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Which Of the following is correct...

Which Of the following is correct

A

Population change = ( Birth + Immigration ) - ( Death + Emigration )

B

Population change = ( Birth + Immigration ) + ( Death + Emigration )

C

Population change = ( Birth + Emigration ) + Death + Immigration )

D

Population change = ( Birth - Immigration ) - ( Death + Emigration )

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USHA PUBLICATION-ORGANISMS AND ENVIRONMENT-EXERCISE
  1. The two basic processes which contribute to a decrease in population d...

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  2. Which of the following interactions is / are examples of competition :...

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  3. Which Of the following is correct

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  4. The removal of keystone species will affect :

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  5. Which forest plants control light conditions at the ground ?

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  6. Sal ( Shorea robusta ) forest is a :

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  7. The plant which produces highly poisonous cardiac glycosides is :

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  8. Which helps in maintaining species diversity in a community ?

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  9. The interaction between the organisms of one of the following pairs is...

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  10. The first plants to appear in a badly burnt forest area will most prob...

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  11. Which statements correlate with diagram ?

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  12. Percentage ratio of natality over mortality is :

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  13. In the equation , dN/dt=rN((K - N)/K) r stands for :

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  14. Most animals are tree dwellers in a :

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  15. Which one of the following group of animals is homeothermic ?

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  16. Fill In The blank : Ecolgical Niche concept was given by ……………..

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  17. Fill In The blank : Water loving plants are ……………….

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  18. Fill In The blank : The very common tissue in cortex of hydrophytes ar...

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  19. Fill In The blank : Study about community is known as …………………

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  20. Fill In The blank : The association between Parthenium and roots of ot...

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