Concepts of Biodiversity

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Concepts of Biodiversity: Overview

This Topic covers sub-topics such as Biodiversity, Biodiversity and Conservation, Threats to Biodiversity, Genetic Diversity, Species Diversity, Ecological Diversity, Levels of Biodiversity, Biodiversity in India and, Alpha Biodiversity

Important Questions on Concepts of Biodiversity

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India has more than 50,000 strains of rice. Which of the following biodiversity it represents?

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Name the blank spaces a and b in the table given below:

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Which part of the world has a high density of organism?

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Beta diversity is diversity

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In India, we find mangoes with different flavours, colours, fibre content, sugar content and even shelf-life. The large variation is on account of

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Read the following statements and select the correct option from below:

I. Genetically modified crops are more susceptible to natural stress conditions like drought, salinity, etc., as compared to normal crops

II. For the treatment of ADA (adenosine deaminase) deficiency treatment, a functional ADA cDNA was introduced to the lymphocytes of the patient by using lambda phage virus

III. There are more than 3,00,000 rice varieties in India alone

IV. Nitrates, phosphates are easily removed from polluted water in the water treatment plant.

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India has deserts, rain forests, mangroves, coral reefs, wetlands, estuaries, and alpine meadows. Which of the following term will be used to describe such a huge diversity?

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The word " biodiversity " was first coined by

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Which among the following is/are the types of ecological diversity?

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The diversity of organisms sharing the same habitat or community is termed as

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Which of the following is a correct sequence of decreasing order of number of species ?

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The keystone species deserve protection because they

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India’s share in the global species diversity is about

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Identify A and B in the given pie chart that represents the global plant biodiversity?

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Read the following statements and select the correct option that mentions observations shown by David Tilman, who performed a long-term ecosystem experiment using outdoor plots.

(a) Plots with more species showed less year-to-year variation in total biomass.

(b) Plots with less species showed less year-to-year variation in total biomass.

(c) Increased diversity contributed to higher productivity.

(d) Plots with more species showed year to year variation in total rainfall.

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 From the following statements and select the correct option:

A. Out of every 10 animal species on this planet, 7 species are of insects.

B. The number of fungi species in this world is more than the combined total of species of fishes, amphibians, reptiles and mammals.

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Choose the option which indicates mismatched pair:

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Conventional taxonomic methods are not suitable for identifying

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Where can one find maximum biodiversity among the ecosystem mentioned below?

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Which of the following group exhibit more species diversity?