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Recent questions tagged biodiversity and conservation

Isah Upanishad says ‘let no one species encroach over the rights and privileges of other species. <br> One can enjoy nature by giving up greed’. But human activities have accelerated the rate of extinction of species in recent times. <br> (a) Name any four such mass activities. <br> (b) Describe how each of these activities leads to loss of biodiversity. <br> ( c) What value is taught by the Upanishad?

asked Apr 9, 2019 by priyanka.clay6

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a) Taking one example each of habitat loss and fragmentation, explain how the two are responsible for biodiversity loss. <br> b) Explain two different ways of biodiversity conservation.

asked Apr 9, 2019 by priyanka.clay6

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What are the two types of desirable approaches to conserve biodiversity? State the differences between the two

asked Apr 9, 2019 by priyanka.clay6

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Explain giving one example, how co-extinction is one of the causes of loss of biodiversity. List the three other causes also (without description).

asked Apr 9, 2019 by priyanka.clay6

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Alien species are highly invasive and are a threat to indigenous species. Substantiate this statement with any three examples.

asked Apr 9, 2019 by priyanka.clay6

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How to conserve biodiversity?

asked Apr 9, 2019 by priyanka.clay6

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How do sanctuaries differs from national parks in terms of conservation?

asked Apr 9, 2019 by priyanka.clay6

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Would Western Ghats ecosystems be less functional if one of its tree frog species is lost forever? Substantiate your answer in the light of hypothesis proposed by Paul Ehrlich.

asked Apr 9, 2019 by priyanka.clay6

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In an experiment, the slope of regression (z) is 0.2 and in another experiment the value obtained is 1.2. Explain the two situations in respect of species area relationships.

asked Apr 9, 2019 by priyanka.clay6

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Biologists are not sure about how many prokaryotic species there might be. Give reasons.

asked Apr 9, 2019 by priyanka.clay6

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Why is the sobriquet. The Evil Quartet used in context of biodiversity? Name the members of this quartet. Why do we grieve for the genes when a species is lost

asked Apr 9, 2019 by priyanka.clay6

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What is so special about tropics that might account for their greater biological diversity?

asked Apr 8, 2019 by priyanka.clay6

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Hot spots are the regions of exceptionally high biodiversity. But they have become regions of accidental habitat loss too. Name the three hot spots of our country. Why are they called hot spot?

asked Apr 8, 2019 by priyanka.clay6

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Explain rivet popper hypothesis.name the ecologist who proposed it.

asked Apr 8, 2019 by priyanka.clay6

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White Bengal tigers are protected in zoological parks. Tiger reserves are maintained in western ghats. How do these two approaches differ from each other? Mention the advantages of each one.

asked Apr 8, 2019 by priyanka.clay6

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Name the sociobioligist who popularized the term biodiversity. Identify the levels of biodiversity in India represented by- <br> a)Diversity amongst amphibians in eastern and western ghats. <br> b)50,000 strains of rice in India. <br> c)Presence of deserts, mangroves and coral reefs of India. <br>

asked Apr 8, 2019 by priyanka.clay6

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Lantana & Eichornia are examples of two weeds. How do they affect the ecosystem?

asked Apr 8, 2019 by priyanka.clay6

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There are 34 biodiversity hot spots in the world. What are the criteria of selection of such hot spots?

asked Apr 8, 2019 by priyanka.clay6

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National parks come under 'in situ' conservation while Zoological parks under 'ex situ' conservation. Comment.

asked Apr 8, 2019 by priyanka.clay6

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Amazon forests are regarded are "Lungs of the Planet". Why?

asked Apr 8, 2019 by priyanka.clay6

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Seeds of different genetic strains are kept for long periods in seed banks. Explain the conservative strategy involved in this process.

asked Apr 8, 2019 by priyanka.clay6

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The species diversity of plants is much less than that of animals. What could be the reason for this and figure out how animals achieved greater diversifications ?

asked Apr 8, 2019 by priyanka.clay6

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Would the extinction of one insect pollinator affect the ecosystem? Explain.

asked Apr 8, 2019 by priyanka.clay6

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Columbia located near the equator has nearly 1400 species of birds while new york at 41˚ N has 105 species and Greenland at 71˚ N has only 56 species. Comment.

asked Apr 8, 2019 by priyanka.clay6

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Identify a,b,c and d in the above pie diagram showing global biodiversity of plants. <br>

asked Apr 8, 2019 by priyanka.clay6

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Why is genetic variation important in the plant Rauwolfia vomitoria?

asked Apr 8, 2019 by priyanka.clay6

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What is the expanded for of IUCN?

asked Apr 8, 2019 by priyanka.clay6

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About 20 species of a Cichlid fish became extinct when a particular fish was introduced in Lake Victoria of Africa. Name the invasive fish.

asked Apr 8, 2019 by priyanka.clay6

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The amazon rain forest is referred to as ‘the lungs of the planet’. Mention any one human activity which causes loss of biodiversity in this region.

asked Apr 8, 2019 by priyanka.clay6

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Write the importance of cryopreservation in conservation of biodiversity

asked Apr 8, 2019 by priyanka.clay6

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Why is India said to have greater ecosystem than Norway?

asked Apr 8, 2019 by priyanka.clay6

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Mention one application of pollen bank. How are pollen stored in the bank?

asked Apr 8, 2019 by priyanka.clay6

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Name the unlabelled areas 'a' and 'b' of the pie chart representing the global biodiversity of invertebrates showing their proportionate number of species of major taxa. <br>

asked Apr 8, 2019 by priyanka.clay6

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Why is tropical environment able to support greater species diversity?

asked Apr 8, 2019 by priyanka.clay6

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What trend is observed in respect of species diversity when we move from equator to poles?

asked Apr 8, 2019 by priyanka.clay6

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a) India has more than 50000 different strains of rice and 1000 varieties of mangoes. <br> b) Western Ghats have a greater Amphibian diversity than the Eastern Ghats.What do you infer from the above two statements?

asked Apr 8, 2019 by priyanka.clay6

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<div>How can you, as an individual , prevent the loss of biodiversity?</div><div>We as individuals c

asked Jul 20, 2017 by pady_1

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<div>Species diversity decreases as we move away from the equator towards the poles. What could be t

asked Jul 12, 2017 by pady_1

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<div>Though the conflict between the humans and wildlife started with the evolution of man, the inte

asked Jul 12, 2017 by pady_1

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Elaborate how invasion of alien species reduces the species diversity of an area?

asked Jul 12, 2017 by pady_1

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What is co-extinction? Explain with a suitable example.

asked Jul 12, 2017 by pady_1

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What are sacred groves and their role in biodiversity conservation?

asked Jul 12, 2017 by pady_1

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Humans benefit from diversity of life. Give two examples.

asked Jul 12, 2017 by pady_1

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What criteria should one use in categorizing a species as threatened?

asked Jul 12, 2017 by pady_1

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Can you think of a scientific explanation, besides analogy used by Paul Ehrlich, for the direct rela

asked Jul 11, 2017 by pady_1

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There is a greater biodiversity in tropical/sub tropical regions than in temperate regions. Explain.

asked Jul 11, 2017 by pady_1

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What characteristics make a community stable?

asked Jul 11, 2017 by pady_1

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Is it true that there is more solar energy available in the tropics? Explain briefly.

asked Jul 11, 2017 by pady_1

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Is it possible that productivity and diversity of natural communities remain constant over a time of

asked Jul 11, 2017 by pady_1

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Define the terms (i) Bioprospecting (ii) Endemism

asked Jul 11, 2017 by pady_1

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