Revision Questions for Class 11 Biology Biomolecules. Try first, then reveal the answer. These are exam-oriented practice items, not copied board papers.
Practice questions aligned to NCERT topics used in CBSE classrooms. These are original exam-oriented questions for revision — not official CBSE board papers and not a guarantee of any exam question. Always match the textbook issued by your school and the latest PDFs on ncert.nic.in and cbseacademic.nic.in.
Answers opened: 0
Practice set
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Biomolecules in the chapter Biomolecules.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Biomolecules is an NCERT chapter taught in CBSE Class 11 Biology
C. Amino acids and peptide bond
D. Enzymes are biocatalysts
Answer
C. Amino acids and peptide bond
Explanation
Amino acids and peptide bond. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Biomolecules in the chapter Biomolecules.
A. Km and Vmax idea
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Primary to quaternary protein structure
Answer
D. Primary to quaternary protein structure
Explanation
Primary to quaternary protein structure. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Biomolecules in the chapter Biomolecules.
A. Nucleic acids: DNA, RNA
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Biomolecules in your own words; that is enough for a short-answer start
D. Enzymes are biocatalysts
Answer
D. Enzymes are biocatalysts
Explanation
Enzymes are biocatalysts. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Biomolecules in the chapter Biomolecules.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Km and Vmax idea
C. Biomolecules is an NCERT chapter taught in CBSE Class 11 Biology
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
B. Km and Vmax idea
Explanation
Km and Vmax idea. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Nucleic acids in the chapter Biomolecules.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Nucleic acids: DNA, RNA
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Mix MCQs with short answers so you remember both facts and explanations from Biomolecules
Answer
B. Nucleic acids: DNA, RNA
Explanation
Nucleic acids: DNA, RNA. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q6MCQ1 markEasy
Choose the correct statement related to Biomolecules in the chapter Biomolecules.
A. Km and Vmax idea
B. Write three points from Biomolecules in your own words; that is enough for a short-answer start
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Biomolecules is an NCERT chapter taught in CBSE Class 11 Biology
Answer
D. Biomolecules is an NCERT chapter taught in CBSE Class 11 Biology
Explanation
Biomolecules is an NCERT chapter taught in CBSE Class 11 Biology. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q7MCQ1 markEasy
Choose the correct statement related to Textbook first in the chapter Biomolecules.
A. The textbook says the opposite of this statement
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
D. Use the terms used in the NCERT book; do not replace them with unofficial names
Answer
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
Explanation
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q8MCQ1 markEasy
Choose the correct statement related to Keywords in the chapter Biomolecules.
A. This happens only in a laboratory and never in daily life
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Mix MCQs with short answers so you remember both facts and explanations from Biomolecules
Answer
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
Explanation
Every chapter ends with keywords or a summary that is useful for one-mark answers. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Biomolecules.
A. Write three points from Biomolecules in your own words; that is enough for a short-answer start
B. This idea is not part of the NCERT chapter
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Amino acids and peptide bond
Answer
C. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q10MCQ1 markModerate
Choose the correct statement related to Diagrams in the chapter Biomolecules.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. The textbook says the opposite of this statement
C. Primary to quaternary protein structure
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Explanation
If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q11MCQ1 markEasy
Choose the correct statement related to Revision in the chapter Biomolecules.
A. Write three points from Biomolecules in your own words; that is enough for a short-answer start
B. Enzymes are biocatalysts
C. Mix MCQs with short answers so you remember both facts and explanations from Biomolecules
D. This happens only in a laboratory and never in daily life
Answer
A. Write three points from Biomolecules in your own words; that is enough for a short-answer start
Explanation
Write three points from Biomolecules in your own words; that is enough for a short-answer start. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q12MCQ1 markEasy
Choose the correct statement related to Accuracy in the chapter Biomolecules.
A. Amino acids and peptide bond
B. This idea is not part of the NCERT chapter
C. Use the terms used in the NCERT book; do not replace them with unofficial names
D. Km and Vmax idea
Answer
C. Use the terms used in the NCERT book; do not replace them with unofficial names
Explanation
Use the terms used in the NCERT book; do not replace them with unofficial names. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Biomolecules.
A. Mix MCQs with short answers so you remember both facts and explanations from Biomolecules
B. The textbook says the opposite of this statement
C. Nucleic acids: DNA, RNA
D. Primary to quaternary protein structure
Answer
A. Mix MCQs with short answers so you remember both facts and explanations from Biomolecules
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Biomolecules. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q14MCQ1 markEasy
Choose the correct statement related to Biomolecules in the chapter Biomolecules.
A. Amino acids and peptide bond
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. Km and Vmax idea
D. This happens only in a laboratory and never in daily life
Answer
A. Amino acids and peptide bond
Explanation
Amino acids and peptide bond. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q15MCQ1 markModerate
Choose the correct statement related to Biomolecules in the chapter Biomolecules.
A. Primary to quaternary protein structure
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Amino acids and peptide bond
D. Nucleic acids: DNA, RNA
Answer
A. Primary to quaternary protein structure
Explanation
Primary to quaternary protein structure. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q16MCQ1 markEasy
Choose the correct statement related to Biomolecules in the chapter Biomolecules.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Enzymes are biocatalysts
C. Biomolecules is an NCERT chapter taught in CBSE Class 11 Biology
D. Primary to quaternary protein structure
Answer
B. Enzymes are biocatalysts
Explanation
Enzymes are biocatalysts. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Biomolecules in the chapter Biomolecules.
