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Part 1 — Marine Biology MCQs (Q1–Q25) Q1. The deepest part of the world’s oceans is: A. Tonga Trench • Deep but not the deepest. B. Mariana Trench ✅ • Challenger Deep in Mariana Trench reaches ~11,000 m. C. Java Trench • Also deep, but shallower. D. Puerto Rico Trench …

Part 1 — Entomology MCQs (Q1–Q25) Q1. Insects belong to which phylum? A. Arthropoda ✅ • Insects are arthropods with jointed appendages and an exoskeleton. B. Mollusca • Soft-bodied, non-jointed; includes snails, not insects. C. Annelida • Segmented worms; lack jointed legs. D. Chordata • Vertebrates and relatives; insects are …

Part 1 — Ornithology MCQs (Q1–Q25) Q1. Birds belong to which class of vertebrates? A. Reptilia • Birds evolved from reptiles but are not classified here. B. Aves ✅ • Birds are placed in class Aves. C. Mammalia • Warm-blooded but not mammals. D. Amphibia • Cold-blooded, not birds. Q2. …

Part 1 — Herpetology MCQs (Q1–Q25) Q1. The branch of zoology that studies amphibians and reptiles is called: A. Ichthyology • Study of fishes. B. Ornithology • Study of birds. C. Herpetology ✅ • Deals with amphibians (frogs, salamanders) and reptiles (snakes, lizards, turtles, crocodiles). D. Entomology • Study of …

Part 1 — Ichthyology MCQs (Q1–Q25) Q1. Ichthyology is the study of:A. Amphibians• That’s herpetology (amphibian part).B. Fishes ✅• Ichthys = fish; ology = study.C. Reptiles• Herpetology.D. Marine mammals• Marine mammalogy, not ichthyology. Q2. Most fishes respire primarily using:A. Lungs• Only some (lungfish) have lungs.B. Skin• Minor role in most …

Mycology (Study of Fungi) MCQs. Format: Question → 4 options → correct answer marked with ✅ → brief explanation under every option. Difficulty spans CBSE/ICSE & NEET/CUET to CSIR-NET/GATE/DBT-BET and international exams (GRE/BMAT/IMAT; medical overlap for USMLE/PLAB/AMC). Part 1 — Mycology MCQs (Q1–Q25) Q1. Mycology is the study of: A. …

Parasitology (Study of Parasites) MCQs. Format: Question → 4 options → correct answer marked with ✅ → brief explanation under every option. Difficulty spans CBSE/ICSE & NEET/CUET to CSIR-NET/GATE/DBT-BET and international exams (USMLE/PLAB/AMC; GRE/BMAT/IMAT). Part 1 — Parasitology MCQs (Q1–Q25) Q1. Parasitology primarily deals with the study of: A. Bacteria …

Virology – Study of Viruses MCQs These are structured for school boards (CBSE/ICSE), national entrance tests (NEET, CUET, CSIR-NET, GATE, DBT-BET JRF), medical licensing (USMLE, PLAB, AMC), and international exams (SAT Bio, GRE Bio, BMAT, IMAT). Part 1 — Virology MCQs (Q1–Q25) Q1. Virology is the study of: A. Bacteria …

Agricultural Biology MCQs. This set focuses on crop physiology, plant breeding, soil science, agricultural biotechnology, and ecological principles. Format = Question → 4 options → ✅ correct answer → brief explanation for each option. Part 1 — Agricultural Biology MCQs (Q1–Q25) Q1. Agricultural biology primarily deals with: A. Human diseases …

Medical Biology MCQs. This set blends human anatomy, physiology, pathology, microbiology, immunology, genetics, and applied medicine — aligned with CBSE/ICSE, NEET/CUET, CSIR-NET, GATE, DBT-BET JRF, USMLE, PLAB, AMC, SAT Bio, GRE Bio, BMAT, IMAT. Part 1 — Medical Biology MCQs (Q1–Q25) Q1. Medical biology is the study of: A. Plants …

Pharmacology MCQs — Part 1 (Q1–Q25) Q1. The fraction of an administered dose that reaches the systemic circulation unchanged is called: A. Clearance B. Bioavailability ✅ C. Volume of distribution D. Half-life A: Clearance is the volume of plasma cleared of drug per unit time, not the fraction absorbed. B: …

Forensic Biology MCQs — Part 1 (Q1–Q25) Q1. The gold-standard DNA markers used in human identification are: A. SNPs B. STRs (Short Tandem Repeats) ✅ C. RAPDs D. Minisatellites A: SNPs are useful for ancestry/phenotyping but have lower power per locus for identity than STR panels. B: STRs are highly …

Environmental Biology MCQs — Part 1 (Q1–Q25) Q1. The smallest unit of ecological organization that includes both organisms and the physical environment is the: A. Population B. Community C. Ecosystem ✅ D. Biome A: A group of individuals of one species only; abiotic factors not included. B: Multiple species together …

Genomics MCQs — Part 1 (Q1–Q25) Q1. Genomics is the study of: A. A single gene only B. Proteins expressed in a cell C. The complete set of genes and their functions ✅ D. DNA mutations alone A: One gene = genetics, not genomics. B: Proteins = proteomics. C: Genomics …

Proteomics MCQs — Part 1 (Q1–Q25) Q1. Proteomics primarily studies: A. DNA sequence variations B. RNA expression profiles C. The entire set of proteins and their dynamics in a system ✅ D. Metabolic pathways only A: DNA = genomics. B: RNA = transcriptomics. C: Proteomics focuses on identity, abundance, PTMs, …

Bioinformatics MCQs — Part 1 (Q1–Q25) Q1. Bioinformatics is best defined as: A. The study of living organisms B. Analysis of chemical reactions in cells C. Application of computational tools to manage and analyze biological data ✅ D. Study of anatomy and physiology A/D: Too general. B: Biochemistry, not bioinformatics. …

Astrobiology MCQs set for students preparing for school boards (CBSE, ICSE), national entrance exams (NEET, CUET, CSIR-NET, GATE, DBT-BET JRF, etc.), medical licensing exams (USMLE, PLAB, AMC), and international exams (SAT Biology Subject Test, GRE Biology Subject Test, BMAT, IMAT). Astrobiology MCQs — Part 1 (Q1–Q25) Q1. Astrobiology is the …

Synthetic Biology MCQs helpful for CBSE/ICSE school board students, NEET, CUET, CSIR-NET, GATE, DBT-BET JRF aspirants, as well as medical licensing and international exam candidates (USMLE, PLAB, AMC, SAT Biology, GRE Biology, BMAT, IMAT). Synthetic Biology MCQs — Part 1 (Q1–Q25) Q1. Synthetic biology primarily involves: A. Sequencing DNA B. …