Practice Test Sets (Total Questions: 100)

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Topic Practice: Biomolecules (Test - 2)

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About Biomolecules MCQ - Test 2

Ace Biomolecules for NEET UG with essential practice MCQs, enzyme kinetics, structural diagrams, and NCERT-based notes on proteins, carbohydrates, lipids, an…

This Biomolecules MCQ practice set is designed for students preparing for school exams and competitive exams. It contains 100 multiple choice questions divided into 2 test sets of up to 50 questions each. Every question has four options, and after answering you can see the correct option, a detailed explanation and how other users answered.

biomolecules NEET MCQs carbohydrates proteins lipids nucleic acids enzymes catalysis NEET questions metabolism biochemicals NEET biology notes

Sample Biomolecules Questions

  1. Statement I: The two chains of double-stranded DNA run in parallel directions (5'->3' and 5'->3'). Statement II: The backbone of DNA chain is formed by alternating sugar-phosphate-sugar sequences, with nitrogenous bases projected inside. In light of the above statements, choose the correct answer:
    • A. Both Statement I and Statement II are correct
    • B. Both Statement I and Statement II are incorrect
    • C. Statement I is correct but Statement II is incorrect
    • D. Statement I is incorrect but Statement II is correct
  2. In t-RNA (transfer RNA), the 3'-end contains an unpaired CCA sequence which serves as:
    • A. Anticodon loop for mRNA binding
    • B. Amino acid attachment site
    • C. Ribosome binding site (T-psi-C arm)
    • D. DHU loop for enzyme recognition
  3. Which of the following bonds connects a nitrogenous base to the 1'-carbon of a pentose sugar in a nucleoside?
    • A. N-Glycosidic bond
    • B. Phosphodiester bond
    • C. Peptide bond
    • D. Ester bond
  4. Consider a linear double-stranded DNA fragment containing 1000 base pairs. How many phosphodiester bonds are present in this double-stranded DNA molecule?
    • A. 2000
    • B. 1998
    • C. 1000
    • D. 998
  5. Enzymes are biocatalysts that accelerate chemical reactions by:
    • A. Increasing the activation energy barrier of the reaction
    • B. Lowering the activation energy barrier between substrate and transition state
    • C. Increasing the overall enthalpy change (Delta H) of the reaction
    • D. Shifting the chemical equilibrium position towards products
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Frequently Asked Questions

How many questions are there in Biomolecules MCQ?

This page has 50 questions in Test - 2 out of 100 total questions on Biomolecules.

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Yes. After you select an option, the correct answer is shown along with an explanation and the percentage of users who chose each option.

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Click the Start button on this page, answer the questions one by one, and review your score. You can resume anytime and track progress from your dashboard.