- 1(current)
Q. No.A community and its abiotic environment best define a(an)
| 1. | biogeochemical cycle | 2. | biosphere |
| 3. | ecosystem | 4. | food web |
Subtopic: Introduction |
85%
Level 1: 80%+
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| Assertion (A): | It is convenient to divide the global ecosystem into some basic categories. |
| Reason (R): | Global ecosystem is too big to study at once. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
| 3. | (A) is True but (R) is False |
| 4. | (A) is False but (R) is True |
Subtopic: Introduction |
89%
Level 1: 80%+
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A physical structure that is characteristic of each type of ecosystem is due to:
| 1. | Interaction between various biotic components of the ecosystem |
| 2. | Interaction between various abiotic components of the ecosystem |
| 3. | Interaction between various biotic and abiotic components of the ecosystem |
| 4. | Interaction of producers with abiotic components of the ecosystem |
Subtopic: Introduction |
88%
Level 1: 80%+
Hints
Which of the following best defines an ecosystem?
| 1. | A group of populations of different species interacting in a specific area, forming a stable unit of life. |
| 2. | A large geographic region characterized by specific climatic conditions and dominant plant and animal species. |
| 3. | The global ecological system integrating all living organisms and their relationships with the environment. |
| 4. | A self-regulating system consisting of biotic and abiotic components that interact with each other through energy flow and nutrient cycling. |
Subtopic: Introduction |
80%
Level 1: 80%+
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Vertical distribution of different species occupying different levels in a biotic community is known as:-
| 1. | divergence | 2. | stratification |
| 3. | zonation | 4. | pyramid |
Subtopic: Introduction |
89%
Level 1: 80%+
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Which one of the following is not a functional unit of an ecosystem?
| 1. | Energy flow | 2. | Decomposition |
| 3. | Productivity | 4. | Stratification |
Subtopic: Introduction | Components & Types of Ecosystems |
88%
Level 1: 80%+
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Which one of the following is one of the characteristics of a biological community?
| 1. | Stratification | 2. | Natality |
| 3. | Mortality | 4. | Sex-ratio |
Subtopic: Introduction |
82%
Level 1: 80%+
AIPMT - 2010
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- 1(current)
Q. No.
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