Home
Class 12
BIOLOGY
Release of phosphates and nitrates in wa...

Release of phosphates and nitrates in water bodies like lakes lead to:

A

Nutrient enrichment (eutrophication)

B

Reduced algal growth

C

Increased algal growth

D

Increased growth of decomposers

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    CENGAGE BIOLOGY ENGLISH|Exercise ASSERTION-REASONING QUESTIONS|5 Videos
  • ENVIRONMENTAL ISSUES

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES|45 Videos
  • ECOSYSTEM

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES (CHOOSE THE CORRECT OPTION)|41 Videos
  • EVOLUTION

    CENGAGE BIOLOGY ENGLISH|Exercise Archives|38 Videos

Similar Questions

Explore conceptually related problems

addition of phophates and nitrates/fertilizers into water leads to

Explain how does the inflow of large amount of nutrients like phosphates and nitrates into the water body drastically affects the aquatic life there. Name the phenomenon responsible.

Eutrophication in water bodies leads to

Addition of phosphate fertilizers to water bodies cause

A : Nitrate and phosphate discharge in a water body causes eutrophication. R : This increases the inorganic content in water body and hence growth of algal blooms

Select the correct answer from the choice in bracket to complete each sentence. Dissolution of lead nitrate in water is deemed as a - [physical/chemical] change.

Which of the following nitrates are water soluble ?

Which of the following statements regarding eutrophication are correct ? (i) Eutrophication is the natural ageing of a lake by nutrient enrichment of its water. (ii) Pollutants from human activities like effluents from the industries and homes can radically accelerate the aging process of a lake. This phenomenon is called as cultural or accelerated eutrophication. (iii) The plant nutrients responsible for eutrophication are nitrates and phosphates. (iv) These phosphates and nitrates accelerate the growth of algae, which utilise oxygen and may deoxygenate the water to kill the fish and other aquatic animals.

Excessive use of fertilizers often leads to the accumulation of nitrates in water. When this water is utilized by animals, these nitrates,

The effluent from the ………..treatment plant is generally released into natural water bodies like rivers and streams.

CENGAGE BIOLOGY ENGLISH-ENVIRONMENTAL ISSUES-ARCHIVES
  1. Release of phosphates and nitrates in water bodies like lakes lead to:

    Text Solution

    |

  2. In a coal-fired power plant, electrostatic precipitators are installed...

    Text Solution

    |

  3. Which one of the following is not a bioindicator of water pollution?

    Text Solution

    |

  4. Which one of the following is not observed in biodiversity in hot sopt...

    Text Solution

    |

  5. Which of the following is the correct percentage of the two (out of th...

    Text Solution

    |

  6. World Summit on Sustainable Development, 2002 was held in (a) Rio de ...

    Text Solution

    |

  7. About 70% of total global carbon is found in

    Text Solution

    |

  8. A lake near a village suffered heavy mortality of fishes within a few ...

    Text Solution

    |

  9. According to Central Pollution Control Board (CPCB), which particular ...

    Text Solution

    |

  10. Which one of the following is being tried in india as a bio fuel subst...

    Text Solution

    |

  11. Montreal Protocol aims at:

    Text Solution

    |

  12. Chipko movement was launched for the protection of

    Text Solution

    |

  13. Steps taken by the Government of India to control air pollution includ...

    Text Solution

    |

  14. Biochemical Oxygen Demand (BOD) in a river water

    Text Solution

    |

  15. DDT residues are rapidly passed through food chain causing biomagnific...

    Text Solution

    |

  16. Global agreement in specific control strategies to reduce the release ...

    Text Solution

    |

  17. Breeding of crops with high levels of minerals vitamins and proteins ...

    Text Solution

    |

  18. The two gases making highest ralative contribution to the greenhouse g...

    Text Solution

    |

  19. Name one (1) Iinexhaustible resource, (2) Renewable exhaustible resour...

    Text Solution

    |

  20. When domestic sewage mixed with river water

    Text Solution

    |

  21. dB is a standard abbreviation used for the quantitatve expression of

    Text Solution

    |