B.Sc. (Hons.) Botany Semester 3 Previous Year Question Papers
All Semester 3 subjects for B.Sc. (Hons.) Botany at Delhi University — 10 subjects, 76 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, DSE/GE, GE.
This semester carries 4 generic elective (GE) subjects, 3 core (DSC) subjects, 2 discipline elective (DSE) subjects and 1 DSE/GE subject. 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)
DSE/GE papers
Sample questions from B.Sc. (Hons.) Botany Semester 3 papers
- Environmental Biotechnology & Management (2025)
(ii) What is the nature of effluents in sugar industry? Explain the treatment schemes of waste water generated from this industry.
- Evolutionary Biology of Plants (2025)
Define the following (any five) : (1x) ")
- Genetics & Plant Breeding (2025)
Attempt four questions in all.
- Industrial and Environmental Microbiology (2026)
All parts of a question must be answered together. Draw well-labelled diagrams wherever necessary.
- Inheritance in Biology (2025)
(iii) Testicular feminization (iv) Petite mutations in Saccharomyces cerevisiae
- Plant Biotechnology (2026)
All parts of a question should be answered together. Ql.a) Fill in the blanks: 5 marks 1) Flavr savr Tomato was developed by ... biotechnology company.
- Plant Tissue Culture (2024)
What is protoplast? How we can isolate protoplast from the cell and check its viability? Briefly explain the complete process of protoplast culture and protoplast fusion. (15)
Tools for Semester 3
- SGPA CalculatorWork out this semester's SGPA from your marks
- Exam KitPlan revision across all 10 subjects this semester
- DU Semester 3 Exam Guide: Second-Year Preparation StrategyA targeted preparation guide for Delhi University second-year students facing Semester 3 exams — handling advanced DSCs, choosing DSEs, and managing increased difficulty.
Frequently asked questions
- Where can I find B.Sc. (Hons.) Botany Semester 3 previous year question papers?
- This page lists all 10 Semester 3 subjects of B.Sc. (Hons.) Botany with 76 question papers from 2022–2026. Open a subject to view or download the PDFs.
- How many subjects are in B.Sc. (Hons.) Botany Semester 3?
- 10 subjects have question papers listed for B.Sc. (Hons.) Botany Semester 3.