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100+ Free Tamil Nadu HSE First Year Agricultural Science Practice Questions

Tamil Nadu Higher Secondary First Year (HSE +1 / Class 11) Agricultural Science under the Directorate of Government Examinations (DGE), Tamil Nadu practice questions are available now; exam metadata is being verified.

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2026 Statistics

Key Facts: Tamil Nadu HSE First Year Agricultural Science Exam

10:00–1:15

Official March 2026 HSE theory sitting window including reading/verification time (dge.tn.gov.in timetable)

DGE TN HSE 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 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 11 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

Arrear 2026

March 2026 HSE+1 public theory examinations notified for eligible 2018–2025 arrear candidates on the official DGE timetable

DGE TN official timetable PDF 04.11.2025

Free English MCQ practice for Tamil Nadu HSE +1 Agricultural Science (DGE). Official paper is mixed written theory on the Samacheer Kalvi Class 11 syllabus — March 2026 sitting is for arrear candidates (2018–2025) only; this bank is a study adaptation, not a format simulation.

Sample Tamil Nadu HSE First Year Agricultural Science Practice Questions

Try these sample questions to test your Tamil Nadu HSE First Year Agricultural Science exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which of the following is the uppermost weathered layer of the earth’s crust that supports plant growth?
A.Bedrock only
B.Soil
C.Magma
D.Atmosphere
Explanation: Soil is the loose, weathered surface material containing minerals, organic matter, water, and air that supports plant roots.
2The five major factors of soil formation classically include parent material, climate, organisms, topography, and:
A.Only fertilizer brand
B.Time
C.Moon phase only
D.Seed colour
Explanation: Jenny’s factors of soil formation are parent material, climate, biota (organisms), topography (relief), and time.
3Soil texture is primarily determined by the relative proportions of:
A.Sand, silt, and clay
B.Only earthworms
C.Only crop residues
D.Only irrigation pipes
Explanation: Texture is the relative percentage of sand, silt, and clay separates; it strongly affects water holding, drainage, and workability.
4Which soil separate has the largest particle size among sand, silt, and clay?
A.Clay
B.Silt
C.Sand
D.Humus (as a mineral separate)
Explanation: Sand particles are largest (0.02–2 mm in common agronomic classes), then silt, then clay (<0.002 mm).
5A soil with roughly equal influence of sand, silt, and clay and good agricultural properties is commonly called a:
A.Pure gravel desert only
B.Loam
C.Solid granite
D.Pure peat only
Explanation: Loam soils have a balanced mix of sand, silt, and clay and are often preferred for general crop production.
6Soil structure refers mainly to:
A.The arrangement of soil particles into aggregates
B.Only the brand of tractor used
C.Only the colour of the sky
D.Only seed germination percentage
Explanation: Structure describes how primary particles are grouped into peds/aggregates (crumb, blocky, platy, etc.), affecting pores and root growth.
7Which soil horizon is typically the topsoil rich in organic matter (A horizon concept)?
A.Deep unweathered bedrock only
B.Surface mineral horizon mixed with organic matter (A horizon)
C.Only pure C horizon parent material
D.Only the atmosphere above the field
Explanation: The A horizon is the surface mineral soil often darkened by organic matter and is commonly called topsoil.
8Soil pH is a measure of which soil chemical property that affects nutrient availability?
A.Only soil colour darkness
B.Hydrogen ion activity (acidity/alkalinity) of the soil solution
C.Only wind speed
D.Only seed size
Explanation: pH = −log[H+]; soils below 7 are acidic, 7 neutral, and above 7 alkaline, affecting nutrient availability.
9Most field crops grow best in soils that are approximately:
A.Extremely alkaline only (pH 11–12)
B.Near-neutral to slightly acidic or slightly alkaline (commonly about pH 6–7.5)
C.pH 0 like strong acid
D.pH 14 like strong alkali
Explanation: A near-neutral range (often ~6–7.5) favours availability of many nutrients and biological activity for common crops.
10Liming of acid soils is done primarily to:
A.Raise soil pH and reduce aluminium/manganese toxicity while improving Ca/Mg supply
B.Always make soil more acidic
C.Replace all irrigation water with pure acid
D.Eliminate the need for any plant nutrients
Explanation: Agricultural lime (CaCO3 and related materials) neutralizes acidity, raises pH, and supplies calcium (and magnesium if dolomitic).

About the Tamil Nadu HSE First Year Agricultural Science Practice Questions

Verified exam format metadata for Tamil Nadu Higher Secondary First Year (HSE +1 / Class 11) Agricultural Science under the Directorate of Government Examinations (DGE), Tamil Nadu is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.