A highly poisonous animal Z which inhabits crop field is commonly known as friend of the farmer. It eats up pests like Y and saves the crops from damage. The animal X is killed in large numbers to get its Z which sells in the market at a high price. What are X, y and Z?

Which of the following is an endangered species of animals?

Large scale deforestation leads to the decrease in the amount of gas A in the atmosphere whereas the amount of gas B increases. The increased amount of gas B in the atmosphere causes an effect C which leads to excessive heating of the earth and its atmosphere producing an undesirable phenomenon D. What are A, B, C and D?

The species P and Q of wild animals are found only in a ‘particular area’. The species R of wild animals is listed in Red data book of India whereas species S of wild animals no longer exists anywhere on the earth.

(a) What name is given to species like P and Q?

(b) What are the species like R known as?

(c) Name one species like R.

(d) What is the special name of species like S?

(e) Name one species like S.

Consider the following animal species:

Dodo, Yak, Deer, Black buck, Tiger, Cow, Kashmir stag, Dinosaur, Elephant, Lion tailed macaque, Peacock, Snow leopard

Which of these animals are:

(a) endemic to mountain habitats?

(b) endangered species?

(c) extinct species?