Home
Class 12
BIOLOGY
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

Text Solution

Verified by Experts

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.
Promotional Banner

Topper's Solved these Questions

  • NEURAL CONTROL AND COORDINATION

    TRUEMAN BIOLOGY|Exercise MCQ|250 Videos
  • PLANT GROWTH AND DEVELOPMENT AND PLANT MOVEMENTS

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|161 Videos

Similar Questions

Explore conceptually related problems

For human populations, the age pyramids generally show age distribution of males and females both.

Assertion : Age sex structure of human population in countries like France and Germany gives a steep pyramid. Reason : In countries like Sudan and India, the population is increasing at a rapid rate.

Assertion : Age sex structure of human population in countries like France and Germany gives a steep pytamid. Reason : In countries like Sudan and India, the population is increasing at a rapid rate.

[A] : Natural populations are capable of an enormous and rapid increase is numbers but for the most part remain relatively constant in size . [R] : Human interference has led to constancy in the size of the natural populations .

The gene I that controls the ABO blood grouping in human beings has three alleles IA. IB and i (a) How many different genotypes are Likely to be present in human population? (b) Also, how many phenotypes are possibly present?

TRUEMAN BIOLOGY-ORGANISMS AND POPULASTIONS -Multiple Choice Questions
  1. Habitat together with functions of a species constitute is

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  5. Bell-shaped polyonal pyramid indicates

    Text Solution

    |

  6. In a lake , phytoplankton grow in abundance in

    Text Solution

    |

  7. The given figure shows biome distribution with respect to temperature ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  12. Precipitation in an ecosystem represent

    Text Solution

    |

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

    Text Solution

    |

  14. The relationship between the two organsims when grown individually (Se...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. Carrying capacity of a population is determined by :

    Text Solution

    |

  19. What is true regarding epiphytes

    Text Solution

    |

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

    Text Solution

    |