Home
Class 12
BIOLOGY
[A]: Dicot stem shows secondary growth. ...

[A]: Dicot stem shows secondary growth.
[R]: Tissue system is not differentiated in di- cot stem.

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:
C
Promotional Banner

Topper's Solved these Questions

  • PLANT KINGDOM

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTION|247 Videos
  • Plant Physiology

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|91 Videos

Similar Questions

Explore conceptually related problems

An example of monocots showing secondary growth in stem is

In roots and stems, secondary growth takes place after the formation of

Which is not true for anatomy of the Dicot stem ?

Explain the process of secondary growth in stems of woody angiosperm with help of schematic diagrams. What is the significance?

[A] : Foliose lichens show similarity with dicot leaves [R] : They bear rhizines .

Read the following four statements (A-D) (A) Both, photophosphorylation and oxidative phoshorylation involve up hill transport of protons across the membrane (B) In dicot stems, a new cambium originates from the cell of pericycle at the time of secondary growth (C ) Stamens in flowers of Gloriosa and Petunia are polyandrous (D)Symbiotic nitrogen-fixers occur in the free-living state also in soil How many of the above statements are right

After the commencement of secondary growth in dicot stem, the primary xylem would be observed to occupy a position on the

The substance that accelerates the growth in the stem is

In dicot root, cambium develops from secondary meristem. First to happen during secondary growth is

TRUEMAN BIOLOGY-Plant Morphology & Reproduction -ASSERTION AND REASON
  1. [A]: The inner most distinict layer of the cortex is called endomermi...

    Text Solution

    |

  2. [A]: Gramineous type of stomata are found in Gramineae and Cyperaceae....

    Text Solution

    |

  3. [A]: lntercellular spaces are found in meristematic cells [R]: The m...

    Text Solution

    |

  4. [A]: Monocot stem has collateral open vascu- lar bundle. [R]: Open ...

    Text Solution

    |

  5. [A]: Root system in hydrophytes is poorly de- veloped. [R]: The con...

    Text Solution

    |

  6. [A]: Aerenchyma is a characteristic of litho- phyte. [R]: It is a sp...

    Text Solution

    |

  7. [A]: Protostele is most simple primitive type of stele. [R]: Accordi...

    Text Solution

    |

  8. [A]: Rubber is obtained from the latex of Hevea brasiliensis. [R]: B...

    Text Solution

    |

  9. [A]: No fibres are found in plants. [R]: Xylem vessels are absent ...

    Text Solution

    |

  10. [A]: Sclerenchyma cells are rarely found in plants. [R]: Sclerencym...

    Text Solution

    |

  11. [A]: Hanstein's dermatogen is not eqyivalent to Haberlandt's Protoderm...

    Text Solution

    |

  12. [A]: Trichomes may occur on all parts of a plant. [R]: Trichomes ei...

    Text Solution

    |

  13. [A]: The vascular cambium is absent in monocots. [R]: The monocots ...

    Text Solution

    |

  14. [A]: In the hydrophytes the Xylem is not differ- entiated into differe...

    Text Solution

    |

  15. [A]: Dicot stem shows secondary growth. [R]: Tissue system is not d...

    Text Solution

    |

  16. given below are assertion and reson. Point out if Assertion . In woo...

    Text Solution

    |

  17. [A]: The inner most distinct layer of the cortex is called endodermis...

    Text Solution

    |

  18. [A]: Sieve tube members have abundant cy- toplasm but there is no nucl...

    Text Solution

    |

  19. Assertion : In collateral vascular bundles phloem is situated toward ...

    Text Solution

    |

  20. [A]: Xylem translocates water and dissolved mineral salts from the roo...

    Text Solution

    |