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Test: Ecology - SSC CGL MCQ


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15 Questions MCQ Test General Awareness for SSC CGL - Test: Ecology

Test: Ecology for SSC CGL 2024 is part of General Awareness for SSC CGL preparation. The Test: Ecology questions and answers have been prepared according to the SSC CGL exam syllabus.The Test: Ecology MCQs are made for SSC CGL 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Ecology below.
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Test: Ecology - Question 1

According to Ernst Haeckel's definition, what is ecology primarily concerned with studying?

Detailed Solution for Test: Ecology - Question 1

Ernst Haeckel's definition of ecology emphasizes studying the interactions between organisms and their environments. This includes exploring how organisms interact with each other and with the non-living elements of their surroundings. By focusing on these relationships, ecologists gain insights into how ecosystems function and evolve over time.

Test: Ecology - Question 2

In what year was the term "ecology" defined by Ernst Haeckel?

Detailed Solution for Test: Ecology - Question 2

Ernst Haeckel defined the term "ecology" in 1866. This marked a significant moment in the scientific understanding of the interactions between living organisms and their environments, laying the foundation for the discipline of ecology as we know it today.

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Test: Ecology - Question 3

How would you best describe ecology as a scientific discipline?

Detailed Solution for Test: Ecology - Question 3

Ecology is best described as an interdisciplinary scientific discipline that integrates principles from biology and Earth science. By combining insights from these two fields, ecologists are able to explore the complex relationships between organisms and their environments in a holistic manner.

Test: Ecology - Question 4

What do ecologists study when examining the interactions among organisms?

Detailed Solution for Test: Ecology - Question 4

When studying interactions among organisms, ecologists focus on the relationships and dynamics between different species within an ecosystem. By understanding how species interact with each other, ecologists can unravel the intricate web of dependencies that shape ecological communities.

Test: Ecology - Question 5

Which term forms the basis of the word "ecology" ?

Detailed Solution for Test: Ecology - Question 5

The term "ecology" is derived from the Greek word 'oikos,' which means habitation or dwelling place. This root word reflects the fundamental focus of ecology on studying the relationships between organisms and their environments, emphasizing the interconnectedness of living beings with their habitats.

Test: Ecology - Question 6

What distinguishes ecology as an interdisciplinary field of study?

Detailed Solution for Test: Ecology - Question 6

Ecology stands out as an interdisciplinary field of study due to its integration of principles from both biology and Earth science. By combining insights from these two disciplines, ecologists are equipped to analyze the complex interactions between organisms and their environments across various ecosystems.

Test: Ecology - Question 7

Which of the following best characterizes the scope of ecology?

Detailed Solution for Test: Ecology - Question 7

The scope of ecology primarily revolves around the exploration of interactions within ecosystems. Ecologists delve into the relationships between organisms, their physical surroundings, and other living beings within a given ecosystem to comprehend the intricate balance and dynamics that sustain life in these environments.

Test: Ecology - Question 8

What term describes a form of prolonged dormancy in response to high temperatures and dry conditions, observed in organisms like snails and fishes?

Detailed Solution for Test: Ecology - Question 8

Aestivation is a form of prolonged dormancy observed in organisms like snails and fishes in response to high temperatures and dry conditions. During aestivation, these organisms remain inactive to conserve energy and survive harsh environmental conditions.

Test: Ecology - Question 9

What is defined as the rate at which new individuals are born into a population?

Detailed Solution for Test: Ecology - Question 9

The birth rate refers to the rate at which new individuals are born into a population over a specific period. It is an essential factor in determining population growth and dynamics.

Test: Ecology - Question 10

What term describes a relationship where one organism benefits without affecting the other, such as barnacles on a whale benefiting from the whale's movement without harming it?

Detailed Solution for Test: Ecology - Question 10

Commensalism is a type of relationship where one organism benefits without affecting the other organism. In this scenario, barnacles benefit from the whale's movement without causing harm to the whale.

Test: Ecology - Question 11

What is the term for the interaction between two organisms, where it may be beneficial or neutral for one or both organisms?

Detailed Solution for Test: Ecology - Question 11

Symbiosis refers to the interaction between two organisms, which can be beneficial or neutral for one or both parties involved. It encompasses various types of relationships like mutualism, commensalism, and parasitism.

Test: Ecology - Question 12

Which term describes the process of breaking down organic molecules into inorganic ones like CO2 and water, carried out by decomposers?

Detailed Solution for Test: Ecology - Question 12

Decomposition is the process whereby organic molecules are broken down into simpler inorganic compounds like carbon dioxide and water. Decomposers play a crucial role in recycling nutrients in ecosystems.

Test: Ecology - Question 13

What is the term for the gradual change in species composition in a given area over time?

Detailed Solution for Test: Ecology - Question 13

Ecological succession refers to the gradual process of change in species composition in a particular area over time. It involves the colonization of new species and the replacement of existing ones as the ecosystem evolves.

Test: Ecology - Question 14

What is the rate at which biomass is generated in an ecosystem?

Detailed Solution for Test: Ecology - Question 14

Gross Primary Productivity is the total rate at which producers convert solar energy into organic matter through photosynthesis. It represents the overall productivity of the primary producers in an ecosystem.

Test: Ecology - Question 15

What does the term "oikos" mean of ecology?

Detailed Solution for Test: Ecology - Question 15

Ecology, the term "oikos" refers to habitation or dwelling place. This term underscores the central focus of ecology on studying how organisms interact with and adapt to their environments, highlighting the importance of understanding the relationships between living beings and their habitats for ecological research and conservation efforts.

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