
List any two benefits of biodiversity to mankind.
Important Questions on Biodiversity and its Conservation
A. The duration of time available for species diversification is limited.
B. Solar energy and water resources are available in abundance.
C. Tropical climates are not constant and cannot be predictable.
D. Tropical latitudes have remained relatively undisturbed for millions of years.


The state of Gujarat has river, desert, forest and lake ecosystems, thus exhibiting a diversity of life. Which measure do you use to denote total diversity in such a case?



Study the diagram given below and select the correct answer for 1, 2 and 3.
1 | 2 | 3 | |
---|---|---|---|
(i) | Alpha diversity | Beta diversity | Gamma diversity |
(ii) | Gamma diversity | Alpha diversity | Beta diversity |
(iii) | Gamma diversity | Beta diversity | Alpha diversity |
(iv) | Beta diversity | Alpha diversity | Gamma diversity |


Reason: Alpha diversity is a measure of diversity between the communities.



1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes.
2. Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes.
Which of the statement(s) given above is/are correct?



The given pie diagram represents the proportionate number of species of major groups of invertebrates. Identify groups A and B.


Select the correct option to fill up the blanks in the following statements:
(i) According to Robert May, the global species diversity is about __A__.
(ii) According to IUCN (2004), the total number of plant and animal species described are __B__.
(iii) India has only 2.4% of the world land area, its share of the global species diversity is __C__.


Find the correct match between the given columns I and II.
Column I | Column II | ||
---|---|---|---|
Beta diversity | Tropical areas | ||
Rich biodiversity | Dodo | ||
Gamma diversity | Between community diversity | ||
Extinct species | Great Indian bustard | ||
Critically endangered species | Diversity of geographical region |