A. Km and Vmax idea
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. Enzymes are biocatalysts
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
A. Km and Vmax idea
Explanation
Km and Vmax idea. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q18MCQ1 markEasy
Choose the correct statement related to Nucleic acids in the chapter Biomolecules.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. Write three points from Biomolecules in your own words; that is enough for a short-answer start
C. Km and Vmax idea
D. Nucleic acids: DNA, RNA
Answer
D. Nucleic acids: DNA, RNA
Explanation
Nucleic acids: DNA, RNA. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q19MCQ1 markEasy
Choose the correct statement related to Biomolecules in the chapter Biomolecules.
A. Biomolecules is an NCERT chapter taught in CBSE Class 11 Biology
B. This topic is only for college
C. Nucleic acids: DNA, RNA
D. Primary to quaternary protein structure
Answer
A. Biomolecules is an NCERT chapter taught in CBSE Class 11 Biology
Explanation
Biomolecules is an NCERT chapter taught in CBSE Class 11 Biology. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q20MCQ1 markModerate
Choose the correct statement related to Textbook first in the chapter Biomolecules.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Mix MCQs with short answers so you remember both facts and explanations from Biomolecules
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Biomolecules is an NCERT chapter taught in CBSE Class 11 Biology
Answer
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
Explanation
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q211 Mark1 markEasy
Define or state: Keywords.
Answer
Every chapter ends with keywords or a summary that is useful for one-mark answers.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q221 Mark1 markEasy
Define or state: Examples.
Answer
CBSE often tests a concept by asking a daily-life example from the same chapter.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q231 Mark1 markEasy
Define or state: Diagrams.
Answer
If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q241 Mark1 markEasy
Define or state: Revision.
Answer
Write three points from Biomolecules in your own words; that is enough for a short-answer start.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q251 Mark1 markModerate
Define or state: Accuracy.
Answer
Use the terms used in the NCERT book; do not replace them with unofficial names.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q261 Mark1 markEasy
Define or state: Practice.
Answer
Mix MCQs with short answers so you remember both facts and explanations from Biomolecules.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q271 Mark1 markEasy
Define or state: Biomolecules.
Answer
Amino acids and peptide bond.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q281 Mark1 markEasy
Define or state: Biomolecules.
Answer
Primary to quaternary protein structure.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q291 Mark1 markEasy
Define or state: Biomolecules.
Answer
Enzymes are biocatalysts.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q301 Mark1 markModerate
Define or state: Biomolecules.
Answer
Km and Vmax idea.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q312 Mark2 marksModerate
Give two points to explain Nucleic acids as used in Biomolecules.
Answer
1. Nucleic acids: DNA, RNA.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q322 Mark2 marksDifficult
Give two points to explain Biomolecules as used in Biomolecules.
Answer
1. Biomolecules is an NCERT chapter taught in CBSE Class 11 Biology.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q332 Mark2 marksModerate
Give two points to explain Textbook first as used in Biomolecules.
Answer
1. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q342 Mark2 marksModerate
Give two points to explain Keywords as used in Biomolecules.
Answer
1. Every chapter ends with keywords or a summary that is useful for one-mark answers.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q352 Mark2 marksModerate
Give two points to explain Examples as used in Biomolecules.
Answer
1. CBSE often tests a concept by asking a daily-life example from the same chapter.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q362 Mark2 marksDifficult
Give two points to explain Diagrams as used in Biomolecules.
Answer
1. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q372 Mark2 marksModerate
Give two points to explain Revision as used in Biomolecules.
Answer
1. Write three points from Biomolecules in your own words; that is enough for a short-answer start.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q382 Mark2 marksModerate
Give two points to explain Accuracy as used in Biomolecules.
Answer
1. Use the terms used in the NCERT book; do not replace them with unofficial names.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q392 Mark2 marksModerate
Give two points to explain Practice as used in Biomolecules.
Answer
1. Mix MCQs with short answers so you remember both facts and explanations from Biomolecules.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q402 Mark2 marksDifficult
Give two points to explain Biomolecules as used in Biomolecules.
Answer
1. Amino acids and peptide bond.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 11 · Subject: Biology · Chapter: Biomolecules · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
FAQs
Are these official CBSE board questions?
No. They are original practice questions aligned to NCERT topics used in CBSE classrooms. Official sample papers are published on cbseacademic.nic.in.
Will these questions appear in the board exam?
Nobody can promise a question. Use them for revision of frequently tested concepts and exam-style practice.
Is the chapter list the latest NCERT list?
Yes, the catalog follows current NCERT textbooks used in CBSE schools (including new middle-stage books such as Ganita Prakash and Curiosity). Always match the book issued by your school.
How should I use the 100 questions?
Try the question first, then tap Show answer. Mix MCQs with long answers. Revise formulas and diagrams from the textbook alongside this set.
Where are NCERT solutions?
Open the NCERT-style practice link on this subject or chapter. For word-for-word textbook exercise answers, use the NCERT book itself; we do not copy solution keys from other websites.
What is the suggested URL pattern?
Hub /cbse/, then /cbse/class-11/, then subject and chapter slugs.
Why is this a separate URL?
So students searching for “Revision Questions” land on a filtered set, while the chapter page remains the full 100-question bank. Same facts, different search intent.
Today's 3-step path
Follow this loop every day: mixed test, current affairs, then today's subject. A new set arrives tomorrow.
