Home
Class 12
BIOLOGY
Algal bloom in lakes...

Algal bloom in lakes

A

Increases the dissolved oxygen

B

Does not affect aquatic creatures

C

Is due to excess growth of water hyacinth

D

Imparts a distinct colour to lakes and deteriorate quality of water

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Algal bloom in a lake

Algal bloom is caused by

Algal blooms are

Algal blooms in winter bodies cause

Assertion: Algal blooms occure in nutrient poor water. Reason: Algal blooms make water unfit for human consumption but cause enormous growth of fish.

Consider the following statements I.Algal blooms are formed by free floating algae II.Algal bloom causes fish mortality and deterioration of water quality III.Water hyacinth the world's most problematic aquatic weed is also called "Terror of Bengal" Which of the statements given above are correct about algal blooms?

Explain the cause of algal bloom in a water body. How does it affect an ecosystem?

Assertion (A): Blue green algae are popular as biofertilisers. Reason (R) : Blue green algae cause algal bloom in polluted water bodies.

The Algal bloom

AAKASH INSTITUTE-TEST 2-EXERCISE
  1. Rivet popper hypothesis was given by

    Text Solution

    |

  2. Which of the following is not an example of in-situ conservation strat...

    Text Solution

    |

  3. Algal bloom in lakes

    Text Solution

    |

  4. The COP-24 on climate change in the year 2018 was held at

    Text Solution

    |

  5. Electrical activities of heart are measured by an instrument known as

    Text Solution

    |

  6. Which of the following is mismatched w.r.t its duration?

    Text Solution

    |

  7. sheath of connective tissue that wraps around several muscle bundles f...

    Text Solution

    |

  8. Read the following given statements and choose the correct option. S...

    Text Solution

    |

  9. Read the following statements. (a) Matrix is very hard and non-pliabl...

    Text Solution

    |

  10. Match the column I and column II w.r.t cockroach and choose the correc...

    Text Solution

    |

  11. Hormone that acts by entering Into nucleus, Interacts with Its recepto...

    Text Solution

    |

  12. A is an age related disorder characterised by decrease in bone mass an...

    Text Solution

    |

  13. All of the following are present in renal cortex, except

    Text Solution

    |

  14. Select the odd one writ, human placenta.

    Text Solution

    |

  15. Maximum life span is a characteristic of (A) and life expectancy is th...

    Text Solution

    |

  16. The shedding of endometrium during menstruation occurs due to decline ...

    Text Solution

    |

  17. Opinion of how many registered medical practitioners Is required for M...

    Text Solution

    |

  18. HIV enters the human cells by recognising the CD4 receptors on their m...

    Text Solution

    |

  19. Choose the Incorrect statement w.r.t cancer.

    Text Solution

    |

  20. The breeding method preferably used in cattle to overcome inbreeding d...

    Text Solution

    |