Environment and Ecology UPSC Prelims Questions. We covered all the Environment and Ecology UPSC Prelims Questions in this post for free so that you can practice well for the exam.
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MCQ on Environment and Ecology for UPSC Students
(a) possibilism
(b) determinism
(c) neo-determinism
(d) None of the above
Option a – possibilism
Which among the following statements is incorrect regarding the environment?
(a) Every green plant can decompose its dead body.
(b) Decomposers cannot make their own food.
(c) The biosphere is the fundamental unit of the study of the environment.
(d) In the biosphere physical as well as biological elements are present.
Option a – Every green plant can decompose its dead body
Generally, the environment can be classified into the following categories. Which among the following is not a part of such a category?
(a) Operational Environment
(b) Physical Environment
(c) Cultural Environment
(d) Biological Environment
Option a – Operational Environment
Which of the following statements regarding the hydrosphere is incorrect?
(a) Under the hydrosphere both surfaces, as well as groundwater, are present.
(b) On earth, 71% percent of water is there.
(c) In the hydrosphere maximum amount of saline water is found in the ocean and sea.
(d) Only 8% of water available on earth is portable.
Option a – Under the hydrosphere both surfaces, as well as groundwater, are present
Who among the following has proposed a deterministic concept in the context of man and environment relation?
(a) Ratzel
(b) Vidal de La Blache
(c) Ernst Haeckel
(d) Tansley
Option a – Ratzel
In which environmental theory nature is considered all-powerful and the man considered a toy in the hands of nature?
(a) Possibilism
(b) Neo-Determinism
(c) Determinism
(d) None of these
Option c – Determinism
Who of the following used the term ‘deep ecology for the first time?
(a) EP Odum
(b) C Raunkiaer
(c) FE Clements
(d) Arne Naess
Option d – Arne Naess
Which one of the following is the correct order of biological organization ranging from organism to biosphere?
(a) Population – Ecosystem – Community – Landscape
(b) Landscape – Community – Ecosystem – Population
(c) Population – Community – Ecosystem – Landscape
(d) Population – Landscape – Community – Ecosystem
Option c – Population – Community – Ecosystem – Landscape
The term ‘Ecosystem’ was proposed by
(a) G. Taylor
(b) E. Hartigan
(c) DR Stoddart
(d) Tansley
Option d – Tansley
Which of the following is not correct about the ecosystem?
(a) It comprises both, abiotic and biotic components.
(b) It has its productivity.
(c) It is a closed system.
(d) It is a natural resource system.
Option c – It is a closed system
The concept of ‘Ecological Transition was first used by
(a) Elton
(b) Bennett
(c) Berkeley
(d) Ratzel
Option b – Bennett
The following forms of relationship exist between man and his environment according to the development of geographical thought. I. Environmental determinism II. Possibilism III. Neo-determinism The correct sequence of the development of these forms of relationships is
(a) II, I, and III
(b) III, I, and II
(c) I, III, and II
(d) I, II, and III
Option d – I, II, and III
Assertion (A) People in polar areas live in houses made up of ice. Reason (R) Climate has an impact on human life. Codes
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true, but R is not the correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Option a – Both A and R are true and R is the correct explanation of A
Who among the following has used the term ecology for the first time?
(a) AG Tansley
(b) Ernst Haeckel
(c) Griffith Taylor
(d) None of these
Option b – Ernst Haeckel
Ecology is the study of the relationship between
(a) organism and environment
(b) man and forest
(c) soil and water
(d) husband and wife
Option a – organism and environment
Which among the following concept is wrong?
(a) The working system of the environment is governed by Natural Laws.
(b) Terrestrial unity is present in the environmental elements.
(c) The environment is the reserve of physical resources, not biological resources.
(d) Self-enrichment capacity is inherent in the environment.
Option c – The environment is the reserve of physical resources, not biological resources
World Environment Day is celebrated on
(a) 21st March
(b) 23rd September
(c) 5th June
(d) 25th May
Option c – 5th June
Assertion (A) Environment is the store of immense force. Reason (R) Environmental elements are created as a result of environmental forces and processes. Codes
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true, but R is not the correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Option a – Both A and R are true and R is the correct explanation of A
What is the thin layer of gases around the Earth?
(a) Biosphere
(b) Water Particle
(c) Atmosphere
(d) Hydrosphere
Option c – Atmosphere
Environment refers to
(a) the natural world of land, water, air, plants, and animals that exist around it.
(b) the sum total of conditions that surround human beings at a given point in time.
(c) the interacting system of physical, biological, and cultural elements which are interlinked.
(d) All of the above
Option d – All of the above
The word ‘Environment’ had an origin in which language?
(a) German
(b) French
(c) Spanish
(d) Arab
Option b – French
The environment is a composite state of
(a) biotic factors
(b) physiographic factors
(c) abiotic factors
(d) All of the above
Option d – All of the above
An environment is an indivisible unit that is created by
(a) physical resources
(b) biological resources
(c) physical and biological resources
(d) The combination of physical, biological, and cultural resources.
Option d – The combination of physical, biological, and cultural resources
Which among the following is not the constituent of the physical environment?
(a) Types of landforms
(b) Soils
(c) Minerals
(d) Settlements
Option d – Settlements
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