Free Practice Questions for Tamil Nadu HSE Second Year Botany
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Key Facts: Tamil Nadu HSE Second Year Botany Exam
10:00–1:15
Official March 2026 HSE+2 theory sitting window including reading/verification time (dge.tn.gov.in timetable)
DGE TN HSE+2 March 2026 public examination timetable
35/100
Minimum pass mark per subject under the HSE new pattern, subject to theory/practical floor rules
DGE HSE_E.pdf scheme of examination
3 hours
Approximate theory writing duration after reading and particulars verification in the public exam schedule
DGE TN HSE+2 March 2026 timetable
DGE TN
Administered by the Directorate of Government Examinations, Chennai, for Tamil Nadu State Board Higher Secondary
dge.tn.gov.in
SCERT syllabus
Class 12 textbooks and syllabus prescribed by SCERT / School Education Department (Samacheer Kalvi)
DGE HSE scheme — syllabus prescribed by SCERT/DSE
English MCQ bank
This practice set is an English-language MCQ study adaptation, not the official mixed written paper
OpenExamPrep practice-content policy
₹150/₹200
School exam fee band for groups without/with practical subjects plus certificate/service charges (concessions apply)
DGE HSE_E.pdf school candidate fee table
March 2026
HSE Second Year public theory examinations scheduled 2–26 March 2026 with practicals 9–14 February 2026
DGE TN official timetable PDF 04.11.2025
Free English MCQ practice for Tamil Nadu HSE +2 Botany (DGE). Official paper is mixed written theory on the Samacheer Kalvi Class 12 syllabus — this bank is a study adaptation, not a format simulation.
Sample Tamil Nadu HSE Second Year Botany Practice Questions
Try these sample questions to review concepts for the Tamil Nadu HSE Second Year Botany exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1In C3 plants, the primary CO2 acceptor in the Calvin cycle is:
2The light-dependent reactions of photosynthesis occur in the:
3Which pigment is the reaction-centre chlorophyll of Photosystem II in higher plants?
4During non-cyclic photophosphorylation, the final electron acceptor is:
5The first stable product of CO2 fixation in C4 plants (Hatch-Slack pathway) is a:
6Kranz anatomy is a characteristic feature of:
7Photorespiration is favoured when the relative concentration of O2 is high and CO2 is low because Rubisco then acts as an:
8Which of the following correctly pairs a C4 plant with a C3 plant?
9In aerobic respiration, glycolysis occurs in the:
10The number of ATP molecules theoretically generated from complete aerobic oxidation of one glucose molecule in plants (standard textbook yield often taught) is approximately:
About the Tamil Nadu HSE Second Year Botany Exam
Tamil Nadu HSE Second Year Botany is the Class 12 public examination subject paper in Botany under DGE Tamil Nadu. It assesses SCERT/Samacheer Kalvi Class 12 learning outcomes for this subject. Official assessment is a mixed written theory paper (with practical and internal components where applicable) totaling 100 marks per subject. Bio-Botany paper with practical; multi-medium QPs for major science subjects. Use this free English MCQ bank to build concept fluency before the March public exams.
Exam sponsor: Directorate of Government Examinations (DGE), Tamil Nadu. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Assessment
Official Tamil Nadu HSE Second Year (+2) public examination paper in Botany, administered by DGE Tamil Nadu. March 2026 theory window: 02.03.2026–26.03.2026; practical window for +2: 09.02.2026–14.02.2026 (official timetable). Each theory sitting runs 10:00 a.m.–1:15 p.m. including question-paper reading and particulars verification (about 3 hours writing after reading). For subjects with practical: theory is commonly assessed out of 70 marks (minimum 15 in theory) with practical attendance required, internal assessment contributing to the 100-mark subject total. Official assessment is mixed written format (short/long/structured items per the year's blueprint), not pure MCQ. Bio-Botany paper with practical; multi-medium QPs for major science subjects. Syllabus and textbooks are prescribed by SCERT / Director of School Education (Samacheer Kalvi Class 12). This site's bank is an English-language multiple-choice study adaptation for concept fluency — not an official translation, format simulation, or substitute for writing, practical, project, or oral evidence.
