Rajasthan — RPSCEnvironmental Science Optional for RPSC ACF/FRO — Complete Guide 2026
Complete guide to Environmental Science Optional for RPSC ACF and FRO exams. 4 papers totalling 600 marks, interview 75 marks, 14 optional subjects. Rajasthan-specific strategy for desert ecology.
RPSC ACF/FRO — Exam Overview
The Rajasthan Public Service Commission (RPSC) conducts the ACF/FRO recruitment exam periodically. The 2026 notification is upcoming.
Key Exam Details
- Total Written Marks: 600 (4 papers)
- Interview: 75 marks
- Grand Total: 675 marks
- Age Limit: 18–40 years
- Application Fee: UR ₹350, OBC ₹250, SC/ST/Ex-servicemen ₹150
- Selection: Written Test + Personality/Viva-voce Examination
- Negative Marking: 1/3 mark deducted per wrong answer
14 Optional Subjects Available (Choose 2)
Candidates choose any 2 optional subjects from 14 available options. Environmental Science is optional #10. Each optional paper carries 200 marks.
Rajasthan's Environmental Context
- Thar Desert ecology — unique desert ecosystem with specialized flora and fauna
- Aravalli Range — one of the oldest mountain ranges, prevents desert spread eastward
- Ranthambore and Sariska Tiger Reserves — celebrated tiger conservation success
- Keoladeo Ghana National Park — UNESCO World Heritage Site, Ramsar wetland
- Desert National Park — Great Indian Bustard habitat
- Traditional water harvesting — johads, tankas as environmental solutions
Why Environmental Science Works for RPSC ACF/FRO
600+75 = 675 Marks Total
Written exam: 4 papers of 600 marks. Interview: 75 marks. Optional subjects carry 400/600 marks (67%) — making your optional choice the single most important exam decision.
Desert Ecology Niche
Rajasthan's Thar Desert ecosystem provides unique content — desert adaptation, desertification control, and arid zone ecology are high-value topics unavailable elsewhere.
Choose 2 from 14 Optionals
RPSC allows 2 optional subjects. Environmental Science pairs naturally with Forestry, Botany, or Zoology for comprehensive forest service preparation.
Tiger Conservation Case Studies
Ranthambore and Sariska are globally recognized tiger conservation stories — ready-made case studies for biodiversity answers.
Water Management Focus
Traditional water harvesting systems (johads, tankas, baoris) provide rich content for natural resource management topics.
UNESCO Heritage Content
Keoladeo Ghana (UNESCO), Desert National Park (Great Indian Bustard), and Ramsar sites provide authoritative conservation examples.
RPSC ACF/FRO Exam — Exam Pattern
RPSC ACF/FRO written exam has 4 papers totalling 600 marks. Paper I: GK (100), Paper II: English (100), Paper III: Optional I (200), Paper IV: Optional II (200). Interview carries 75 marks. Total: 675 marks. Negative marking: 1/3 mark deducted per wrong answer.
| Paper | Subject | Marks | Duration |
|---|---|---|---|
| Paper I | General Knowledge | 100 | — |
| Paper II | General English | 100 | — |
| Paper III | Optional Paper I (Environmental Science I) | 200 | — |
| Paper IV | Optional Paper II (Environmental Science II) | 200 | — |
| Interview | Personality & Viva-voce | 75 | — |
Environmental Science Syllabus — RPSC
Key topics you need to cover for your optional paper
Question Trends & Preparation Focus — RPSC
Understand the pattern to prioritize high-yield topics
Start Your RPSC ACF/FRO Preparation
Join LearnPro's Environmental Science Optional course — comprehensive study material, video lectures, and expert guidance for Rajasthan Forest Services.
Environmental Science Optional Resources
Environmental Science Optional for Other States
Frequently Asked Questions
Environmental Science Optional for RPSC ACF/FRO