Ecosystem MCQs | Ecosystem Multiple Choice Questions (MCQs) and Answers

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Questions
1 Name the term which defines the ability of community return to its original state after being displaced?
A Dispersed
B Clumped
C Resistance
D Resilience

Answer:Resilience
2 Which of the following is a diversity index?
A Upright index
B Inverted index
C Bell shaped index
D Simpson’s index

Answer:Simpson’s index
3 On an ecological time scale, the process of directional change in community composition is known as ____________
A Keystone species
B Succession
C Guild
D Population

Answer: Succession
4 Climax community is the end point of the succession
A True
B False

Answer: True
5 Which of the following selection pressure is obtained in late succession stage?
A K- selection
B R- selection
C E-selection
D L- selection

Answer: K- selection
6 What is the entropy of the early succession community?
A Medium
B Low
C High
D Very high

Answer:High
7 Name the succession in which development of the biotic community starts after the destruction of an existing community?
A Climax
B Seral
C Primary succession
D Secondary succession

Answer:Secondary succession
8 Which of the following succession processes describes the development of bare area without any form of life?
A Dispersed
B Clumped
C Ecesis
D Nudation

Answer:Nudation
9 Which of the following factor is NOT responsible for autotrophic succession?
A Climate
B Soil erosion
C Man
D Microorganisms

Answer:Microorganisms
10 Name the scientist who had described the term climax.
A Linneus
B Clement
C Puri
D Cowles

Answer:Cowles
11 Name the type of community which is maintained by the man or his domestic animals.
A Climatic
B Edaphic
C Disclimax
D None of these

Answer:Disclimax
12 Who developed the polyclimax theory?
A Daubenmire
B R.H Whittaker
C Clement
D Tansley

Answer: Tansley
13 Which of the following term is given to the process of successful establishment of the species?
A Ecesis
B Aggregation
C Nudation
D Competition

Answer: Ecesis
14 What is the effect on biodiversity when we move from pole to equator?
A High
B Increases
C Decreases
D Remains same

Answer: Increases
15 Population of which of the following will be highest in the food chain?
A Decomposer
B Primary Producer
C Photosynthetic organism
D Secondary consumers

Answer:Photosynthetic organism
16 Who is food component of the grazing food chain?
A Consumer
B Decomposer
C Photosynthetic living organism
D Photosynthetic consumers

Answer: Decomposer
17 System resulting from interaction of all the known living factors and populaton of all the species of a unit area is
A Ecology
B Genetics
C Science of plants and animal
D Ecosystem

Answer: Ecosystem
18 In which of the following plants are included in any food chain?
A Primary Producer
B primary comsumer
C Primary predator& producer
D Primary decomposer

Answer:Primary Producer
19 Which of the following is the correct statement for food chain?
A Every chain formed by nutritional relations is used to understand energy flow
B Energy component of the food chain forms trophic level
C Inter- relation amongest different food chain froms food web
D All of the given

Answer: All of the given
20 Which of the following uses maximum energy?
A Primary consumer
B Secondary consumer
C Decomposer
D Primary Producers

Answer: Primary Producers

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