Home
Class 12
BIOLOGY
[A] : Peroxisomes and basal bodies are c...

[A] : Peroxisomes and basal bodies are called microbodies .
[R] : Microbodies use free molecular oxygen like mitochondria.

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|192 Videos
  • MICROBES IN HUMAN WELFARE

    TRUEMAN BIOLOGY|Exercise Multiple choice question|143 Videos

Similar Questions

Explore conceptually related problems

[A] : Study of internal structure is called Anatomy. [R] : It is useful for phylogenetic study.

[A] : Calcium carbonate crystals are called cystoliths . [R] : The main body of a cystolith is a cellulose extension of cell wall in which calcium carbonate is deposited .

Assertion (A): Polyamides are best used as fibres because of high tensile strength. Reason (R) : Strong intermolecular forces (like hydrogen bonding within polyamides) lead to close packing of chains and increase the crystalline character, hence, provide high tensile strength to polymers.

[A] : Mitochondria are called power houses of the cell. [R] : Mitochondria produces ATP by the break-down of carbohydrates into carbon dioxide (of carbohydrates) and water .

For the given statements 'X' and 'Y', which option is the correct option Statement 'X' Red muscle are also called aerobic muscle Statement 'Y' Red muscle posses large amount of mitochondria which can utilise large amount of oxygen stored in them for ATP production.

[A] : Prostaglandins are hormone like molecules produced by many body cells of mammals [R]: Prostaglandins stimulates contraction of smooth muscles, secretion and platelet aggregation.

[A] : Honey bees are social insects known for producing honey and bees wax , and for living in very highly organized colonies . These colonies have hexagonal chambers called cells made up of bees wax . [R] : Cells are used for storing honey and pollen breeds , as well as for rearing the brood.

[A] : Mitochondria synthesize energy rich compounds called ATP . [R] : Mitochondria perform important functions such as oxidation , dehydrogenation and oxidative phosophorylation .

[A] : The energy derived from enzyme-sub-strate interaction , is called energy of formation . [R] : Free energy is the major source of energy used by enzymes to lower the activation energies of reactions .

[A]: The "balloon pump" is used to assist the heart. [R]: Balloon is used when heart is removed from the body.

TRUEMAN BIOLOGY-Living World -ASSERTION AND REASON
  1. [A] : Prokaryotic cell shows no cyclosis. [R] : Eukaryotic cell show...

    Text Solution

    |

  2. [A] : No energy can be released in the cell in the absence of mitochon...

    Text Solution

    |

  3. [A] : Nuclear membrane or 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

    |