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The population of an insect species sho...

The population of an insect species shows and explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show ?

A

the food plants mature and die at the end of the rainy season

B

its population growth curve is of J-type

C

the populuation of its predators increases enormously

D

S-shaped or sigmond growth of this insect.

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The correct Answer is:
B
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TRUEMAN BIOLOGY-ORGANISMS AND POPULASTIONS -Multiple Choice Questions
  1. After exponential increase, population becomes stagnant. The growth cu...

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  2. Geometric representation of age structure is a characteristic of :

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  3. The population of an insect species shows and explosive increase in n...

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  4. Which one of the following pairs of organisms are exotic species intro...

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  5. Mycorrhiza is found in

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  6. Death rate in the population is represented by

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  7. Reduction in vascular tissue mechanical tissue and cuticle is charac...

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  8. Study the four statement (i-iv) given below and select the two correct...

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  9. Movement of fishes from freshwater to marine water for spawning is

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  10. Which one of the following is most appropriately defined?

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  11. Rhizosphere microflora exhibits:

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  12. Large Woody vines are more commonly found in:

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  13. Considered the following four conditions (A-D) and select the correct ...

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

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  15. Given is the age pyramid of a population. Decide which kind of growth ...

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  16. Consider the following statement (a-d) each with one or two blanks (...

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  17. Tenebrinoid beetles are famous for

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  18. A few organisms which can tolerate and thrive wide range of temperatur...

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  19. Under unfavourable conditions many zooplankton species in lakhs and po...

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

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