Assertion : The most dramatic examples of habitat l oss come from tropical rain forests.
Reason : By the time you finish reading the chapter 'Bio-diversity and Conservation'. 100 more hectares of rain forest would have been lost.

These questions consist of two statements each printed as Assertoin and Reason. While answering these questions, you are requied to choose any one of the following four responses. If both Assertion and Reason are true and Reason is correct explanation of Assertion If both Assertion and REason are true but Reason is not correct explanation of Assertion If Assertion is true but Reason is false If both Assertion and Reason are false Assertion: Tropical rain forests are disappearing fast from developing countries such as india No value is attached to these forests becaue they are poor in biodiversity.

Which of the following statement/s regarding deforestation is/are wrong? I. Deforestation is the conversion of forested areas to non-forested ones. II. A number of human activitis contribute to deforestation. III. Deforestation increases biodiversity due to habitat conservation. IV. One of the major reasons is the conversion of forest to agricultural land so as to feed the grwoing human population. V. Almost 40 per cent forests have been lost in the tropics, compared to only 1 per cent in the temperate region.

In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct. 1. The northeastern region presents a diverse system of habitats, ranging from tropical rainforests to alpine meadows. P. In eastern Himalayas the rainfall ranges from 125 to 300 cms, in Assam from 178 to 305 cms. Q. The temperature in the region varies with location, elevation, topography, rainfall and humidity. R. The uneven distribution affects the region in two opposite ways, floods and droughts. S. It is largely a humid tropical region with two periods of rainfall, the winter rains come from the west and the summer rains are brought by the monsoon winds. 6. The winter temperature in Shillong, for example, varies from 4^(@)C" to "24^(@)C , in Gangtok, from 9^(@)C" to "23^(@)C .

These questions consist of two statement each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. A. If both Assertion and Reason are true and Reason is a correct explanation of the Assertion. B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. Assertion: Tropical rain forests are disappearing fast from developing countries such as India. Reason. No value is attached to these forests because these are poor in biodiversity.

You have two passages with 5 questions following each passage. Read the passage carefully and choose the best answer to each question out of the four alternatives and mark it by blackening the appropriate oval in the Answer Sheet. PASSAGE-2 The desert floras shame us with their cheerful adaptations to the seasonal limitations. Their whole duty is to flower and fruit, and they do it hardly, or with tropical luxuriance, as the rain admits. It is recorded in the report of the Death Valley expedition that after a year of abundant rains, on the Colorado Desert was found a specimen of Amaranths ten feet high. A year later the same species in the same place matured in the drought at four inches. Seldom does the desert herb attain the full stature of the type. Extreme aridity and extreme altitude have the same dwarfing effect, so that we find in the high Sierras and in Death Valley related species in miniature that reach a comely growth in mean temperatures. Very fertile are the desert plants in expedients to prevent evaporation, turning their foliage edge-wise toward the sun, growing silky hairs, exuding thick gum. The wind, which has a long sweep, harries and helps them. It rolls up dunes about the stocky stems, encompassing and protective, and above the dunes, which may be, as with the mesquite, three times as high as a man, the blossoming twigs flourish and bear fruit. What stops the desert floras from performing their duty well?

You have two passages with 5 questions following each passage. Read the passage carefully and choose the best answer to each question out of the four alternatives and mark it by blackening the appropriate oval in the Answer Sheet. PASSAGE-2 The desert floras shame us with their cheerful adaptations to the seasonal limitations. Their whole duty is to flower and fruit, and they do it hardly, or with tropical luxuriance, as the rain admits. It is recorded in the report of the Death Valley expedition that after a year of abundant rains, on the Colorado Desert was found a specimen of Amaranths ten feet high. A year later the same species in the same place matured in the drought at four inches. Seldom does the desert herb attain the full stature of the type. Extreme aridity and extreme altitude have the same dwarfing effect, so that we find in the high Sierras and in Death Valley related species in miniature that reach a comely growth in mean temperatures. Very fertile are the desert plants in expedients to prevent evaporation, turning their foliage edge-wise toward the sun, growing silky hairs, exuding thick gum. The wind, which has a long sweep, harries and helps them. It rolls up dunes about the stocky stems, encompassing and protective, and above the dunes, which may be, as with the mesquite, three times as high as a man, the blossoming twigs flourish and bear fruit. The desert plants face the danger of .................... from extreme aridity and extreme altitude.

(i) Mention the main reasons for maximum bio-diversity in tropical rain forests. (ii) Give the full form of IUCN. (ii) What do you mean by sacred groves. Name such groves in Meghalaya, Rajasthan and Madhya Pradesh. (iv) When, where and in which country earth summit was held?