Home
Class 12
BIOLOGY
Assertion : Mitochondria and chloroplast...

Assertion : Mitochondria and chloroplasts are semiautonomous organelles.
Reason : They are formed by division of pre-existing organelles as well as contain DNA but lack protein synthesizing machinery

A

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

B

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

C

(c) If A is true and R is false

D

(d) If both A and R are false

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • KINGDOM PROTISTA (UNICELLULAR EUKARYOTES)

    TRUEMEN BIOLOGY ENGLISH|Exercise MULTIPLE CHOICE QUESTIONS|185 Videos
  • MICROBES IN HUMAN WELFARE

    TRUEMEN BIOLOGY ENGLISH|Exercise Multiple choice question|142 Videos

Similar Questions

Explore conceptually related problems

Mitochondria and chloroplast are (a) Semi-autonomous organelles (b) Formed by division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery Which one of the following options is correct

Mitochondria and chloroplast are (a) Semi-autonomous organelles (b) Formed by division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery Which one of the following options is correct

Assertion: Chloroplasts are known as semiautonomus cell organelle. Reason: Chloroplast has lipoprotein membrane.

Assertion . Mitochondria and chloroplasts have their own genome Reason . Endoplasmic reticulum and Golgi body are the cell organelles which have their own DNA

Assertion: Spores in mosses are contained within the capsule. Reason: Spores are formed by mitotic division in mosses.

Read the given statements and select the correct option. Statement 1 : Chloroplast and mitochondria are semiautonomous bondies. Statement 2 : Chloroplast and mitochondria have their own DNA and protein synthesising machinery.

Assertion:Mitochondria are believed to originate by growth and division of previously existing ones . Reason:They contain DNA and Ribosomes

Assertion: Extranuclear chromosomes are present in mitochondria and plastids. Reason: They are prochromosomes or organelle chromosomes

Assertion : The cells that have membrane bound organelles are called eukaryotic. Reason : The cells that lack membrane bound organelles are called prokaryotic.

Assertion :- In the same generation for transmission of genetic information RNA is better than DNA. Reason The protein synthesising machinery has evolved around RNA.

TRUEMEN BIOLOGY ENGLISH-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 and 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

    |