Full Analysis & Solutions for the JK-SET Environmental Science Test (07 Sept 2025)

Are you an aspirant for the upcoming JKPSC (10+2) Level Exam? If so, you know that every bit of authentic practice is gold dust. The recently conducted JK-SET Examination for Environmental Science on 7th September 2025 is the perfect mirror to understand the expected pattern, difficulty level, and important topics for your JKPSC exam.

This post provides a comprehensive overview of that exam, complete with a detailed answer key. Solving this paper will not only test your current preparation but also fine-tune your strategy for the final sprint.

JK-SET Exam Paper 07.09.2025

20 Questions. 15 Minutes.
Complete Paper available on TES Academy App

1 / 20

1. Spatial resolution of IRS 1D LISS III image is:

A. 80 m

B. 1 m

C. 30 m

D. 23.5 m

2 / 20

2. Which one of the following is the largest nekton?

A. Copepod

B. Comb Jelly

C. Baleen Whale

D. Sowbug

3 / 20

3. Chemosynthetic sulphur bacteria form the food base in:

A. Estuaries

B. Coral reefs

C. Salt marshes

D. Hydrothermal vents

4 / 20

4. Trophic levels are formed by:

A. Only carnivores

B. Only plants

C. Food chain linked organisms

D. Only animals

5 / 20

5. The first man-made ecosystems are:

A. Water Tanks

B. Orchards

C. Villages

D. Agroecosystems

6 / 20

6. Simpson’s Index is a useful tool for measuring:

A. Species diversity

B. Soil quality

C. Air pollution

D. Water quality

7 / 20

7. Flood hydrograph is the expression of:

A. Flood duration

B. Flood level in an area

C. Time and discharge relationship of flood water

D. Graph of flood water

8 / 20

8. In India, avalanches are mainly reported from the hilly region of the:

A. Eastern Ghat

B. Western Ghat

C. Himalaya

D. Aravalli mountains

9 / 20

9. Which of the following has maximum penetration power?

A. Alpha particle

B. Alpha particle and Beta particle

C. Beta particle

D. Gamma rays

10 / 20

10. Spatial resolution of Landsat 1 TM sensor is for visible, near-infrared, and mid-infrared wavelengths:

A. 30 m

B. 23.5 m

C. 5 m

D. 0.61 m

11 / 20

11. Under ideal conditions, the COD:TOC ratio for sewage containing only organic matter is ______.

A. 0.375

B. 1.66

C. 2.66

D. 0.5

12 / 20

12. Match column I with column II and select correct answer using answer codes:

Correct Match for PQRS

A. 4123

B. 4132

C. 3412

D. 2341

13 / 20

13. Which kind of pyramid can never be inverted in any stable ecosystem?

A. Biomass, Energy and Number

B. Energy

C. Biomass

D. Number

14 / 20

14. Assertion (a): Temperature in stratosphere increases with increase in altitude
Reason (r): Photodissociation of O₂ in stratosphere makes the lapse rate positive

A. Both (a) and (r) are true, and (r) is the correct explanation of (a)

B. (a) is true and (r) is false

C. Both (a) and (r) are true, and (r) is not the correct explanation of (a)

D. (a) is false and (r) is true

15 / 20

15. Which one of the cities was declared cleanest in the Swachh Sarvekshan 2021?

A. Jammu

B. Jaipur

C. Dehradun

D. Indore

16 / 20

16. ENSO stands for:

A. El Niño Southern Ocean

B. El Niño Surface Oscillation

C. El Niño Surfing Organization

D. El Niño Southern Oscillation

17 / 20

17. Geosynchronous satellite means:

A. An orbital rotation similar to Sun

B. An orbital period same as the Earth’s rotation period

C. An orbital rotation similar to Moon

D. An orbital period is different from Earth’s rotation

18 / 20

18. Landslide is downslope movement of rock and soil mass under the influence of:

A. Water

B. Gravity

C. Soil

D. Slope

19 / 20

19. In an ecosystem, the flow of energy is:

A. Unidirectional

B. Cyclic

C. Bidirectional

D. Multidirectional

20 / 20

20. The single most significant factor to limit plant distribution and abundance is:

A. Humidity

B. Temperature

C. Light

D. Rainfall

Your score is

The average score is 72%

Click Here to complete analysis for this paper & Enroll in the JKPSC (10+2) Environmental Science Crash Course NOW!

Author

kanwar

Kanwar Bhan Godara UGC NET JRF Environmental Science
View all posts

Full Analysis & Solutions for the JK-SET Environmental Science Test (07 Sept 2025)

Click Here to complete analysis for this paper & Enroll in the JKPSC (10+2) Environmental Science Crash Course NOW!

Author

Comments

Leave a Reply Cancel reply