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Question 1 of 5
1. Question
2 points
Consider the following statements:
a. Ecology is defined as the sum total of living, non-living components, influences and events, surrounding an organism.
b. Environment is the study of the relationship of plants and animals to their physical and biological environment.
c. An ecosystem is defined as a structural and functional unit of the biosphere consisting of a community of living beings and the physical environment, both interacting and exchanging materials between them.
How many of the statements given above are correct?
Correct
The answer is a.
Statements 1 and 2 are wrong. Statement 3 is correct.
Statement 1: The environment is defined as ‘the sum total of living, non-living components, influences and events, surrounding an organism.
Statement 2: Ecology is the study of the relationship of plants and animals to their physical and biological environment.
Statement 3: An ecosystem is defined as a structural and functional unit of the biosphere consisting of a community of living beings and the physical environment, both interacting and exchanging materials between them.
Incorrect
The answer is a.
Statements 1 and 2 are wrong. Statement 3 is correct.
Statement 1: The environment is defined as ‘the sum total of living, non-living components, influences and events, surrounding an organism.
Statement 2: Ecology is the study of the relationship of plants and animals to their physical and biological environment.
Statement 3: An ecosystem is defined as a structural and functional unit of the biosphere consisting of a community of living beings and the physical environment, both interacting and exchanging materials between them.
Question 2 of 5
2. Question
2 points
Which one of the following arrangements is correct?
Correct
The answer is a.
The levels of organisation in ecology are arranged as:
Individual < Population < Community < Ecosystem < Biosphere
Incorrect
The answer is a.
The levels of organisation in ecology are arranged as:
Individual < Population < Community < Ecosystem < Biosphere
Question 3 of 5
3. Question
2 points
A large geographical region characterized by a particular set of climate conditions, plant and animal life is called:
Correct
The answer is a.
A large geographical region characterized by a particular set of climate conditions, plant and animal life is called Biome. Each biome has unique characteristics that determine the kinds of plants and animals that can survive and thrive in that particular environment. Types of biomes: forests, grasslands, tundra, deserts, and aquatic biomes such as oceans, rivers, and lakes.
Incorrect
The answer is a.
A large geographical region characterized by a particular set of climate conditions, plant and animal life is called Biome. Each biome has unique characteristics that determine the kinds of plants and animals that can survive and thrive in that particular environment. Types of biomes: forests, grasslands, tundra, deserts, and aquatic biomes such as oceans, rivers, and lakes.
Question 4 of 5
4. Question
2 points
Consider the following statements:
a. The physical space occupied by an organism is called niche.
b. The functional space occupied by an organism where it gets the resources needed to survive is called habitat.
c. If two organisms have the same niche, there is increased competition, leading to less chances of survival.
How many of the statements given above are correct?
Correct
The answer is a.
Statements 1 and 2 are wrong. Statement 3 is correct.
Statement 1: Physical space occupied by an organism is called habitat.
Statement 2: The functional space occupied by an organism where it gets the resources needed to survive is called niche.
Statement 3: If two organisms have the same niche, there is increased competition, leading to fewer chances of survival.
Incorrect
The answer is a.
Statements 1 and 2 are wrong. Statement 3 is correct.
Statement 1: Physical space occupied by an organism is called habitat.
Statement 2: The functional space occupied by an organism where it gets the resources needed to survive is called niche.
Statement 3: If two organisms have the same niche, there is increased competition, leading to fewer chances of survival.
Question 5 of 5
5. Question
2 points
Consider the following:
a. Marshland
b. Mangroves
c. Grassland
d. Estuary
How many of the above can be considered as ecotones?
Correct
The answer is c.
All four can be considered ecotones. An ecotone is a zone of junction between two or more diverse ecosystems. Such areas have richness in biodiversity due to the edge effect.
Incorrect
The answer is c.
All four can be considered ecotones. An ecotone is a zone of junction between two or more diverse ecosystems. Such areas have richness in biodiversity due to the edge effect.
