Home
Class 11
BIOLOGY
Why do owls have better night vision tha...

Why do owls have better night vision than day vision?

Text Solution

AI Generated Solution

**Step-by-Step Solution:** 1. **Understanding Owl Vision**: Owls are nocturnal birds, meaning they are active during the night. Their vision is adapted to low-light conditions. 2. **Rod Cells**: The retina of an owl's eye contains a higher number of rod cells compared to cone cells. Rod cells are photoreceptor cells that are highly sensitive to light and allow for vision in dim light. 3. **Cone Cells**: While cone cells are responsible for color vision and function best in bright light, owls have fewer cone cells. This adaptation means they sacrifice some color vision for enhanced night vision. ...
Promotional Banner

Topper's Solved these Questions

  • NEURAL CONTROL AND CO-ORDINATION

    ICSE|Exercise TEST YOUR PROGRESS ( HIGHER ORDER THNKING SKILLS QUESTIONS QUESTIONS (HOTS) )|8 Videos
  • NEURAL CONTROL AND CO-ORDINATION

    ICSE|Exercise NCERT EXERCISES WITH ANSWER |45 Videos
  • NEURAL CONTROL AND CO-ORDINATION

    ICSE|Exercise TEST YOUR PROGRESS ( VERY SHORT ANSWER TYPE QUESTIONS )|72 Videos
  • MORPHOLOGY OF FLOWERING PLANTS

    ICSE|Exercise NCERT TEXTBOOK QUESTIONS WITH SOLUTIONS|25 Videos
  • NEURAL CONTROL AND COORDINATION

    ICSE|Exercise (Review question) long answer|20 Videos

Similar Questions

Explore conceptually related problems

Why do solids have a definite volume?

Why do solids have a definite volume?

Why do tyres have a better griop of the road while going on a level road than while going on an incline?

Why do some plants have to trap insects ?

Snow is a better heat-insulator than ice, why?

Why detergents are better cleansing agents than soaps ? Explain.

Why detergents are better cleansing agents than soaps ? Explain.

Why do solids have a definite shape and volume but not gases?

Why do fire flies glow at night?

Why is wood charcoal a better fuel than wood?

ICSE-NEURAL CONTROL AND CO-ORDINATION -TEST YOUR PROGRESS ( SHORT/LONG ANSWER TYPE QUESTIONS )
  1. State two important functions of medulla oblongata and cerebrum.

    Text Solution

    |

  2. If an optic nerve is cut, what will happen? Give reasons.

    Text Solution

    |

  3. Why do owls have better night vision than day vision?

    Text Solution

    |

  4. The sympathetic and parasympathetic nervous systems are antagonistic i...

    Text Solution

    |

  5. While you are reading a book, you have to move your eyes from word to ...

    Text Solution

    |

  6. Give an example : A vitamin deficiency

    Text Solution

    |

  7. How will hearing be affected if the eustachian tubes get blocked?

    Text Solution

    |

  8. Briefly describe how the following actions take place : The oval w...

    Text Solution

    |

  9. Briefly describe how the following actions take place : The pupil ...

    Text Solution

    |

  10. What will happen if the cerebellum is damaged?

    Text Solution

    |

  11. Distinguish between the following pair : Fenestra rotunda and fenes...

    Text Solution

    |

  12. Distinguish between the following pairs : Adrenergic and cholinergi...

    Text Solution

    |

  13. Grey matter an White matter

    Text Solution

    |

  14. Distinguish between the following pairs : Effects of sympathetic an...

    Text Solution

    |

  15. Distinguish between the following pairs : Conduction of nerve impul...

    Text Solution

    |

  16. Distinguish between the following pairs : Resting potential state a...

    Text Solution

    |

  17. Make a labelled diagram of a vertical section of a mammalian eye. Desc...

    Text Solution

    |

  18. What is the mechanism of hearing ?

    Text Solution

    |

  19. Why do impulses in a neuron travel in one direction only? Trace the se...

    Text Solution

    |

  20. Draw a labelled diagram showing the V.S. of the human brain. State two...

    Text Solution

    |