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A few years ago, the brown plant hopper ...

A few years ago, the brown plant hopper (Nilaparvata lunges) threatened the cultivation of

A

Wheat

B

Rice

C

Miaze

D

Millets

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The correct Answer is:
B
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In the following questions, you have two passages with 5 questions in each passage. Read the passages carefully and choose the best answer to each question out of the four alternatives. The savings of certain wild animals from extinction has for many years been a problem for zoologists and other specialists, but more recently the problem has become so acute, and has received so much publicity, that most people are now concenrned about it. This may at first seem strange because one of the most gratifying developments of the last few years has been the passing of strict laws to product wild animals and the consequent decline in the hunting of big - game for sport. Why is it, then that some rare wild animals are still threatened with extinction and even some of the less rare ones are rapidly declining in number ? One reason is the 'march of civilization'. When an area is wholly cleared of vegetation to make room for new towns, factory sites or hydroelectric plant the natural home of several species is destroyed, The displaced animal must either migrate to another area or perish. Even the clearing of land for a road or an airfield may involve 'pushing back' the jungle and the smaller the area in which wild animals complete for a living, the smaller the number that can hope to survive. What is the main for an area to be wholy cleared?

In the following questions, you have two passages with 5 questions in each passage. Read the passages carefully and choose the best answer to each question out of the four alternatives. The savings of certain wild animals from extinction has for many years been a problem for zoologists and other specialists, but more recently the problem has become so acute, and has received so much publicity, that most people are now concenrned about it. This may at first seem strange because one of the most gratifying developments of the last few years has been the passing of strict laws to product wild animals and the consequent decline in the hunting of big - game for sport. Why is it, then that some rare wild animals are still threatened with extinction and even some of the less rare ones are rapidly declining in numbr ? One reason is the 'march of civilization'. When an area is wholly cleared of vegetation to make room for new towns, factory sites or hydroelectric plant the natural home of several species is destroyed, The displaced animal must either migrate to another area or perish. Even the clearing of land for a road or an airfield may involve 'pushing back' the jungle and the smaller the area in which wild animals complete for a living, the smaller the number that can hope to survive. The meaning of hte word 'gratifying' is

In the following questions, you have two passages with 5 questions in each passage. Read the passages carefully and choose the best answer to each question out of the four alternatives. The savings of certain wild animals from extinction has for many years been a problem for zoologists and other specialists, but more recently the problem has become so acute, and has received so much publicity, that most people are now concenrned about it. This may at first seem strange because one of the most gratifying developments of the last few years has been the passing of strict laws to product wild animals and the consequent decline in the hunting of big - game for sport. Why is it, then that some rare wild animals are still threatened with extinction and even some of the less rare ones are rapidly declining in numbr ? One reason is the 'march of civilization'. When an area is wholly cleared of vegetation to make room for new towns, factory sites or hydroelectric plant the natural home of several species is destroyed, The displaced animal must either migrate to another area or perish. Even the clearing of land for a road or an airfield may involve 'pushing back' the jungle and the smaller the area in which wild animals complete for a living, the smaller the number that can hope to survive. What is meant by 'pushing back the jungle'?

In the following questions, you have two passages with 5 questions in each passage. Read the passages carefully and choose the best answer to each question out of the four alternatives. The savings of certain wild animals from extinction has for many years been a problem for zoologists and other specialists, but more recently the problem has become so acute, and has received so much publicity, that most people are now concenrned about it. This may at first seem strange because one of the most gratifying developments of the last few years has been the passing of strict laws to product wild animals and the consequent decline in the hunting of big - game for sport. Why is it, then that some rare wild animals are still threatened with extinction and even some of the less rare ones are rapidly declining in numbr ? One reason is the 'march of civilization'. When an area is wholly cleared of vegetation to make room for new towns, factory sites or hydroelectric plant the natural home of several species is destroyed, The displaced animal must either migrate to another area or perish. Even the clearing of land for a road or an airfield may involve 'pushing back' the jungle and the smaller the area in which wild animals complete for a living, the smaller the number that can hope to survive. What has the passing of strict laws resulted in ?

Many poor farmers had been compelled to take up indigo cultivation when the Brit settlers were given the right to purchase and cultivate land in Indigo. Many whites, therefore, either acquired land or advanced loans to poor farmers and pressurized them to forsake the farming food grains and other cash crops for indigo cultivation. Indigo export to Europe was lucrative the British settlers who held a monopoly of this business Within a few years, most of the fertile land undergone forcible indigo cultivation, resulting in a famine situation in Bengal. V the farmers declined to cultivate indigos, they were tortured, jailed and even killed. British settlers bought land in Bengal in order to

CENGAGE BIOLOGY-BIODIVERSITY AND CONSERVATION -Archives
  1. A few years ago, the brown plant hopper (Nilaparvata lunges) threatene...

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  2. Identify the odd combination of the habitat and the particular animal ...

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  3. One of endangered species of Indian medicinal plants is that of

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  4. Quercus species is the dominant component in

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  5. Which one of the following is not observed in biodiversity hotspots

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  6. The table below gives the population ( in thousands) of ten speci...

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  7. Tiger is not a resident in which one of the following national park

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  8. Which one of the following has maximum genetic diversity in India

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  9. Which one of the following is an example of ex-situ conservation?

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  10. Which one of the following shows maximum genetic diversity in India ...

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  11. A collection of plants and seeds having diverse alleles of all the ge...

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  12. Eutrophication of often seen in:

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  13. The highest number of species in the world is represented by

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  14. Sacred groves are specially useful in

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  15. Select the correct statement about biodiversity

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  16. Which of the following represent maximum number of species among globa...

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  17. A location with luxuriant growth of lichens on the trees indicates tha...

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  18. High value of BOD (Biochemical Oxygen Demand) indicates that:

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  19. During ecological succession:

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  20. Which is the National Aquatic Animal of India

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  21. Which of the following is the most important for animals and plants be...

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