NEET Biology: Molecular Basis of Inheritance — MCQ Test 2

Q6. Which base is found in RNA but not in DNA?

Q7. Which scientist's work led to the discovery of the base pairing rule in DNA?

Q8. Which of the following statements about translation is incorrect?

Q9. Which of the following is a component of a nucleotide?

Q10. Which of the following enzymes catalyzes the synthesis of RNA from a DNA template?

NEET BiologyMolecular Basis of Inheritance

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Which of the following statements about tRNA is correct?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Biology preparation, focusing specifically on the chapter Molecular Basis of Inheritance. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Following, Statements, Responsible, Fragments, Function, and Mutations.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. Which of the following statements about tRNA is correct?

  • A. tRNA contains an anticodon that pairs with mRNA codons.
  • B. tRNA carries nucleotides to ribosomes for translation.
  • C. tRNA is not involved in translation.
  • D. tRNA binds directly to DNA to assist in replication.

Q2. Which of the following statements about operons is correct?

  • A. Operons are found only in eukaryotic cells.
  • B. An operon consists of multiple genes controlled by a single promoter.
  • C. The lac operon is always active, regardless of lactose availability.
  • D. Operons regulate DNA replication.

Q3. Which enzyme is responsible for joining Okazaki fragments on the lagging strand?

  • A. Helicase
  • B. Primase
  • C. DNA ligase
  • D. Topoisomerase

Q4. Which of the following is NOT a function of RNA?

  • A. Genetic material in some viruses
  • B. Structural component of ribosomes
  • C. Catalyst in certain biochemical reactions
  • D. Main genetic material in all living organisms

Q5. Which of the following statements about mutations is incorrect?

  • A. Mutations can be caused by radiation and chemicals.
  • B. Mutations always result in harmful effects.
  • C. Mutations can be spontaneous or induced.
  • D. Some mutations are silent and do not affect the protein sequence.

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