Practice question

MCQ

Question

Match the process involved in nitrogen or sulfur cycle in Group I with the corresponding microbe in Group II Group I Group II P. Denitrification 1. Azotobacter Q. Nitrogen fixation by free-living microbe 2. Beggiatoa R. Oxidation of H ₂ S to sulfur 3. Pseudomonas S. Nitrogen fixation by a symbiotic microbe 4. Rhizobium

Options

Choose one · Correct answer highlighted

P-2, Q-3, R-4, S-1 P-2, Q-1, R-3, S-4 P-3. Q-4, R-1, S-2 P-3, Q-1, R-2, S-4 Correct

Explanation

Mechanistically, microbial physiology involves growth regulation and phage life cycles follow molecular programs. This validates P-3, Q-1, R-2, S-4 because it corresponds to prokaryotic replication strategies, a pattern repeatedly demonstrated in microbiology research.

Share this question

Discussion

Comments

0 comments

Please log in to join the discussion.

No comments yet. Be the first to start the discussion.

Related blogs

Guides and insights connected to this topic

Biology XII Lab Manual 09 Oct 2026

Experiment 12: Study of Prepared Pedigree Charts of Genetic Traits ( Rolling of tongue, Blood groups, Widow's peak, and Colour blindness.)

AIM To study of prepared pedigree charts of genetic traits such as rolling of tongue, blood groups, widow's peak and colour blindness. PRINCIPLE Pedigree analysis is study of inheritance of traits through family history over generations. Standard symbols are used to represent mal...

Genetic 25 Sep 2026

Codominance - Definition, Symbolism, Examples in Animals, Humans and Plants, and Significance

Explore codominance, its genetic symbolism, and real examples in animals, humans, and plants, highlighting its importance for genetic diversity.

Class X Science 12 Sep 2026

Carbon and its Compounds Notes - Covalent Bond, Allotropes, Functional Groups, Ethanol, Ethanoic Acid and Soaps

Explore carbon’s covalent bonding, allotropes, functional groups, and examples like ethanol, ethanoic acid, and soaps. Includes basic properties and reactions.