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In India, human population has higher nu...

In India, human population has higher number of younger age group due to

A

long life span and low birth rate

B

short life span and high birth rate

C

short life span and low birth rate

D

birth rate is equaol to death rate

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The correct Answer is:
B
Orchids growing on tress is an example of epiphytism (commensalism) . Cuscuta is a taotla stem parasite . Algae and fungi in lichens is an example of mutualism.
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TRUEMAN BIOLOGY-ORGANISMS AND POPULASTIONS -Multiple Choice Questions
  1. Habitat together with functions of a species constitute is

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  2. Which mammal excretes solid urine to avoid water loss?

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  3. In India, human population has higher number of younger age group due ...

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  4. Which one of the following is a matching pair of certain organism(s) a...

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  5. Bell-shaped polyonal pyramid indicates

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  6. In a lake , phytoplankton grow in abundance in

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  7. Four major abiotic factors are listed. Choose the option which arrange...

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  8. Read the following given examples (i) Plant - pollinator mutualsim ...

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  9. Consider the following statements A. Stomata are completely absent i...

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  10. If a non poisonous snake of species A, mimics the warning colouration ...

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  11. Plants growing in nutrient poor soils that are not very condusive to m...

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  12. Which of the following adaptations is likely to be observed in arid co...

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  13. In a population showing sigmoid growth form, the population has reache...

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  14. If in a population showing sigmoid growth curve the value of K-N/K is ...

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  15. Carrying capacity of a population is determined by :

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  16. What is true regarding epiphytes

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  17. Species which occupy similar niches in different geographical regions ...

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  18. In respect of many grasses, the presence of bulliform or motor cells i...

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  19. With reference to community ecology, which one of the following descri...

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  20. Which oen of the following compostions of soil best describes the loam...

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