino acids are found in proteins?
Which protein is the most abundant in the entire biosphere?
Sample Questions
What is the molecular weight range for biomolecules in the acid-soluble pool?
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18-800 Daltons
The chapter specifies that biomolecules in the acid-soluble pool have molecular weights ranging from 18 to around 800 daltons.
Which of these is NOT a type of macromolecule found in living systems?
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Lipids
Proteins, nucleic acids and polysaccharides are the main macromolecules in living systems. Lipids are present in the acid-insoluble fraction because they are associated with membranes, but they are not strictly macromolecules. So the correct choice is lipids.
What is the primary function of enzymes?
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Catalyze biochemical reactions
Enzymes are proteins that catalyze biochemical reactions in cells, dramatically increasing reaction rates.
How many types of nucleotides exist?
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5
The chapter summary states that there are 5 types of nucleotides. These are adenylic, thymidylic, guanylic, uridylic and cytidylic acids. Therefore, the correct answer is 5.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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