Molecular Biology Quiz
Practice quiz on Molecular Biology (Biology). 5 questions.
About This Quiz
Molecular Biology Quiz — Questions with Solutions
All 5 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.DNA stands for?
- A.Deoxyribonucleic Acid
- B.Dinucleotide Acid
- C.Dinitrogen Acid
- D.Deoxy Nucleoprotein
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Answer: A. Deoxyribonucleic Acid
Carries genetic info.
Q2.Central Dogma?
- A.DNA to RNA to Protein
- B.Protein to RNA to DNA
- C.RNA to DNA to Protein
- D.DNA to Protein to RNA
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Answer: A. DNA to RNA to Protein
Information flow.
Q3.DNA structure discovered by?
- A.Watson and Crick
- B.Mendel
- C.Darwin
- D.Lamarck
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Answer: A. Watson and Crick
Double helix, 1953.
Q4.RNA differs from DNA in?
- A.Uracil instead of Thymine
- B.Thymine instead of Uracil
- C.No sugar
- D.Always double strand
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Answer: A. Uracil instead of Thymine
RNA has U, DNA has T.
Q5.Genetic code is?
- A.Triplet
- B.Doublet
- C.Singlet
- D.Quadruplet
Show answer
Answer: A. Triplet
3 nucleotides = 1 amino acid.
Frequently Asked Questions
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How long does it take to complete Molecular Biology Quiz?
Molecular Biology Quiz runs on a 1-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.
Are detailed solutions provided?
Yes. Every question on Molecular Biology Quiz ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.
Can I attempt Molecular Biology Quiz multiple times?
Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.
Which government exams does this quiz prepare me for?
Molecular Biology questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.