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Fill In The blanks : Annual plants compl...

Fill In The blanks : Annual plants complete their life cycle within very short periods are ……………………

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USHA PUBLICATION-ORGANISMS AND ENVIRONMENT-EXERCISE
  1. Percentage ratio of natality over mortality is :

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

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  3. Most animals are tree dwellers in a :

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

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

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

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

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

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

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  10. Fill In The blank : The association where one is harmed and other is u...

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  11. Fill In The blanks : Adaptation to dry habitats are …………………..

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  12. Fill In The blanks : Annual plants complete their life cycle within ve...

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  13. Distinguish between: Grassland and Savanna

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  14. Distinguish between:Population and community

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  15. Distinguish between:Natality and mortality

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  16. Distinguish between:Immigration and emigration

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  17. Distinguish between:Autotroph and heterotroph

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  18. Distinguish between:Parasite and saprophyte

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  19. Distinguish between:Symbiosis and parasitism

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  20. Distinguish between:Xerophytes and hydrophytes

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