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Q. No.Among the ecosystem mentioned below, where can one find maximum biodiversity?
1. Mangroves 2. Desert 3. Coral reefs 4. Alpine meadows
Subtopic: Magnitude of Biodiversity |
58%
From NCERT
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Which of the following forests is known as the ‘lungs of the planet Earth’?
1. Taiga forest
2. Tundra forest
3. Amazon rainforests
4. Rainforests of North East India
Subtopic: Loss of Biodiversity |
97%
From NCERT
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Subtopic: Importance of Biodiversity |
90%
From NCERT
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Which of the following group exhibit more species diversity?
| 1. | Gymnosperms | 2. | Algae |
| 3. | Bryophytes | 4. | Fungi |
Subtopic: Magnitude of Biodiversity |
84%
From NCERT
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Which of the below-mentioned regions exhibit less seasonal variations?
| 1. | Tropics | 2. | Temperate |
| 3. | Alpines | 4. | Both (1) & (2) |
Subtopic: Biodiversity Patterns |
68%
From NCERT
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The historic convention on Biological Diversity held in Rio de Janeiro in 1992 is known as:
| 1. | CITES Convention | 2. | The Earth Summit |
| 3. | G-16 Summit | 4. | MAB Programme |
Subtopic: Ex Situ Conservation of Biodiversity |
97%
From NCERT
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What is common to the techniques (i) in vitro fertilization, (ii) Cryo preservation, and (iii) tissue culture?
| 1. | All are in situ conservation |
| 2. | All are ex situ conservation methods |
| 3. | All require ultra-modern equipment and large space. |
| 4. | All are methods of conservation of extinct organisms. |
Subtopic: Ex Situ Conservation of Biodiversity |
78%
From NCERT
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
| Assertion (A): | Genetic diversity serves as a way for populations to adapt to changing environments. |
| Reason (R): | Genetic diversity is the total number of genetic characteristics in the genetic makeup of a species. |
In the light of the above statements, choose the most appropriate answer from the options given below :
| 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. | Both (A) and (R) are false. |
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Introduction & Types | Importance of Biodiversity |
55%
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below :
| Assertion (A): | Biologists are not sure about how many prokaryotic species there might be. |
| Reason (R): | A large number of species have not been data based so far. |
| 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. | Both (A) and (R) are False. |
Subtopic: Introduction & Types |
51%
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below :
| Assertion (A): | There is a steady increase in species richness from the arctic to the tropics. |
| Reason (R): | Seasonal variation is substantially more in tropics than in arctics. |
| 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. | Both (A) and (R) are False. |
Subtopic: Biodiversity Patterns |
65%
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