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The number of individuals of the populat...

The number of individuals of the population who left the habitat and gone elsewhere during the time period under consideration is known as :

A

Immigration

B

Emigration

C

migration

D

natality

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The correct Answer is:
B
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The number of individuals of the population who left the habitat and gone elsewhere during the time period is called :

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A balloon is moving vertically upward with constant acceleration (g/2) in upward direction Particle 'A' was dropped from the balloon and 2 sec later another particle 'B' was dropped from the same balloon. Assume that motion of the balloon remains unaffected. Find the separation distance between 'A' and 'B', 6 sec after dropping the particle 'B'. None of the particles reaches the ground during the time interval under consideration (g=10 m/ sec^2 )

The number of births during a period in the population that are added to the initial density is called natality.

The number of elements known at that time when Mendeleev arranged them in the periodic table was:

TRUEMAN BIOLOGY-ORGANISMS AND POPULASTIONS -Multiple Choice Questions
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  2. Under unfavourable conditions many zooplankton species in lakhs and po...

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  3. The number of individuals of the population who left the habitat and g...

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  4. An interaction between two individuals where one is benefitted while t...

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  5. The logistic population growth is expressed by the equation

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  6. The feature of the xerophytic plant leaves are (I) Leathery surface ...

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  7. Major ecological community of plants and animals extending over large ...

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  8. Organisms restricted to narrow range of temperature are

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  9. Adapative measure to protect against extreme heat by poikilotherms is

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  10. A sedentary sea anemone gets attached to the shell lining of hermit cr...

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  11. A biologist studied the population of rats in a barn. He found that th...

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

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

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  14. An association of individuals of different species living in the same ...

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  15. Most animals that live in deep oceanic waters are:

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  16. In which of the following interaction both partners are adversely affe...

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  17. Gause's principle of competitive exclusion states that:

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  18. When does the growth rate of a population following the logistic model...

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  19. Which of the following is correct for r-selected species ?

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  20. If '+' sign is assigned to benefited interaction '-' sign to detriment...

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