Home
Class 11
BIOLOGY
The following substances are the exretor...

The following substances are the exretory products in animals. Choose the least toxic from among them

A

Urea

B

Uric acid

C

Ammonia

D

Carbon dioxide

Text Solution

Verified by Experts

The correct Answer is:
B

Nitrogenous waste substances such as ammonia, urea or uric acid are produced during protein metablism according to the species. Small amount of nitrogenous waste substances are also produced during the metabolism of nucleic acids. Ammonia is the most toxic, followed by urea and uric acid. the latter is the least toxic.
Promotional Banner

Topper's Solved these Questions

  • DIGESTION AND ABSORPTION

    NCERT FINGERTIPS|Exercise Digestion And Absorption|137 Videos
  • LOCOMOTION AND MOVEMENT

    NCERT FINGERTIPS|Exercise Locomotion And Movement|139 Videos

Similar Questions

Explore conceptually related problems

Which of the following is the most toxic excretory product?

Which of the following substances has the least ionic character ?

Which of the following substance have least elasticity ?

Choose the correct statement from among the following

Which of the following substances has the least covalent character ?

Choose the incorect statement from among the following:

The organe coloured substance among the following is

NCERT FINGERTIPS-EXCRETORY PRODUCTS AND THEIR ELIMINATION-Excretory Products And Their Elimination
  1. The accompanying figure shows reabsorption of some constituents of glo...

    Text Solution

    |

  2. The diagrams shows vertical sections of kidneys of coypu, brown rat an...

    Text Solution

    |

  3. The following substances are the exretory products in animals. Choose ...

    Text Solution

    |

  4. Filtration of the blood takes place at

    Text Solution

    |

  5. A large quantity of one of the following is removed from our body by l...

    Text Solution

    |

  6. The pH of human urine is approximately

    Text Solution

    |

  7. Which one of the following statements is incorrect?

    Text Solution

    |

  8. Which of the following pairs is wrong ?

    Text Solution

    |

  9. Which one of the following statement is incorrect?

    Text Solution

    |

  10. The condition of accumulation of urea in the blood is termed as

    Text Solution

    |

  11. Which one of the following is also known as antidiuretic hormone?

    Text Solution

    |

  12. Match the terms given in column I with their physiological processes g...

    Text Solution

    |

  13. Match the abnormal conditions given in column A with their explanation...

    Text Solution

    |

  14. We can produce concentrated/dilute urine. This is facilitated by a spe...

    Text Solution

    |

  15. Dialysing unit (artificial kidney) contains a fluid which is almost sa...

    Text Solution

    |

  16. Assertion: Sharks are said to be ammonotelic animals. Reason: Sharks...

    Text Solution

    |

  17. Assertion: Nephrons are of two types: cortical and juxtamedullary acco...

    Text Solution

    |

  18. Assertion: Vasa recta is absent or highly reduced in cortical nephrons...

    Text Solution

    |

  19. Assertion: Glomerular filtration requires expenditure of energy bu kid...

    Text Solution

    |

  20. Assertion: Tubular secretion removes foreign bodies ions and molecules...

    Text Solution

    |