Practice RRB Group D Environment 2025 PYQ questions with answers and explanations. This collection covers important Environment and Ecology questions asked in the RRB Group D 2025 examination, helping you revise key concepts, understand question patterns, and improve your accuracy for upcoming Railway exams. Exam Dates: August 3, 4, 5, 6, 9, 10, 11, 12, 13, 14, 17, 18, 19, 20, 21, and 25, 2026.
51
In a food web, herbivores are generally:
RRB Group D
12 Aug, 2026 (12:45 PM - 2:15 PM)
2026
52
In an ecosystem, what is the role played by decomposers?
RRB Group D
06 Aug, 2026 (12:45 PM - 2:15 PM)
2026
53
What is the main function of the ozone layer in the upper part of the atmosphere?
RRB Group D
11 Aug, 2026 (9:00 AM - 10:30 AM)
2026
54
A city observes increased waste generation due to lifestyle changes and disposable packaging. What is the most e
RRB Group D
19 Aug, 2026 (4:30 PM - 6:00 PM)
2026
55
Which of the following chemical compounds is mainly responsible for ozone depletion in the upper atmosphere?
RRB Group D
04 Aug, 2026 (9:00 AM - 10:30 AM)
2026
56
Which of the following environmental problems is related to the penetration of harmful UV rays into our atmosphere?
RRB Group D
10 Aug, 2026 (12:45 PM - 2:15 PM)
2026
57
Which of the following is NOT biodegradable?
RRB Group D
05 Aug, 2026 (4:30 PM - 6:00 PM)
2026
58
Why are non-biodegradable wastes considered more dangerous than biodegradable wastes?
RRB Group D
04 Aug, 2026 (4:30 PM - 6:00 PM)
2026
59
What is the main environmental concern associated with non-biodegradable waste?
RRB Group D
03 Aug, 2026 (4:30 PM - 6:00 PM)
2026
60
In a grassland food web, grass is eaten by rabbits and insects. Frogs eat insects, while foxes eat rabbits. If insect population declines sharply, which e
RRB Group D
11 Aug, 2026 (12:45 PM - 2:15 PM)
2026
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