Home
Class 12
BIOLOGY
Algal blooms impart a distinct colour to...

Algal blooms impart a distinct colour to water due to

A

their pigments

B

excretion of coioured substances

C

formation of coloured chemicals in wa- ter facilitated by physiological degrada- tion of algae

D

absorption of light by algal cell wall

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • NCERT Exemplar Questions +2 (ECOSYSTEM)

    TRUEMAN BIOLOGY|Exercise MCQs|20 Videos
  • NCERT Exemplar Questions +2 (EVOLUTION)

    TRUEMAN BIOLOGY|Exercise MCQs|17 Videos

Similar Questions

Explore conceptually related problems

Algal blooms are

Algal bloom in a lake

Algal bloom in lakes

Algal bloom is caused by

Members of which algal class impart red colour to red sea

Alkali metals impart colour to Bunsen flame due to

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

Excessive growth of planktonic algae due to presence of large amounts of nutrients in water causing a distinct colouration of water is known as

The metal ions impart colour of the flame due to:

TRUEMAN BIOLOGY-NCERT Exemplar Questions +2 (ENVIRONMENTAL ISSUES )-MCQs
  1. Non-biodegradable pollutants are created by :

    Text Solution

    |

  2. According to the Central Pollution Control Board, particles that are r...

    Text Solution

    |

  3. The material generally used for sound proffing of rooms like a recordi...

    Text Solution

    |

  4. Compressed Natural Gas (CNG) is

    Text Solution

    |

  5. World's most problematic aquatic weed is

    Text Solution

    |

  6. Which of the following causes biomagni- fication

    Text Solution

    |

  7. The expanded form of DDT is

    Text Solution

    |

  8. Which of the following materials takes the longest time for biodegrada...

    Text Solution

    |

  9. Choose the incorrect statement.

    Text Solution

    |

  10. Among the following which one causes more indoor chemical pollution ?

    Text Solution

    |

  11. The green scum seen in the freshwater bodies is

    Text Solution

    |

  12. The loudness of a sound that a person can withstand without discomfort...

    Text Solution

    |

  13. The major source of noise pollution, world wide is due to:

    Text Solution

    |

  14. Catalytic converters are fitted into automobiles to reduce emission of...

    Text Solution

    |

  15. Why is it necessary to remove sulphur from petroleum products ?

    Text Solution

    |

  16. Which one of the following impuritites is easiest to remove from waste...

    Text Solution

    |

  17. Which one of the following diseases is not due to contamination of wat...

    Text Solution

    |

  18. Nuisance growth of aquatic plants and bloom-forming algae in natural w...

    Text Solution

    |

  19. Algal blooms impart a distinct colour to water due to

    Text Solution

    |

  20. In the textbook you came acroos Three Mile Island and Chernobyl disast...

    Text Solution

    |