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.
  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Introduction & Types | Importance of Biodiversity |
 54%

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Year-to-year variation shown by areas with more species is ................... with respect to areas with less species.

1.less2.more
3.same4.absent

Subtopic:  Importance of Biodiversity |
 67%
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The active chemical drug reserpine is obtained from:

1.Datura2.Rauwolfia
3.Atropa4.Papaver

Subtopic:  Importance of Biodiversity |
 90%
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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

Subtopic:  Importance of Biodiversity |

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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
Subtopic:  Importance of Biodiversity |
 73%
From NCERT

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