Edzy
AI TutorResourcesToolsCompareBuy
SearchDownload AppLogin
Edzy

Edzy for Classes 6-12

Edzy is a personal AI tutor for CBSE and State Board students, with curriculum-aligned guidance, practice, revision, and study plans that adapt to each learner.

  • Email: always@edzy.ai
  • Phone: +91 96256 68472
  • WhatsApp: +91 96256 68472
  • Address: Sector 63, Gurgaon, Haryana

Follow Edzy

Browse by Class

  • CBSE Class 6
  • CBSE Class 7
  • CBSE Class 8
  • CBSE Class 9
  • CBSE Class 10
  • CBSE Class 11
  • CBSE Class 12
Explore the CBSE resource hub

Explore Edzy

  • Study Resources
  • Free Study Tools
  • Best Apps for Board Exams
  • Edzy vs ChatGPT
  • About Us
  • Why We Built Edzy
  • Blog
  • CBSE AI Tutor

Support & Legal

  • Help & FAQs
  • Accessibility
  • Privacy Policy
  • Terms & Conditions
  • Refund Policy
  • Cookie Policy
  • Site Directory

© 2026 Edzy. All rights reserved.

Curriculum-aligned learning paths for students in Classes 6-12.

CBSE
Class 12
Chemistry
Chemistry - II
Biomolecules

Question Bank

Practice Hub

Question Bank: Biomolecules

This chapter explores the various biomolecules essential for life, including carbohydrates, proteins, nucleic acids, and lipids, highlighting their structures and functions.

Structured practice
Question Practice

Practice chapter questions in a cleaner, exam-ready flow

Start with curated question sets, move into full module views when needed, and keep discovering related practice without losing your place in the chapter.

Question Bank - Biomolecules

View all (96)
Q1.

What is the molecular formula of glucose?

Single Answer MCQ
Q-00083850
View explanation
Q2.

Which of the following is a storage polysaccharide in plants?

Single Answer MCQ
Q-00083851
View explanation
Q3.

What type of linkage connects the monosaccharide units in starch?

Single Answer MCQ
Q-00083852
View explanation
Q4.

Which sugar is commonly known as milk sugar?

Single Answer MCQ
Q-00083853
View explanation
Q5.

What is the main structural component of plant cell walls?

Single Answer MCQ
Q-00083854
View explanation
Q6.

How does glucose react with hydroxylamine?

Single Answer MCQ
Q-00083855
View explanation
Q7.

What type of carbohydrate is glycogen primarily classified as?

Single Answer MCQ
Q-00083856
View explanation
Q8.

What type of reaction yields gluconic acid from glucose?

Single Answer MCQ
Q-00083857
View explanation
Q9.

Which carbohydrate is noted for having a branched structure?

Single Answer MCQ
Q-00083858
View explanation
Q10.

D-Glucose is classified based on its relationship to what molecule?

Single Answer MCQ
Q-00083859
View explanation
Q11.

What is the major difference between cellulose and starch?

Single Answer MCQ
Q-00083860
View explanation
Q12.

What is the primary function of carbohydrates in living organisms?

Single Answer MCQ
Q-00083861
View explanation
Q13.

How many -OH groups does glucose possess?

Single Answer MCQ
Q-00083862
View explanation
Q14.

What distinguishes a reducing sugar from a non-reducing sugar?

Single Answer MCQ
Q-00083863
View explanation
Q15.

Which of the following can be produced from the hydrolysis of starch?

Single Answer MCQ
Q-00083864
View explanation
Q16.

Which of the following best describes enzymes?

Single Answer MCQ
Q-00083880
View explanation
Q17.

What suffix is commonly used in the names of enzymes?

Single Answer MCQ
Q-00083881
View explanation
Q18.

Which factor does NOT affect enzyme activity?

Single Answer MCQ
Q-00083882
View explanation
Q19.

Which of the following enzymes hydrolyzes maltose into glucose?

Single Answer MCQ
Q-00083883
View explanation
Q20.

Enzymes lower the activation energy of a reaction. What is the consequence?

Single Answer MCQ
Q-00083884
View explanation
Q21.

What type of enzyme catalyzes the transfer of phosphate groups?

Single Answer MCQ
Q-00083885
View explanation
Q22.

What happens to enzymes after they catalyze a reaction?

Single Answer MCQ
Q-00083886
View explanation
Q23.

Why are enzymes considered specific to their substrates?

Single Answer MCQ
Q-00083887
View explanation
Q24.

Which condition typically leads to enzyme denaturation?

