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Which one of the following is categorise...

Which one of the following is categorised as a parasite in true sense

A

The cuckoo (Koel) lays its eggs in crow's nest

B

The female Anopheles bites and sucks blood from humans

C

Human foetus developing inside the uterus draws nourishment from the mother

D

Head louse living on the human scalp as well as laying eggs on the human hair

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The correct Answer is:
D
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GRB PUBLICATION-POPULATION : INTERACTIONS AND ATTRIBUTES-NCERT Corner (Exemplar Problems)
  1. Which one of the following is categorised as a parasite in true sense

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  2. Autecology is the

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  3. Ecotone is

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  4. Biosphere is

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  5. Ecological niche is

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  6. According to Allen's Rule, the mammals from colder climates have

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  7. Salt concentration (salinity) of the sea measured in parts per thousan...

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  8. Formation of tropical forests needs mean annual temperature and mean a...

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  9. Which of the following forest plants controls the light conditions at ...

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  10. What will happen to a well growing herbaceous plant in the forest if i...

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  11. If a population of 50 Paramecium present in a pool increases to 150 af...

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  12. What would be the per cent growth or birth rate per individual per ho...

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  13. A population has more young individuals compared to the older individu...

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  14. What parameters are used for tiger census in our country's national pa...

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  15. Which of the following would necessarily decrease the density of a pop...

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  16. A protozoan reproduces by binary fission. What will be the number of p...

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  17. In 2005, for each of the 14 million people present in a country, 0.028...

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  18. Amensalism is an association between two species where :

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  19. Lichens are the associations of :

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  20. Which of the following is a partial root parasite ?

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  21. Which pne of the following organisms reproduces sexually only once in ...

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