Practice Test Sets (Total Questions: 100)

Topic Practice: Microbes in Human Welfare (Test - 2)

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About Microbes in Human Welfare MCQ - Test 2

Ace Microbes in Human Welfare for NEET UG with important chapter MCQs, applications in household, industry, sewage treatment, and bio-fertilizer notes. Test…

This Microbes in Human Welfare 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.

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Sample Microbes in Human Welfare Questions

Statement I: In Lac Operon, regulation by repressor protein is termed negative regulation. Statement II: Lac operon can also be regulated positively by Cyclic AMP (cAMP) and Catabolite Activator Protein (CAP). Which choice is correct?
- A. Both statements are true and II complements I
- B. Both statements are false
- C. Statement I is true, II is false
- D. Statement I is false, II is true
Read statements regarding Human Genome Project findings: 1. Less than $2\%$ of the human genome codes for proteins. 2. Repeated sequences make up a very large portion of the human genome. 3. Chromosome 1 has the most genes (2,968) and Y chromosome has the fewest genes (231). Which of the above statements are CORRECT?
- A. 1 and 2 only
- B. 2 and 3 only
- C. 1 and 3 only
- D. 1, 2 and 3
Consider statements regarding DNA Fingerprinting: Statement I: Allelic sequence variations in non-coding satellite DNA are inherited from parents to children. Statement II: Single Nucleotide Polymorphisms (SNPs) occur at high frequency in human population and form basis of DNA mapping. Which option is true?
- A. Both statements are correct
- B. Both statements are incorrect
- C. Statement I is correct, II is incorrect
- D. Statement I is incorrect, II is correct
Statement I: Ribozymes are RNA molecules with enzymatic catalytic activity. Statement II: Peptidyl transferase and RNase P are examples of ribozymes. Which choice is correct?
- A. Both statements are correct
- B. Both statements are incorrect
- C. Statement I is correct, II is incorrect
- D. Statement I is incorrect, II is correct
Identify the CORRECT match of Enzyme and its functional role in DNA replication:
- A. Helicase — Unwinds DNA double helix by breaking hydrogen bonds
- B. Primase — Synthesizes short RNA primers required for initiation
- C. Topoisomerase (Gyrase) — Relieves torsional strain ahead of replication fork
- D. All of the above

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This page has 50 questions in Test - 2 out of 100 total questions on Microbes in Human Welfare.

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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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