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Explain as to how protection of biodiver...

Explain as to how protection of biodiversity hot spots alone can reduce up to 30% of the current rate of species extinction.

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B

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Fill in the blank with appropriate words. (i) Intially 25 biodiversity hotspots were identified but subsequently………. More have been added to the list. (ii) Strict protection to biodiversity hotspots could reduce the ongoing mass extinction by almost......... (iii) India has............. biosphere reserves......... national parks and .......... wildlife sanctuaries. (iv) The........... on sustainable development held in 2002 in Johannesburg 190 countries pledged their commitment achieve by 2010.

Assertion. There are 34 biodiversity hot spots in the world Reason. High level of species richness is criterion for selection of a biodiversity hot spot

Which among the following statement/s is/are INCORRECT? I. Since the origin and form diversification of earth there were four episodes of extinction. II. The current rate of extinction is 100 to 1000 times faster than in the pre-human times. III. Ecologists warn that if the present trend continues, nearly one-fourth of all the species on earth might be wiped out within the next 100 years.

Which of the following statements regarding biodiversity hotspots are incorrect? (i) High endemism (ii) High level of species richness (iii) Total number is 34 in the world (iv) Five of these occur in India (v) High alien species invasion (vi) Cover less than 2% of the earth's land area, but if properly conserved, they can reduce extinctions by about 30% (a) (i) and (ii) (b) (iv) and (v) (c) iv), (v) and (vi) (d) (iii), (iv), (v) and (vi)

How many hot spots of biodiversity in the world have been identified till date by Norman Myers ?

In the world summit on sustainable development held in 2002 in Johannesburg, South Africa, how many countries pledged their commitment to achieve a significant reduction in the current rate of biodiversity loss at global, regions and local levels by 2010 ?

How many countries piedged their commitment to achieve by 2010, a significant reduction in the current rate of biodiversity loss at global, regional and local levels in the World Summit held in 2002?

(i) The term lungs of the planet is used for (ii) What is the main reason of deforestation of Amazon rain forest. (iii) How can high degree of endemisms is responsible for extinction of species.

A swimmer can swim in still water at a rate 4.0 km/h. If he swims in a river flowing at 3.0 km/h and keeps his direction (with respect to water) perpendicular to the current, find his velocity with respect to the ground.

Assertion. Now-a-days, the biodiversity is declining with an accelerated rate reason. Exotic species are considered to be major cause of extinction of species

AAKASH INSTITUTE ENGLISH-BIODIVERSITY AND CONSERVATION-SECTION - A (Objective Type Questions)
  1. Match the following colums. {:(,"Column I",,"Column II"),((i),"Dodo"...

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  2. IUCN Red List (2004) documents the extinction of A species in th...

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  3. Loss of biodiversity in a region may lead to all of the following, exc...

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  4. Presently A % of all mammal species and B % of all gy...

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  5. The Evil Quartet represents the major causes of

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  6. Which of the following is the most impor- tant cause of animals and pl...

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  7. Which of the following organisms are badly affected when large habitat...

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  8. Which of the following fish led to the extinction of an ecologically u...

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  9. When a host fish species becomes extinct, its unique assemblage of par...

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  10. More than % of the drugs currently sold in the market worldw...

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  11. Bio-prospecting is exploring molecular, genetic and species level dive...

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  12. Amazon rainforests are considered as 'lungs of the planet' as they con...

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  13. How many hot spots have been identified in the world ?

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  14. Explain as to how protection of biodiversity hot spots alone can reduc...

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  15. "When we conserve and protect the whole ecosystem, its biodiversity at...

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  16. Mark the correct match

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  17. In which of the following method threatened animals are taken out from...

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  18. Gametes of threatened species can be preserved in viable and fertile c...

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  19. Select the incorrect match

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  20. How many countries piedged their commitment to achieve by 2010, a sign...

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