CUET PG PYQs for Bacteria, Archea, Virus, and their broad classification with Solutions: Practice CUET PG Previous Year Questions

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Bacteria, Archea, Virus, and their broad classification is an important topic in the Environmental Studies section in CUET PG exam. Practising this topic will increase your score overall and make your conceptual grip on CUET PG exam stronger.

This article gives you a full set of CUET PG PYQs for Bacteria, Archea, Virus, and their broad classification with explanations for effective preparation. Practice of CUET PG Environmental Studies PYQs including Bacteria, Archea, Virus, and their broad classification questions regularly will improve accuracy, speed, and confidence in the CUET PG 2026 exam.

CUET PG PYQs for Bacteria, Archea, Virus, and their broad classification with Solutions

1.
Bacterial artificial chromosomes (BAC) are capable of cloning fragments upto
- 500-750 kb
- 200-250 kb
- 50-150 kb
- 300-350 kb
View Solution
2.
Bacterial oxidation of pysite (FeS₂) results in an environmental concern called
- Methanogenesis
- Acetogenesis
- Sulfidogenesis
- Acid mine drainage
View Solution
3.
Arrange the following steps involved in phagocytosis of bacterium by a macrophage :
A. Phagosome fuses with lysosome
B. Bacterium is ingested, forming a phagosome
C. Bacterium is killed and then digested by lysosomal enzymes
D. Bacterium becomes attached to membrane evaginations called pseudopodia
Choose the correct answer from the options given below
- A, C, D, B
- D, B, A, C
- D, C, A, B
- B, C, A, D
View Solution
4.
Evolution of drug-resistant bacteria is an example of
- genetic drift
- natural selection
- bottleneck effect
- founder effect
View Solution
5.
Which of the following bacteria are involved in denitrification process ?
A. Nitrosomonas
B. Bacillus
C. Pseudomonas
D. Nitrobacter
Choose the correct answer from the options given below :
- A and B only
- A and C only
- C and D only
- B and C only
View Solution
6.
Arrange the following steps in E.coli translation sequentially.
(A) Elongation
(B) Release of polypeptide
(C) Initiation
(D) Folding of the polypeptide
(E) Termination
Choose the correct answer from the options given below
- (B), (C), (D), (A), (E)
- (A), (D), (E), (C), (B)
- (C), (A), (E), (B), (D)
- (A), (B), (C), (D), (E)
View Solution
7.
Moritella, a bacterium, lives at 10,000 m depth under pressure of 700 - 800 atm in the oceans. The bacterium is an example -
- Thermophile
- Mesophile
- Piezophile
- Xerophile
View Solution

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CUET PG PYQs for Bacteria, Archea, Virus, and their broad classification with Solutions

1.Bacterial artificial chromosomes (BAC) are capable of cloning fragments upto

2.Bacterial oxidation of pysite (FeS2) results in an environmental concern called

4.Evolution of drug-resistant bacteria is an example of

5.Which of the following bacteria are involved in denitrification process ?A. Nitrosomonas B. Bacillus C. Pseudomonas D. Nitrobacter Choose the correct answer from the options given below :

6.Arrange the following steps in E.coli translation sequentially. (A) Elongation (B) Release of polypeptide (C) Initiation (D) Folding of the polypeptide (E) Termination Choose the correct answer from the options given below

7.Moritella, a bacterium, lives at 10,000 m depth under pressure of 700 - 800 atm in the oceans. The bacterium is an example -

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1.
Bacterial artificial chromosomes (BAC) are capable of cloning fragments upto

2.
Bacterial oxidation of pysite (FeS₂) results in an environmental concern called

4.
Evolution of drug-resistant bacteria is an example of

5.
Which of the following bacteria are involved in denitrification process ?
A. Nitrosomonas
B. Bacillus
C. Pseudomonas
D. Nitrobacter
Choose the correct answer from the options given below :

6.
Arrange the following steps in E.coli translation sequentially.
(A) Elongation
(B) Release of polypeptide
(C) Initiation
(D) Folding of the polypeptide
(E) Termination
Choose the correct answer from the options given below

7.
Moritella, a bacterium, lives at 10,000 m depth under pressure of 700 - 800 atm in the oceans. The bacterium is an example -