The total number of biodiversity hotspots in the world are

(1) 72           

(2) 34             

(3) 52           

(4) 24.

IUCN stands for

(1) Indian Union for Conservation of Nature

(2) International Union for Conservation of Nature

(3) Indian Union for Chemical Nomenclature

(4) International Union for Conservation of Nutrients

Select the correct statement about biodiversity.
 

For better survival of human Indian population, which is the most important Step?
(1) Afforestation

(2) Reduction in population density

(3) conservation of wild life including tribals

(4) Both (a) and (c)

One out of the following is not responsible for biodiversity loss.

(1) Alien species invasion

(2) Co-extinction

(3) Ex-situ conservation

(4) Deforestation

Different varieties of Indian mangoes are most popular in Western and some other European countries. The varieties with different flavour, colour, sugar and fleshy content is due to

(1) genetic diversity

(2) species diversity

(3) induced mutation

(4) hybridisation

Which of the following statements is not true?

(1) The biodiversity decreases with increasing altitude.

(2) The biodiversity decreases with increasing pollution.

(3) The fishes show greatest biodiversity among vertebrates.

(4) The biodiversity of bryophytes is greater than that of angiosperms.

Refer the following figure represent global biodiversity. Identify A-E and choose the correct option.

The species diversity decreases from lower to higher altitudes on a mountain. This is due to
(1) increase in temperature

(2) decrease in temperature

(3) greater seasonal variability

(4) Both (b) and (c)