Example 1
The ozone layer protects Earth from
Answer: D) Ultraviolet radiation
Ozone absorbs most UV-B radiation.
Environment and Ecology questions for competitive exams: rules, worked examples and practice
Environment questions cover ecology, biodiversity, protected areas, pollution and international agreements.
Key rules and formulas
- Ramsar Convention: wetlands; CITES: trade in endangered species; Montreal Protocol: ozone-depleting substances.
- Kyoto Protocol set binding emission targets; the Paris Agreement aims to limit warming to well below 2 °C.
- Biomagnification: toxins concentrate up the food chain.
- Project Tiger began in 1973.
Common traps
- Matching the wrong convention to its subject.
- Confusing biomagnification with bioaccumulation.
Where Environment and Ecology is asked
- RRB Group D (General Awareness & Current Affairs)
- RRB NTPC CBT 1 (General Awareness)
- SSC CGL Tier 1 (General Awareness)
- SSC CGL Tier 2 (General Awareness)
- SSC CHSL Tier 1 (General Awareness)
- UPSC CSE GS 1 (Environment & Ecology)
Worked examples
Example 2
Kaziranga National Park is located in
Answer: C) Assam
It is famous for the one-horned rhinoceros.
Example 3
The Paris Agreement aims to limit global warming to
Answer: A) Well below 2 °C, pursuing 1.5 °C
Relative to pre-industrial levels.
More Environment and Ecology practice questions
- Which ecological pyramid is always upright?
- The Bonn Convention deals with
- CITES regulates
- The National Green Tribunal was established in
- The Montreal Protocol aims to phase out
- Biomagnification means
- Which of these gases has the highest global warming potential?
- The Kyoto Protocol set binding emission targets for
- The IUCN status of the Great Indian Bustard is
- The Ramsar Convention is related to the conservation of
- Project Tiger was launched in
- Eutrophication of a water body is mainly caused by
- How many of the world's biodiversity hotspots lie wholly or partly in India?
Frequently asked questions
What is Environment and Ecology in competitive exams?
Environment questions cover ecology, biodiversity, protected areas, pollution and international agreements.
Which exams ask Environment and Ecology questions?
On MockBazaar, Environment and Ecology questions appear in RRB Group D, RRB NTPC CBT 1, SSC CGL Tier 1, SSC CGL Tier 2, SSC CHSL Tier 1, UPSC CSE GS 1.
What is the most common mistake in Environment and Ecology?
Matching the wrong convention to its subject.