Home
Class 12
BIOLOGY
[A] : Senescence occurs in all non meris...

[A] : Senescence occurs in all non meristematic cells.
[B]: Meristems are potentially immortal.

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

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • Plant Morphology & Reproduction

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|59 Videos

  • PRINCIPLES OF INHERITANCE AND VARIATIONS

    TRUEMAN BIOLOGY|Exercise MCQs|322 Videos

Similar Questions

Explore conceptually related problems

Senescence takes place in all non-meristematic cells.

Meristematic cells are characterised by all except

Which type of cell division occurs in meristematic cell of root apex?

All the given properties are found in the meristematic cell except

All statements given are exclusive characters of meristematic cells, except

What all changes occur when shoot apical meristem converts into floral meristem?

Pick up the correct statement : (a) Mitosis occurs in somatic cells and meiosis in germ cells (b) DNA replicates once in mitosis and twice in meiosis (c) Mitosis and meiosis occur both in sexually and asexually reproducing organisms.

Read the following statement regarding meristematic sale and select the CORRECT ones (i) shoot apical meristem occupies the distant most region of the stem axis. (ii) The meristem which occurs between mature tissues is known as intercalary meristem. (iii) Both apical meristems and intercalary meristems are secondary meristems.

TRUEMAN BIOLOGY-Plant Physiology -ASSERTION AND REASON
  1. Assertion: Sigmoid growth curve consists of four parts. Reason : La...

    Text Solution

    |

  2. [A] : 2,4-D is a herbicide [R] : It is not used during showing of cr...

    Text Solution

    |

  3. [A] : Nastic movements occur in the directions of stimuls [R] : "Tou...

    Text Solution

    |

  4. [A] : Germinating seeds which store fats as reserve food material are ...

    Text Solution

    |

  5. [A] : Gibberellic acid , when added to isolated aleurone , induce amyl...

    Text Solution

    |

  6. [A] : When apical bud is removed, the next axial bud begins to grow ou...

    Text Solution

    |

  7. [A]: Xanthium will not flower if the long dark period is interrupted b...

    Text Solution

    |

  8. [A]: Senescence is induced by the applica- tion of cytokinin in plants...

    Text Solution

    |

  9. Assertion : A correct concentration of auxin and cytokinin is required...

    Text Solution

    |

  10. [A]: The endogenous level of plant hormones is measured by Bioassay te...

    Text Solution

    |

  11. [A] : Bolting of rosette plants is caused by Gibberellins. [R]: Gibb...

    Text Solution

    |

  12. [A] : Cytokinins help in the retention of chloro- phyll and delay sene...

    Text Solution

    |

  13. [A]: Plants hormones are called phytohor- mones [R]: They increase ...

    Text Solution

    |

  14. [A] : Senescence occurs in all non meristematic cells. [B]: Meristem...

    Text Solution

    |

  15. Assertion . Senescence is the time when age associated defects are man...

    Text Solution

    |

  16. Assertion: Photosynthetically C(4) plants are less efficient than C(3)...

    Text Solution

    |

  17. Assertion. The atmospheric concentration of CO(2) at which photosynthe...

    Text Solution

    |

  18. Asserotion: C(4) photosynthetic pathway is more efficient than the C(3...

    Text Solution

    |

  19. Assertion : Photomorphogenetic responses are controlled by the pigment...

    Text Solution

    |

  20. [A] : Some plants flower only in summers & some only in winters. [R]...

    Text Solution

    |