Home
Class 12
BIOLOGY
Go through the following statements (...

Go through the following statements
(i) The cambium is generally more acitve on the inner side than on the outer.
(ii) The autunn wood is darker and has a higher density than spring wood.
(iii) In stem, the secondary xylem shows distinction into protoxylem and metxylem and occurs in the from of patches.
(iv) The tracheids and vessels of the sapwood get plugged by the ingrowth of the adjacent parenchyma cells into thier cavities called tyloses.
Which of theses are correct ?

A

(i), (ii) & (iii)

B

(i), (ii) & (iv)

C

(i) and (ii)

D

(i), (iii) & (iv)

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • AIPMT-2014(HUMAN PHYIOLOGY )

    TRUEMAN BIOLOGY|Exercise MCQs|19 Videos
  • Animal Kingdom

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|48 Videos

Similar Questions

Explore conceptually related problems

The tracheids and vessels of this wood get plugged by the ingrowth of the adjacent parenchyma cells

What is the position of protoxylem in secondary xylem ?

when one wood is lighter in colour with lower density, the other wood is darker with higher density. They are

Assertion : Typloses plug the tracheids and vessels. Reason : Tylosers are in growth of xylem cells.

vascular cambium from xylem on inner side and phloem on outer side due to

Differentiate between spring wood and autumn wood

Amount of secondary xylem is more than secondary phloem because

autumn wood is distinguishable from spring wood in having

Assertion: The spring woood is lighter in colour and has a higher denistiy wheras the autumn wood is darker and has a lower density . Reasons: In the spring season, cambium is less active while in winter the cambium is very active

TRUEMAN BIOLOGY-ANATOMY OF FLOWERING PLANTS -MULTIPLE CHOICE QUESTIONS
  1. Go through the following matches {:((i),"Primary dicot stem",-"Scler...

    Text Solution

    |

  2. Go through the following matches {:((i),"Primary diocot stem",-"Scle...

    Text Solution

    |

  3. Go through the following statements (i) The cambium is generally mo...

    Text Solution

    |

  4. Radial conduction of water and food material in the woody stems is the...

    Text Solution

    |

  5. Intercalary meristem is derived from

    Text Solution

    |

  6. Anatomically fairly old dicotyledonous root is distinguished from the ...

    Text Solution

    |

  7. The annular and spirally thickened conducting elements generally deve...

    Text Solution

    |

  8. In barely vascular bundles are

    Text Solution

    |

  9. Which one of the following is not a lateral meristem

    Text Solution

    |

  10. heart wood differs from sapwood in

    Text Solution

    |

  11. An example of monocots showing secondary growth in stem is

    Text Solution

    |

  12. Bulliform or motor cells take part in

    Text Solution

    |

  13. Heart wood is the

    Text Solution

    |

  14. Some vascular bundles are described as open because these

    Text Solution

    |

  15. In kranz anatomy, the bundle sheath cells have

    Text Solution

    |

  16. Ground tissue includes

    Text Solution

    |

  17. In land plants the guard cells differ from other epidermal cells in ha...

    Text Solution

    |

  18. The cork cambium, cork and secondary cortex are collectively called

    Text Solution

    |

  19. Which of the following meristem calssification is based on position in...

    Text Solution

    |

  20. Which is not true for anatomy of the Dicot stem ?

    Text Solution

    |