Home
Class 12
BIOLOGY
[A] : Rods and cones of retina are modif...

[A] : Rods and cones of retina are modified cilia .
[R] : Cilia are contractile structure in which metachronic and isochronic rhythms produce wave of contractions .

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • KINGDOM PROTISTA (UNICELLULAR EUKARYOTES)

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|191 Videos

  • MICROBES IN HUMAN WELFARE

    TRUEMAN BIOLOGY|Exercise Multiple choice question|144 Videos

Similar Questions

Explore conceptually related problems

An area of the retina which does not have rods of cones is

Which of the following statements is correct about Rods compared to Cones? (i) Rods are most numerous in the fovea. ,br> (ii) Rods contain rhodopsin. (iii) Rods produce general outlines of objects rather than sharp images. (iv) Rods produce black and white but not colour images.

[A] : Hair cells on the basiiar membrane are responsible for hearing. [R]: Pressure waves which begin at the oval window, cause the basilar membrane to vibrate so that the cilia of the hair cells touch the tectorial membrane. This causes hair cells to initiate nerve impulses

TRUEMAN BIOLOGY-Living World -ASSERTION AND REASON
  1. [A] : The lymphocytes have well developed lysosomes . [R] : Because ...

    Text Solution

    |

  2. [A] : Prokaryotes lack Mitochondria. [R] : Their plasma membrane bea...

    Text Solution

    |

  3. [A] : Nuclear membrane of karyotheca forms an envelope-like structure ...

    Text Solution

    |

  4. [A] : The space between nuclear envelope and nucleolus is filled by ka...

    Text Solution

    |

  5. [A] : Leucocytes can digest any thing harmful they eat . [R] : Leuco...

    Text Solution

    |

  6. [A] : The nuclear membrane forms envelope like structure called nuclea...

    Text Solution

    |

  7. [A] : The nuclear envelope is the derivative of membrane of mitochondr...

    Text Solution

    |

  8. [A] : Rods and cones of retina are modified cilia . [R] : Cilia are ...

    Text Solution

    |

  9. [A] : Golgi bodies are dictyosomes are synonymous . [R] : In plants ...

    Text Solution

    |

  10. [A] : Mitochondria have evolved from bacteria . [R] : Mitochondria a...

    Text Solution

    |

  11. [A] : Calcium carbonate crystals are called cystoliths . [R] : The m...

    Text Solution

    |

  12. [A] : F(0) - F(1) - ATPase complex is embedded in inner membrane of mi...

    Text Solution

    |

  13. [A] : Centromere is concerned with splitting of chromosomes . [R] : ...

    Text Solution

    |

  14. [A] : Peroxisomes and basal bodies are called microbodies . [R] : Mi...

    Text Solution

    |

  15. [A] : A microtubule structure that brings about chromosomal movement d...

    Text Solution

    |

  16. [A] : Active transport results in solute movement against a concentrat...

    Text Solution

    |

  17. [A] : Plasma membrane is thin and not visible as a separate layer . ...

    Text Solution

    |

  18. [A] : Pectins are abundant in middle lamella in plant cells . [R] : ...

    Text Solution

    |

  19. Assertion : Mitochondria and chloroplasts are semiautonomous organelle...

    Text Solution

    |

  20. Assertion: Among the primates, chimpanzee is is the closest relative o...

    Text Solution

    |