B.Sc. (Hons.) Zoology Semester 4 Previous Year Question Papers
All Semester 4 subjects for B.Sc. (Hons.) Zoology at Delhi University — 10 subjects, 110 previous year question papers from 2022–2026. Open any subject to view or download the original PDF papers by year.
Paper types this semester: DSC, DSE, GE.
This semester carries 4 discipline elective (DSE) subjects, 3 core (DSC) subjects and 3 generic elective (GE) subjects. Each subject below links to its own page with every available previous year paper — filter by year, then open or download the PDF directly.
Core papers (DSC)
Discipline electives (DSE)
Generic electives (GE)
Sample questions from B.Sc. (Hons.) Zoology Semester 4 papers
- Animal Behaviour (2026)
' Why are honeybees referred to as eusocial insects? Describe with a relevant diagram how do for aging honeybees communicate among theinselves about the food source when a good quality food is located beyond loo meters…
- Bioenergetics and Enzymology (2026)
Draw neat, well labelled diagrams and structures, wherever required.
- Cell Growth and Regulation (2026)
Explain how chromatin structure and nucleosome positioning influence transcription.
- Comparative Anatomy of Vertebrates (2026)
Write the short notes on any three of the following : (a) Membranous labyrinth
- Developmental Biology (2026)
Describe various types of placenta on a histological basis. 10
- Exploring the Animal world (2026)
Give a suitable diagram where applicable.
- Fish and Fisheries (2026)
Write short notes on any three of the following : (a) Inland fisheries 5+5+5
- Insect Vector and Disease (2026)
: B.Sc/ B.Com/B.A. Theory Examination, May-June, 2026 Draw well labelled diagram wherever necessary.
- Parasitology (2026)
Describe the life cycle and pathogenicity of the filarial worm in detail. Add a note on nocturnal periodicity shown by the microfilarae. (8+4+3-15)
Tools for Semester 4
Frequently asked questions
- Where can I find B.Sc. (Hons.) Zoology Semester 4 previous year question papers?
- This page lists all 10 Semester 4 subjects of B.Sc. (Hons.) Zoology with 110 question papers from 2022–2026. Open a subject to view or download the PDFs.
- How many subjects are in B.Sc. (Hons.) Zoology Semester 4?
- 10 subjects have question papers listed for B.Sc. (Hons.) Zoology Semester 4.