Single Answer MCQ
Q-00083888
View explanation
Q25.

What is the function of coenzymes in enzyme activity?

Single Answer MCQ
Q-00083889
View explanation
Q26.

Which enzyme is responsible for the oxidation of substrates?

Single Answer MCQ
Q-00083890
View explanation
Q27.

Enzymes are proteins that can act under mild conditions. What advantage does this provide?

Single Answer MCQ
Q-00083891
View explanation
Q28.

The enzyme sucrase catalyzes the hydrolysis of sucrose. What are the products formed?

Single Answer MCQ
Q-00083892
View explanation
Q29.

A particular enzyme loses its activity at high temperatures. This enzyme is likely to be:

Single Answer MCQ
Q-00083893
View explanation
Q30.

Which of the following describes enzyme-substrate interaction?

Single Answer MCQ
Q-00083894
View explanation
Q31.

Why are enzymes considered biocatalysts?

Single Answer MCQ
Q-00083895
View explanation
Q32.

What is the primary role of insulin in the body?

Single Answer MCQ
Q-00083896
View explanation
Q33.

Which hormone is primarily involved in the body's response to stress?

Single Answer MCQ
Q-00083897
View explanation
Q34.

Which hormone regulates the metabolism of carbohydrates, fats, and proteins?

Single Answer MCQ
Q-00083898
View explanation
Q35.

What type of molecule is adrenaline?

Single Answer MCQ
Q-00083899
View explanation
Q36.

Which of the following is a function of glucagon?

Single Answer MCQ
Q-00083900
View explanation
Q37.

What condition results from the overproduction of thyroxine?

Single Answer MCQ
Q-00083901
View explanation
Q38.

What hormone is responsible for the regulation of the menstrual cycle?

Single Answer MCQ
Q-00083902
View explanation
Q39.

Which hormone is released by the adrenal medulla during stressful situations?

Single Answer MCQ
Q-00083903
View explanation
Q40.

What is the role of growth hormone in the body?

Single Answer MCQ
Q-00083904
View explanation
Q41.

How does the endocrine system primarily transmit hormones?

Single Answer MCQ
Q-00083905
View explanation
Q42.

Which gland is known as the 'master gland' of the endocrine system?

Single Answer MCQ
Q-00083906
View explanation
Q43.

What is Addison's disease related to?

Single Answer MCQ
Q-00083907
View explanation
Q44.

Which of the following hormones primarily stimulates the metabolism of calcium?

Single Answer MCQ
Q-00083908
View explanation
Q45.

Which type of hormone is testosterone?

Single Answer MCQ
Q-00083909
View explanation
Q46.

What triggers the release of insulin?

Single Answer MCQ
Q-00083910
View explanation
Q47.

How do steroid hormones exert their effects?

Single Answer MCQ
Q-00083911
View explanation
Q48.

What is the primary function of nucleic acids?

Single Answer MCQ
Q-00083912
View explanation
Q49.

Which nitrogenous base is found in RNA but not in DNA?

Single Answer MCQ
Q-00083913
View explanation
Q50.

What type of bond forms between nucleotides in a nucleic acid chain?

Single Answer MCQ
Q-00083914
View explanation
Q51.

Which of the following statements about DNA is correct?

Single Answer MCQ
Q-00083915
View explanation
Q52.

What is the primary component of the backbone of DNA?

Single Answer MCQ
Q-00083916
View explanation
Q53.

Which process involves the synthesis of mRNA from a DNA template?

Single Answer MCQ
Q-00083917
View explanation
Q54.

In which part of the cell does transcription primarily occur?

Single Answer MCQ
Q-00083918
View explanation
Q55.

What type of RNA is responsible for carrying amino acids to the ribosome during protein synthesis?

Single Answer MCQ
Q-00083919
View explanation
Q56.

Which of the following is a characteristic of RNA?

Single Answer MCQ
Q-00083920
View explanation
Q57.

Which base pairs with adenine in DNA?

Single Answer MCQ
Q-00083921
View explanation
Q58.

What is the role of ribosomal RNA (rRNA)?

Single Answer MCQ
Q-00083922
View explanation
Q59.

Which of the following best describes a nucleotide?

Single Answer MCQ
Q-00083923
View explanation
Q60.

During replication, which enzyme is primarily responsible for unwinding the DNA double helix?

Single Answer MCQ
Q-00083924
View explanation
Q61.

In terms of structure, what distinguishes RNA from DNA?

Single Answer MCQ
Q-00083925
View explanation
Q62.

