Sthapna – Static MCQs for GS – Ecological Succession – Day 29

Ecological Succession is an important function of an Eco-system.
Which of the following statement/s about Ecological succession is/are correct?
1) Succession refers to the changes in population or community structures that occur at the boundary of two habitats.
2) It is a universal process of directional change in vegetation and animal life on an ecological time scale.
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Ecological succession is a universal process of directional change in vegetation and animal life on an ecological time scale.
Which of the following is/are not the characteristics of ecological succession?
1) Increased productivity
2) Shift of the nutrients from the reservoirs
3) Decrease in diversity of organisms
4) Development of relatively less complex food webs

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In context of ecological successions consider the following statements regarding primary and secondary succession and identify the incorrect statement/s:
1. Primary Succession starts on a well-developed soil already formed at the site.
2. As compared to the secondary succession, the primary succession is relatively faster.

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In context of types of ecological successions, consider the following statements and identify the correct one/s:
1. Autogenic Succession is brought about by living inhabitants of the community itself.
2. Allogenic Succession is brought about by the external forces.
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Consider the following statements regarding ecological succession and follow the instructions:
Assertion (A) – Succession would occur faster in the area surrounded by oceans.
Reason (R) – Seeds of plants belonging to different seres reach faster in areas located in the middle of a continent.
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