Home
Class 11
BIOLOGY
World's most problematic aquatic weed is...

World's most problematic aquatic weed is

A

Azolla

B

Wolffia

C

Eichhornia

D

Trapa

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    AAKASH SERIES|Exercise Exercise-I (Soil/land pollution)|10 Videos

  • ENVIRONMENTAL ISSUES

    AAKASH SERIES|Exercise Exercise-I (Radioactive pollution)|41 Videos

  • ENVIRONMENTAL ISSUES

    AAKASH SERIES|Exercise Exercise-I (Air pollution)|42 Videos

  • ECOSYSTEM

    AAKASH SERIES|Exercise EXERCISE-III (PREVIOUS AIPMT/NEET QUESTIONS)|37 Videos

  • HISTOLOGY AND ANATOMY OF FLOWERING PLANTS

    AAKASH SERIES|Exercise EXERCISE - III (PREVIOUS AIPMT/NEET QUESTIONS)|24 Videos

Similar Questions

Explore conceptually related problems

Which aquatic plant is also called world's most problematic aquatic weed and Terror of Bengal.

Given below are four statements each with two blanks. Select the option which correctly fills up the blank in any two statements. (i) Bhopal gas disaster took place on ___ 1994 and this day is now observed as the ____ day in India to make the anniversary of the Bhopal gas disaster. (ii) ____ is a biodergradable pollutant while ___ is a non-biodegradable pollutant while ____ is a non-biodegradable pollutant. (iii) When pollutants are released from a single point it is called ____ pollution, but when it is over a large area, then it is called ____ pollution. (iv) _____ is the world's most problematic aquatic weed, introduced in India for its lovely flowers, also called as ____.

Which of the following is referred to as the world's most problematic aquatic weed?

Name the world’s most problematic aquatic weed. What in the nature of the water body in which the weeds grow abundantly ?

Read the following statements carefully and find the incorrect statements: A. More than 1 percent impurities make domestic sewage unfit for human use. B. Less BOD causes mortality of fish and other aquatic creatures. C. Presence of large amounts of nutrients in water also causes excessive growth of planktonic algae, called an algal bloom. D. Algai bloom causes deterioration of the water quality an decreases fish mortality. E. Some bloom-forming algae are extremely toxic to human beings and animals. F. Eichhornia crassipies is the world's most problematic aquatic weed.

(a) Write down the name of world most problematic aquatic weed palnt. (b) Write down the name of major green house gases

A tumble weed is

Largest of all aquatic ecosystem is

Aquatic reptiles are

One of the world's most poisonous fish toxins is released by

AAKASH SERIES-ENVIRONMENTAL ISSUES-Exercise-I (Water pollution)
  1. High concentrations of accumulated DDT in birds

    Text Solution

    |

  2. Insecticides usually act upon

    Text Solution

    |

  3. Which of the following is called eutrophication? Deterioration of wat...

    Text Solution

    |

  4. Thermal pollution of water bodies is due to discharge of

    Text Solution

    |

  5. When temperature increases dissolved oxygen of water

    Text Solution

    |

  6. Water ( prevention and control of pollution ) Act was passed in the ye...

    Text Solution

    |

  7. Ganga Action Plan for controlling pollution in Ganges started in

    Text Solution

    |

  8. World's most problematic aquatic weed is

    Text Solution

    |

  9. Which of the following causes biomagnification ?

    Text Solution

    |

  10. The expanded form of DDT is

    Text Solution

    |

  11. The green scum seen in the freshwater bodies is

    Text Solution

    |

  12. Match correctly the following and choose the correct option {:(A.,...

    Text Solution

    |

  13. Which one of the following impurities is easiest to remove from wastew...

    Text Solution

    |

  14. Which one of the following diseases in not due to contamination of wat...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  17. Escherichia coli is used as an indicator organism to determine polluti...

    Text Solution

    |

  18. Which of the following is absent in polluted water?

    Text Solution

    |

  19. Lead concentration in blood is considered alarming if it is

    Text Solution

    |

  20. Which of the following is not used for the disinfection of drinking wa...

    Text Solution

    |