Home
Class 12
BIOLOGY
Assertion :- Mostly aquatic animals are ...

Assertion `:-` Mostly aquatic animals are ammonotelic.
Reason `:-` Ammonia is the most toxic form and requires large amount of water for its elimination.

A

If both assertion and reason are true and reason is the correct explanation of assertion

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • EXCRETORY PRODUCTS AND THEIR ELIMINATION

    MOTION|Exercise EXERCISE - 4 AIIMS - Assertion & Reason Questions (AIIMLS - 2015)|2 Videos
  • EVOLUTION

    MOTION|Exercise Exercise - 4|31 Videos
  • HUMAN HEALTH AND DISEASE

    MOTION|Exercise Exercise - 4|28 Videos

Similar Questions

Explore conceptually related problems

Aquatic animals are mostly ammonotelic because

How many statements are correct: (a) vasarecta is absent or highly reduced in cortical nephrons (b) ammonia is less toxic as compared to urea and requires large amount of water for its elimination (c) GFR in a healthy individual IS approximately 125 mu minute (d) PCT also help to maintain the pH and ionic balance of the body fluid

Animals which excrete large amount of ammonia are

Assertion : Seeds require water for germination. Reason: Water is the most important requirement for germination of seeds.

Aquatic animals generally are ammonotelic in nature where as terrestrial forms are not. Comment.

Assertion :- All aquatic plants use water for pollination. Reason :- In aquatic habitat water is the only medium for transfer of gametes

Assertion :- Uricotelism is terrestrial adaptation. Reason :- Uric acid is least toxic and can be removed with a minimum loss of water.

Assertion : Molar heat of vaporistion of water is greater then benzene Reason : Molar heat of vaporisation is the amount of heat required to vaporised one mole of liquid at constant temperature.

MOTION-EXCRETORY PRODUCTS AND THEIR ELIMINATION-EXERCISE - 4 AIIMS - Assertion & Reason Questions
  1. Assertion :- The wall of atria release ANF in response to high B.P. an...

    Text Solution

    |

  2. Assertion :- Mostly aquatic animals are ammonotelic. Reason :- Ammon...

    Text Solution

    |

  3. Assertion :- In fish ammonia is excreted by diffusion through gill sur...

    Text Solution

    |

  4. Assertion :- Uricotelism is terrestrial adaptation. Reason :- Uric...

    Text Solution

    |

  5. Assertion :- In PCT all of the essential nutrient and 70-80 percent of...

    Text Solution

    |

  6. Assertion :- When filtrate pass through descending limb of loop of Hen...

    Text Solution

    |

  7. Assertion :- Conditional reabsorption of Na^(o+) and water takes place...

    Text Solution

    |

  8. Assertion :- Mammals have the ability to produce a concentrated urine....

    Text Solution

    |

  9. Assertion :- An increase in glomerular blood pressure can activate the...

    Text Solution

    |

  10. Assertion :- An increase in body fluid volume activate osmoreceptors ,...

    Text Solution

    |

  11. Assertion :- Angiotensin II, activates the adrenall cortex to release ...

    Text Solution

    |

  12. Assertion :- Nearly 99 percent of the filtrate has to be reabsorbed by...

    Text Solution

    |

  13. Assertion :- The primary function of sweat is to facilitate a cooling ...

    Text Solution

    |

  14. Assertion :- The descending limb of loop of Henle is permeable to wate...

    Text Solution

    |

  15. Assertion :- In cortical nephrone, the loop of Henle is too short and ...

    Text Solution

    |

  16. Assertion :- ADH prevents diuresis. Reason :- ADH also affect the ki...

    Text Solution

    |

  17. Assertion :- The JGA plays a complex regulaltory role. Reason :- An...

    Text Solution

    |

  18. Assertion :- Angiotensin II is a powerful vasconstrictor Reason :- A...

    Text Solution

    |

  19. Assertion :- An increase in blood flow to the atria of heart can caus...

    Text Solution

    |

  20. Assertion :- Feedback mechanism for regulartion of kidney involve hypo...

    Text Solution

    |