1. Animal Kingdom & Invertebrate Zoology Porifera, Coelenterata, Echinodermata, Mollusca, Annelida, Insects — Questions 4, 5, 47, 59, 80, 81, 82, 97, 98, 99 Count: ~10 questions
2. Parasitology & Infectious Diseases Plasmodium, Fasciola, Wuchereria, Entamoeba, haemozoin — Questions 3, 6, 7, 78 Count: ~4 questions
3. Ecology & Environmental Biology Population growth, biodiversity indices, ecotone, succession, biosphere reserves, forests — Questions 8, 9, 10, 79, 83, 84, 90, 95, 96 Count: ~9 questions
4. Biochemistry Lipids, proteins, enzymes, carbohydrates, metabolic pathways — Questions 11, 12, 13, 14, 15, 16, 53, 54, 55, 56, 62 Count: ~11 questions
5. Cell Biology & Molecular Biology Cell organelles, cell cycle, DNA replication, transcription, translation, gene expression — Questions 21, 22, 25, 26, 27, 28, 29, 30, 31, 60, 61, 63, 77 Count: ~13 questions
6. Genetics Haemophilia, linkage, sex determination, crossing over, meiosis, chromosome aberrations, Hardy-Weinberg, extra-nuclear inheritance — Questions 1, 32, 33, 34, 35, 42, 64, 65, 88, 100 Count: ~10 questions
7. Physiology (Human & Animal) Digestion, respiration, excretion, blood, hearing, vision, nerve control, muscle — Questions 17, 18, 19, 20, 48, 53, 57, 67, 72, 73, 74, 75, 76, 85, 87, 91, 92, 93, 94 Count: ~19 questions
8. Reproductive Biology & Embryology Corpus luteum, spermatogenesis, cleavage, gastrulation, extra-embryonic membranes, acrosome — Questions 2, 36, 37, 38, 39, 49, 68, 69, 70, 75, 86 Count: ~11 questions
9. Evolution Miller-Urey, Hardy-Weinberg, human evolution, allopatric speciation, adaptive radiation, fossil record — Questions 40, 41, 42, 43, 44, 84, 89, 95 Count: ~8 questions
10. Vertebrate Zoology Aves, frog, vertebrate characteristics, true fish — Questions 50, 51, 52, 58, 66, 67, 80, 99 Count: ~8 questions
11. Microbiology Mycoplasma, prions, mad cow disease — Questions 23, 24 Count: ~2 questions
Summary Table
| Topic | No. of Questions |
|---|---|
| Physiology (Human & Animal) | 19 |
| Cell Biology & Molecular Biology | 13 |
| Biochemistry | 11 |
| Reproductive Biology & Embryology | 11 |
| Animal Kingdom & Invertebrate Zoology | 10 |
| Genetics | 10 |
| Ecology & Environmental Biology | 9 |
| Evolution | 8 |
| Vertebrate Zoology | 8 |
| Parasitology & Infectious Diseases | 4 |
| Microbiology | 2 |
| Total | ~100 |
Physiology dominates at ~19%, followed by Cell/Molecular Biology, Biochemistry, and Embryology. The paper has broad and fairly uniform coverage across classical zoology topics with a noticeable applied-biology orientation suited to a Soil Conservation Ranger role.

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