Time Limit
Official theory sitting 10:00 a.m.–1:15 p.m. (about 3 hours writing after reading/verification) per March 2026 DGE timetable
Passing Score
Minimum 35 out of 100 per subject overall under the new 600-mark HSE pattern (HSE_E.pdf), with additional floors: theory minimum 15/70 and must appear for practical for practical-bearing subjects. Confirm the current DGE result rules for your candidate category.
Exam / Certification Fees
School candidates: DGE HSE scheme lists examination fee ₹200 for groups with practical subjects, plus Mark Certificate ₹20 and Service Charges ₹5 (Tamil-medium candidates and notified concession categories are often fee-exempt). Private (H) candidates: per-subject fees as notified (scheme text commonly cites subject + registration/mark/service components). Confirm current-session circulars on dge.tn.gov.in — fee tables can be updated by notification.
Exam sponsor websiteFees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Our practice resources: topics covered
We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.
Plant Physiology
Photosynthesis, respiration, plant growth regulators, and transport.
Reproduction and Genetics
Sexual reproduction in flowering plants, principles of inheritance, and molecular basis of inheritance.
Biotechnology and Strategies
Biotechnology principles, applications, and strategies for enhancement in food production.
Ecology and Environment
Organisms and populations, ecosystems, biodiversity, and environmental issues.
Preparing for the Tamil Nadu HSE Second Year Botany Exam
What You Need to Know
- Passing score: Minimum 35 out of 100 per subject overall under the new 600-mark HSE pattern (HSE_E.pdf), with additional floors: theory minimum 15/70 and must appear for practical for practical-bearing subjects. Confirm the current DGE result rules for your candidate category.
- Assessment: Official Tamil Nadu HSE Second Year (+2) public examination paper in Botany, administered by DGE Tamil Nadu. March 2026 theory window: 02.03.2026–26.03.2026; practical window for +2: 09.02.2026–14.02.2026 (official timetable). Each theory sitting runs 10:00 a.m.–1:15 p.m. including question-paper reading and particulars verification (about 3 hours writing after reading). For subjects with practical: theory is commonly assessed out of 70 marks (minimum 15 in theory) with practical attendance required, internal assessment contributing to the 100-mark subject total. Official assessment is mixed written format (short/long/structured items per the year's blueprint), not pure MCQ. Bio-Botany paper with practical; multi-medium QPs for major science subjects. Syllabus and textbooks are prescribed by SCERT / Director of School Education (Samacheer Kalvi Class 12). This site's bank is an English-language multiple-choice study adaptation for concept fluency — not an official translation, format simulation, or substitute for writing, practical, project, or oral evidence.
- Time limit: Official theory sitting 10:00 a.m.–1:15 p.m. (about 3 hours writing after reading/verification) per March 2026 DGE timetable
- Exam / certification fees: School candidates: DGE HSE scheme lists examination fee ₹200 for groups with practical subjects, plus Mark Certificate ₹20 and Service Charges ₹5 (Tamil-medium candidates and notified concession categories are often fee-exempt). Private (H) candidates: per-subject fees as notified (scheme text commonly cites subject + registration/mark/service components). Confirm current-session circulars on dge.tn.gov.in — fee tables can be updated by notification. Official sources
Using Our Practice Resources
- Work through all 100 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
Tamil Nadu HSE Second Year Botany: Suggested Study Strategy
Frequently Asked Questions
What is the Tamil Nadu HSE Second Year Botany exam?
It is the official Class 12 (Higher Secondary Second Year / +2) public examination paper in Botany, conducted by the Directorate of Government Examinations (DGE), Tamil Nadu, under the State Board / Samacheer Kalvi syllabus.
How long is the official theory paper?
The March 2026 timetable schedules each theory sitting from 10:00 a.m. to 1:15 p.m., including question-paper reading and candidate particulars verification before the main writing period.
What is the passing score?
Minimum 35 out of 100 per subject overall under the new 600-mark HSE pattern (HSE_E.pdf), with additional floors: theory minimum 15/70 and must appear for practical for practical-bearing subjects. Confirm the current DGE result rules for your candidate category.
Is this practice bank the same format as the official paper?
No. Official papers use mixed written formats (and practicals where applicable). These 100 questions are an English-language multiple-choice study adaptation for knowledge and judgment practice only.
Where can I find the official timetable and scheme?
Download the public examination timetable and HSE scheme documents from the Directorate of Government Examinations website (dge.tn.gov.in), including the March 2026 HSE+2 timetable PDF.