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

Tamil Nadu Higher Secondary Second Year (HSE +2 / Class 12) 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 Second Year Agricultural Science 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 Agricultural Science (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 Agricultural Science Practice Questions

Try these sample questions to test your Tamil Nadu HSE Second 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.

1In India, the kharif cropping season is primarily associated with which rainfall pattern?
A.Southwest monsoon rains during the warm wet season
B.Northeast monsoon rains only in winter
C.Only artificial snowmelt irrigation
D.Polar frontal rains of temperate Europe
Explanation: Kharif crops are sown with the onset of the southwest monsoon (roughly June–July) and harvested in autumn; they depend mainly on monsoon rainfall.
2Which crop is a classic rabi cereal widely grown under cooler post-monsoon conditions in India?
A.Paddy (rice) as the sole rabi cereal everywhere
B.Wheat
C.Sugarcane only as a pure kharif annual
D.Coffee as a field cereal
Explanation: Wheat is the principal rabi cereal in India, sown after monsoon rains recede and grown through the cool season.
3The C:N ratio of a good quality farmyard manure (FYM) after proper composting is generally around:
A.About 200:1 like fresh wood chips
B.About 1:1 with pure nitrate salt
C.About 20:1 to 30:1
D.Infinite because manure has no carbon
Explanation: Well-rotted FYM typically has a moderate C:N ratio near 20–30:1, suitable for soil application without severe nitrogen immobilization.
4Which primary nutrient is most associated with promoting vegetative growth and is a major constituent of chlorophyll and amino acids?
A.Calcium as the only chlorophyll metal
B.Silicon as an essential macronutrient for all crops
C.Chlorine as the bulk structural nutrient
D.Nitrogen
Explanation: Nitrogen is required for amino acids, proteins, and chlorophyll; deficiency causes general chlorosis and stunted vegetative growth.
5Phosphorus in plants is especially critical for:
A.Energy transfer (ATP), root development, and early crop establishment
B.Only leaf green colour with no role in energy transfer
C.Replacing all water in the xylem
D.Eliminating the need for any other nutrient
Explanation: Phosphorus is central to ATP/ADP energy transfer, nucleic acids, and strong early root growth; deficiency often shows as purpling and poor establishment.
6Potassium in crops is best known for contributing to:
A.Being the metal centre of chlorophyll only
B.Osmoregulation, enzyme activation, disease tolerance, and quality of produce
C.Fixing atmospheric N2 in all cereals without microbes
D.Acting solely as a soil pH acidifier
Explanation: Potassium activates many enzymes, regulates stomata and turgor, and improves stress tolerance and produce quality.
7In rice cultivation, the System of Rice Intensification (SRI) emphasizes:
A.Broadcasting maximum seed rate with continuous deep flooding always
B.Never transplanting and abandoning all water control
C.Young single seedlings, wider spacing, intermittent irrigation, and organic matter with careful weeding
D.Using only pure sand culture without soil
Explanation: SRI practices typically include young single seedlings, wider spacing, alternate wetting and drying, and organic enrichment to improve root growth and efficiency.
8Which tillage practice leaves most crop residue on the surface and minimizes soil disturbance?
A.Deep mouldboard ploughing every week
B.Complete soil inversion to bury all residue always
C.Flooding fields to remove topsoil
D.Zero or conservation tillage / no-till
Explanation: Zero/conservation tillage minimizes mechanical disturbance and retains surface residue, reducing erosion and conserving moisture.
9The field capacity of a soil refers to:
A.The amount of water retained after excess free drainage following saturation
B.The permanent wilting point water content only
C.The water content when soil is completely dry oven-baked
D.Only the water vapour in air above the crop
Explanation: Field capacity is the soil moisture retained after gravity has drained excess water from a saturated soil, typically after 1–3 days of free drainage.
10Available water capacity for plants is conceptually the water held between:
A.Saturation and oven dryness only
B.Field capacity and permanent wilting point
C.Only hygroscopic water films unavailable to roots
D.Air-dry residue and pure ice
Explanation: Plant-available water is mainly the fraction between field capacity (upper) and permanent wilting point (lower).

About the Tamil Nadu HSE Second Year Agricultural Science Practice Questions

Verified exam format metadata for Tamil Nadu Higher Secondary Second Year (HSE +2 / Class 12) 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.