Zoology IFS Paper 2 UPSC 2024 with Solutions

Zoology Optional UPSC Forest Service Paper 2 2024

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SECTION-A

Zoology 1(a) Differentiate between inner and outer mitochondrial membrane. (IFS 2024/8 Marks)

Zoology 1(b) Write about RFLP and AFLP. (IFS 2024/8 Marks)

Zoology 1(c) Briefly discuss the role of natural selection in industrial melanism. (IFS 2024/8 Marks)

Zoology 1(d) Explain different steps in the activation of receptor protein tyrosine kinase with diagrams. (IFS 2024/8 Marks)

Zoology 1(e) Write a note on various rules of nomenclature in animal system. (IFS 2024/8 Marks)

Zoology 2(a) What are lysosomal enzymes? Explain their origin, structure and functions. (IFS 2024/8 Marks)

Zoology 2(b) Explain Mendel's law of inheritance and its significance. (IFS 2024/8 Marks)

Zoology 2(c) Give a brief account of evolution of man in Pleistocene period. (IFS 2024/8 Marks)

Zoology 3(a) Describe the phenomenon of linkage with example. Why is linkage an exception to Mendel's law of segregation? (IFS 2024/8 Marks)

Zoology 3(b) What is fossil? Explain different types of fossils and their significance. (IFS 2024/8 Marks)

Zoology 3(c) Describe semiconservative replication of DNA with experimental evidences. (IFS 2024/8 Marks)

Zoology 4(a) What is variation? Give an account of different kinds of variations and its importance in organic evolution. (IFS 2024/15 Marks)

Zoology 4(b) What is mitotic apparatus? Describe its structure and its role during cell division. (IFS 2024/15 Marks)

Zoology 4(c) How does the regulation of gene expression occur in eukaryotes? (IFS 2024/10 Marks)

SECTION-B

Zoology 5(a) Define the primary structure of proteins and its application in biological studies. (IFS 2024/8 Marks)

Zoology 5(b) Explain the role of hormones in digestion. (IFS 2024/8 Marks)

Zoology 5(c) What is cyclic AMP? Describe the structure of cyclic AMP and mention its biochemical role. (IFS 2024/8 Marks)

Zoology 5(d) What is thermoregulation? How do homeothermic animals sustain by maintaining their body temperature in harsh climatic condition? (IFS 2024/8 Marks)

Zoology 5(e) Write briefly the mechanism of embryo transfer in animals and its application. (IFS 2024/8 Marks)

Zoology 6(a) What is bioenergetics? Explain its role in the catabolic processes of glycolysis and TCA cycle. (IFS 2024/15 Marks)

Zoology 6(b) What is morphogenesis? Explain the mechanism of changes in the shape of cells during morphogenesis. (IFS 2024/15 Marks)

Zoology 6(c) With suitable diagrams, explain the mechanism of transmission of nerve impulse in a neuron. (IFS 2024/10 Marks)

Zoology 7(a) How does glucagon regulate the glycogen metabolism? (IFS 2024/15 Marks)

Zoology 7(b) Write a note on different types of placenta in mammals. Explain the role of hCG in human being. (IFS 2024/15 Marks)

Zoology 7(c) Using R groups properties, classify amino acids. (IFS 2024/10 Marks)

Zoology 8(a) Describe the structure and functions of antibody isotypes with diagrams. (IFS 2024/15 Marks)

Zoology 8(b) Write an account on various types of muscles and their functions. (IFS 2024/15 Marks)

Zoology 8(c) What is regeneration? Describe regenerative ability in hydra, planaria and urodele amphibians. (IFS 2024/10 Marks)