What type of bond holds together complementary base pairs in DNA?

Single Answer MCQ
Q-00083926
View explanation
Q63.

Which type of RNA carries instructions from DNA for protein synthesis?

Single Answer MCQ
Q-00083927
View explanation
Q64.

What is the primary structure of a protein?

Single Answer MCQ
Q-00083928
View explanation
Q65.

Which of the following bonds stabilizes the secondary structure of proteins?

Single Answer MCQ
Q-00083929
View explanation
Q66.

What type of protein structure is characterized by pleated sheets?

Single Answer MCQ
Q-00083930
View explanation
Q67.

Which type of protein is known for having a spherical shape?

Single Answer MCQ
Q-00083931
View explanation
Q68.

What occurs to a protein during denaturation?

Single Answer MCQ
Q-00083932
View explanation
Q69.

In proteins, what stabilizes the tertiary structure?

Single Answer MCQ
Q-00083933
View explanation
Q70.

Which structural level of a protein is not seen in proteins made of a single polypeptide chain?

Single Answer MCQ
Q-00083934
View explanation
Q71.

Which of the following can cause protein denaturation?

Single Answer MCQ
Q-00083935
View explanation
Q72.

What primarily determines the unique shape and function of a protein?

Single Answer MCQ
Q-00083936
View explanation
Q73.

Which type of bond links amino acids together in a protein?

Single Answer MCQ
Q-00083937
View explanation
Q74.

Which of the following is not a function of proteins?

Single Answer MCQ
Q-00083938
View explanation
Q75.

Which protein structure involves multiple subunits?

Single Answer MCQ
Q-00083939
View explanation
Q76.

What is the effect of reducing agents on disulfide bonds in proteins?

Single Answer MCQ
Q-00083940
View explanation
Q77.

Which method can be used to determine protein concentration in a solution?

Single Answer MCQ
Q-00083941
View explanation
Q78.

Which of the following describes enzymes?

Single Answer MCQ
Q-00083942
View explanation
Q79.

Proteins lose their function when their structure is altered. This is known as:

Single Answer MCQ
Q-00083943
View explanation
Q80.

Which vitamin is primarily involved in vision and immune function?

Single Answer MCQ
Q-00083944
View explanation
Q81.

Which vitamin is known as ascorbic acid and is critical for collagen synthesis?

Single Answer MCQ
Q-00083945
View explanation
Q82.

Which fat-soluble vitamin is essential for calcium absorption and bone health?

Single Answer MCQ
Q-00083946
View explanation
Q83.

What deficiency disease results from a lack of Vitamin B1?

Single Answer MCQ
Q-00083947
View explanation
Q84.

Which vitamin is known for its blood-clotting properties?

Single Answer MCQ
Q-00083948
View explanation
Q85.

Which of the following vitamins is water-soluble?

Single Answer MCQ
Q-00083949
View explanation
Q86.

Excess intake of which vitamin can lead to toxicity, especially in the context of supplements?

Single Answer MCQ
Q-00083950
View explanation
Q87.

What is a primary source of Vitamin D in the human diet?

Single Answer MCQ
Q-00083951
View explanation
Q88.

Which of the following vitamins do not need to be consumed daily due to storage in the body?

Single Answer MCQ
Q-00083952
View explanation
Q89.

Which vitamin is primarily known for its antioxidant properties?

Single Answer MCQ
Q-00083953
View explanation
Q90.

Which vitamin is associated with the prevention of neural tube defects during pregnancy?

Single Answer MCQ
Q-00083955
View explanation
Q91.

What is the role of Vitamin B12 in the body?

Single Answer MCQ
Q-00083957
View explanation
Q92.

Which of the following vitamins must typically be ingested through dietary sources as the body cannot synthesize it?

Single Answer MCQ
Q-00083959
View explanation
Q93.

What is a common dietary source of Vitamin B6?

Single Answer MCQ
Q-00083961
View explanation
Q94.

Vitamin D is synthesized in the skin upon exposure to what?

Single Answer MCQ
Q-00083963
View explanation
Q95.

Which vitamin is referred to as the anti-stress vitamin?

Single Answer MCQ
Q-00083965
View explanation
Q96.

What deficiency is caused by a lack of Vitamin C?

Single Answer MCQ
Q-00083967
View explanation
Learn Better On The App
Practice-first experience

Practice Makes Perfect

Sharpen concepts with MCQs, quizzes, and focused topic-based practice.

Endless questions
Topic-wise prep

Faster access to practice, revision, and daily study flow.

Edzy mobile app preview