Environment & Ecology Previous Year Questions 2026 | SSC MTS

Environment & Ecology - MOST IMPORTANT SSC MTS Previous Year Questions

Practice real questions from previous year exams of SSC MTS.

📘 Global Conservation Efforts📚 Convention on International Trade in Endangered Species of Wild Flora and Fauna (CITES), 1973
Q1

The Wild Life (Protection) Amendment Act, 2022 seeks to implement the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES). Which of the following statements regarding CITES is correct?

  1. CITES is an agreement between governments ensuring international trade in specimens of wild animals and plants does not threaten their survival.
  2. Under CITES, plant and animal specimens are classified into five categories based on threat of extinction.
  3. Under the Convention, countries must regulate trade in all listed specimens through permits.
  4. It also attempts to regulate the ownership of specimens of living organisms.
🎯 SSC MTS 01/09/2023 (Shift-III)
📘 In Situ Conservation – Protected Areas📚 National Parks
Q2

Kaziranga National Park is located in which state of India?

🎯 SSC MTS 08/09/2023 (Shift-II)
📘 Types of Ecosystems - Marine Ecosystem📚 Marine Organisms - Plankton, Phytoplankton, Zooplankton
Q3

Which are the microscopic, single-celled photosynthetic organisms known as the primary producers of the sea – the organisms that form the base of aquatic food chains?

🎯 SSC MTS 06/09/2023 (Shift-II)
📘 Basics of Environment & Ecology📚 Definitions - Environment, Ecology
Q4

Who among the following scientists coined the term Ecosystem?

🎯 SSC MTS 26/07/2022 (Shift-I)
📘 Ecosystem - Structure & Components📚 Abiotic Components of Ecosystem
Q5

_________ includes all non-living components such as air, cloud, dust, land, mountains, rivers, temperature, humidity, water, water vapor, sand etc.

🎯 SSC MTS 06/07/2022 (Shift-I)
📘 Types of Ecosystems - Human-Modified Ecosystem📚 Important Facts
Q6

Which of the following is an example of an artificial ecosystem?

🎯 SSC MTS 05/07/2022 (Shift-I)
📘 Ecosystem - Structure & Components📚 Biotic Components of Ecosystem
Q7

Which of the following is a biotic component of ecology?

🎯 SSC MTS 20/07/2022 (Shift-II)
📘 Ecosystem - Structure & Components📚 Abiotic Components of Ecosystem
Q8

Which of the following is not an example of an abiotic component of the ecosystem?

🎯 SSC MTS 18/07/2022 (Shift-II)
📘 Types of Ecosystems - Human-Modified Ecosystem📚 Important Facts
Q9

Which of the following can be classified as an artificial ecosystem?

🎯 SSC MTS 14/10/2021 (Shift-I)
📘 Ecological Adaptations📚 Misc
Q10

The famine caused by the infestation of rats during the flowering of Melocanna baccifera bamboo in some parts of North East India is known as ........ famine.

🎯 SSC MTS 14/10/2021 (Shift-I)
📘 Ecosystem - Structure & Components📚 Biotic Components of Ecosystem
Q11

Which of the following is a biotic component of the ecosystem?

🎯 SSC MTS 27/10/2021 (Shift-II)
📘 Basics of Environment & Ecology📚 Misc
Q12

The minimum temperature of the day usually occurs ______.

🎯 SSC MTS 07/07/2022 (Shift-III)
📘 Ozone Depletion📚 Definition & General Facts
Q13

Which of the following gases protects the earth's surface from incoming ultraviolet (UV) radiation from the sun?

🎯 SSC MTS 14/07/2022 (Shift-I)
📘 Basics of Environment & Ecology📚 Definitions - Environment, Ecology
Q14

________ indicates the sphere of living organisms and their interaction with the environment.

🎯 SSC MTS 05/07/2022 (Shift-II)
📘 Climate Change - Major Climate-Relevant Gases & Compounds📚 Misc
Q15

Which of the following is not a greenhouse gas?

🎯 SSC MTS 25/07/2022 (Shift-II)
📘 Ecosystem - Structure & Components📚 Definition and General Facts
Q16

Which of the following statements is false regarding forests?

🎯 SSC MTS 06/10/2021 (Shift-II)
📘 Mangroves📚 List of Mangroves in India
Q17

Which of the following is the world's largest mangrove forest?

🎯 SSC MTS 07/10/2021 (Shift-II)
📘 Environmental Schemes in India📚 Misc
Q18

Which of the following states has implemented a tree planting program named 'Haritha Haram'?

🎯 SSC MTS 08/10/2021 (Shift-II)
📘 In Situ Conservation – Community Based📚 Joint Forest Management (JFM)
Q19

In 1972, the West Bengal Forest Department admitted its failures in reviving the degraded ________ forests in the south-western districts of the state.

🎯 SSC MTS 12/10/2021 (Shift-III)
📘 Ozone Depletion📚 Definition & General Facts
Q20

How many oxygen atoms are there in one ozone molecule?

🎯 SSC MTS 12/10/2021 (Shift-III)