B.Sc. (Hons) Biological Sciences Previous Year Question Papers
25 previous year question papers for B.Sc. (Hons) Biological Sciences at Delhi University, covering 13 subjects across semesters I, II, III, IV, V, VI. Each subject page lists the available exam years with links to the original PDF question papers.
Paper types available: DSC, DSE.
Subjects
- Animal Physiology3 papers
- Basic concepts of Biomolecules2 papers
- Chemical Energetics, Ionic Equilibria and Nanomaterials1 paper
- Developmental Biology2 papers
- Diversity in Life forms I2 papers
- Diversity of Life Forms-II2 papers
- Ethology1 paper
- Growth and Reproduction1 paper
- Metabolism and Integration3 papers
- Pharmacology and Toxicology2 papers
- Photobiology3 papers
- Physics for Biologists1 paper
- Plant Physiology2 papers
Sample questions from recent B.Sc. (Hons) Biological Sciences papers
- Animal Physiology (2026)
Give reasons for the following: (1.5x2=3) i. Fishes living in freshwater secrete diluted urine.
- Metabolism and Integration (2026)
I. A. Justify th`efoll,`owing statements. (any 5) i. ii. Ammonia is toxic to cells. Glycine is an inportant precursor for.de novo synthesis ofpurines.
- Photobiology (2025)
Name of the. Paper : Photobiology This paper contains six questions. Answer any foz4r questions`.
- Basic concepts of Biomolecules (2025)
Attempt four questions in all. 1, i) Discuss the structure, classification, and properties of common fatty acids.
- Developmental Biology (2026)
Explain the process of gastrulation and discuss the various morphogenetic movements associated with it, giving specific examples from different animals. 7
- Diversity in Life forms I (2024)
Instructions to Candidates : This paper contains 6 questions. Answer only four questions. : "
- Diversity of Life Forms-II (2025)
Attempt four questions in all. Draw well labelled diagram wherever possible.
- Pharmacology and Toxicology (2026)
Differentiate between i. Affinity and Avidity ii. Agonist and antagonists iii. Loop diuretics and thiazides iv. Pharmacokinetics and pharmacodynamics.
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Frequently asked questions
- Where can I get B.Sc. (Hons) Biological Sciences previous year question papers?
- This page has 25 B.Sc. (Hons) Biological Sciences question papers across 13 subjects at Delhi University. Pick a subject to view or download the original PDFs, organised by exam year.
- Are the B.Sc. (Hons) Biological Sciences question papers free?
- Yes. Every paper is free to view and download, with no login. Each links to the original PDF.
- Which B.Sc. (Hons) Biological Sciences semesters are covered?
- Papers are available for Semester I, II, III, IV, V, VI.
- Can I find core, elective and skill papers for B.Sc. (Hons) Biological Sciences?
- Yes. Papers are tagged by type (DSC, DSE), so you can find the core, elective, skill and value-added papers for your semester.
Looking for a different course? Browse all DU previous year papers.
