- 1(current)
Q. No.| 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
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Year-to-year variation shown by areas with more species is ................... with respect to areas with less species.
| 1. | less | 2. | more |
| 3. | same | 4. | absent |
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To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Plants are an important source of medicines for human use. Identify the incorrectly matched pair:
|
|
PLANT |
MEDICINE |
|
1. |
Taxusbrevifolia |
Anticancer drug |
|
2. |
Cinchona officinalis |
Anti-malarial |
|
3. |
Rauwolfiaserpentina |
Anti-hypertensive |
|
4. |
Catharanthusroseus |
Anti-helminthic |
Organisms that are least likely to experience extinction over the long term are most likely to be found in:
| 1. | areas inhabited by humans | 2. | very stable habitats |
| 3. | desert | 4. | savanna |
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- 1(current)
Q. No.
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