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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

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

B

2)its population growth curve is of J-type

C

3)the population of its predators increases enormously

D

4)S-shaped or sigmoid 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. A country with a high rate of population growth took measures to reduc...

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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. Given is a graph showing organismic response of 3 types , A,B,C F...

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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 s...

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  16. Consider the following statements (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 are called

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

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

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