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Just as a person moving from Delhi to Sh...

Just as a person moving from Delhi to Shimla. escape the heat for the duration of hot summer, thousands of migratory birds from Siberia and other extremely cold northern regions move to

A

Western Ghat

B

Meghalaya

C

Corbett National Park

D

Keolado National park

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Just as a person moving from Delhi to Shimla to escape the heat for the duration of hot summer, thousands of migratory birds from Siberia and other extremely cold northern regions move to:

Just as a person moving from Delhi to Shimla to escape the heat for the duration of hot summer, thousands of migratory birds from Siberia and other extremely cold northern regions move to:

Which one is famous for hosting thousands of migratory birds coming from Siberia in winter ?

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How much time does the bob of a second.s pendulum take to move from one extreme to the other extreme of its oscillation?

Two rectangular blocks, having identical dimensions, an be arranged either in configuration-I or in configuration-II as shown in the figure. One of the blocks has thermal conductivity k and the other 2k. The temperature difference between the ends along the x-axis is the same in both the configurations. It takes 9s to transport a certain amount of heat from the hot end to the cold end in the configuration-I. The time to transport the same amount of heat in the configuration-II is

Two rectangular blocks, having identical dimensions, an be arranged either in configuration-I or in configuration-II as shown in the figure. One of the blocks has thermal conductivity k and the other 2k. The temperature difference between the ends along the x-axis is the same in both the configurations. It takes 9s to transport a certain amount of heat from the hot end to the cold end in the configuration-I. The time to transport the same amount of heat in the configuration-II is

Consider the following statement (A-D) each with one or two blanks. (A) Some snails go into ______(i)_______ to avoid ______(ii)______ related problems (B) Since small animals have a ______(iii)______ surface area relative to their volume, they tend to lose body heat _____(iv)_____ when it is cold outside. (C) Next to temperature , _____(v)_____ is the most ecologically important environment factor. (D) Every ____(vi)_____ the famous keolado National Park in Rajasthan host thousands of migrating birds. Which one of the following option gives the correct fill ups for the respective blank numbers from (i) to (vi) in the statements ?

A fat person is standing on light plank floating on a calm lake. The person walks from one end to the other on the plank. His friend sitting on the shore watches him and finds that the person hardly moves any distance because the plank moves basckward about the same distance as the person moves on the plank. Explain.

A bird is tossing (flying to and fro) between two cars moving towards each other on a straight road. One car has a speed of 18 km //h while the other has the speed of 27 km //h . The bird starts moving from first car towards the other and is moving with the speed of 36 km //h and when the two cars were separated by 36 km . What is the total distance covered by the bird ? What is the total displacement of the bird ?

ALLEN-ORGANISM & ENVIRONMENT AND DEMOGRAPHY-EXERCISE-II
  1. The organization which publishes the Red List species is

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  2. What gases are produced in anaerobic sludge digesters?

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  3. Just as a person moving from Delhi to Shimla. escape the heat for the ...

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  4. Given below is a simplified model of phos- phorus cycling in a terrest...

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  5. Given below is the representation of the extent of global diversity of...

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  6. A scrubber in the exhaust of a chemical in dustrial plant removes

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  7. If 20J of energy is trapped at producer level, then how much energy wi...

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  8. Which of the following is true-

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  9. Which one of the following shows a pyramid of biomass in a pond ecosys...

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  10. Which one of the following is an example of mutualism ?

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  11. Which of the following is true:-

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  12. Cryopreservation of gametes of threatened species in viable and fertil...

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

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  14. The UN Conference of Parties on climate change in the year 2011 was he...

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  15. Rachel Carson's famous book "Silent Spring" is related to

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  16. Most animals are tree dwellers in a

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  17. In which of the following both pairs have correct combination?

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  18. Vertical distribution of different species occupying different levels ...

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  19. The mass of living material at a trophic level at a particular time is...

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  20. In an ecosystem the rate of production of or- ganic matter during phot...

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