Home
Class 12
BIOLOGY
Identify the correct pair of combination...

Identify the correct pair of combination
(i) Zeatin - adenine derivative - overcoming apical dominance
(ii) `C_(2)H_(4)` - indole compound - effective in fruit ripening
(iii) ABA - carotenoid derivative - induction of parthenocarpy
(iv) `Ga_(3)` - terpene - bolting in cabbage

A

ii, iii

B

ii, iv

C

i, iv

D

iii, iv.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • Plant Growth and Movements

    DINESH PUBLICATION|Exercise CYG|14 Videos

  • Plant Growth and Movements

    DINESH PUBLICATION|Exercise BRAIN TEASERS-IV|41 Videos

  • Plant Growth and Movements

    DINESH PUBLICATION|Exercise BRAIN TEASERS-IV|41 Videos

  • PLANT BREEDING AND DISEASE CONTROL

    DINESH PUBLICATION|Exercise MCQ|244 Videos

  • PLATYHELMINTHES-THE FLAT WORMS

    DINESH PUBLICATION|Exercise check your grasp|9 Videos

Similar Questions

Explore conceptually related problems

Read the given statements and select the option that correctly identifies the incorrect ones. (i) Cytokinin is primarily concerned with cell division. (ii) C_(2)H_(4) breaks seed and bud dormancy (iii) ABA stimulates the opening of stomata. (iv) C_(2)H_(4) initiates germination in peanut seeds, sprouting of potato tubers. (v) ABA is synergistic to GA.

match the columns. Column I (PGR) a. Auxins, b. Abscisic acid, c. Gibberellic acid, d. Cytokinins. Column II (chemical composition) (i) adenine derivatives, (ii) terpenes, (iii) indole compounds, (iv) Carotenoid derivatives

Identify the total number of following compounds which liberate CH_(4) gas on reaction with CH_(3)MgCl (i) H_(2)O (ii) CH_(2)=CH_(2) (iii) Me-C-=C-H

Identify the correct pair of combinations I. Parbhani Kranti-Resistance to Virus-Bhindi II. Pusa Gaurav-Resistance to aphids-Mustard III. Pusa Sadabahar- Resistance to fruit borer-Cow pea IV. Pusa Shubhra-Resistance to white rust - Cauliflower

(I) C_(2)H_(4) promotes leaf senescence. (II) C_(2)H_(4) speeds the ripening of fruits. (III) C_(2)H_(4) causes apical hook formation. (IV) C_(2)H_(4) promotes horizontal growth of seedling and swelling of axis (V) C_(2)H_(4) romotes male flowers in cucumber, thereby increasing the yield Which one is false ?

An aromatic compound X with molecular formula C_(9)H_(10)O gives following chemical tests: (i) Form 2,4-DNP derivative (ii) Reduces Tollen's reagent (iii) undergoes Cannizzaro's reaction (iv) On vigorous oxidation 1, 2-Benzene dicarboxylic acid is obtained The compound X is ,

From the following , choose the ionic compounds : (i) CaCl_(2) (ii) C Cl_(4) (iii) KCl (iv) H_(2)S

DINESH PUBLICATION-Plant Growth and Movements-RQ
  1. The hormone that promotes rapid elongation of intermodes or leaf base ...

    Text Solution

    |

  2. Assertion (A). Ethylene induces ripening Reason (R). Ethylene is a g...

    Text Solution

    |

  3. Identify the correct pair of combination (i) Zeatin - adenine deriva...

    Text Solution

    |

  4. Match the columns and find the correct option {:("(a) Munch"," (...

    Text Solution

    |

  5. Gibberellin facilitates seed germination by triggering the synthesis o...

    Text Solution

    |

  6. The inhibitory effect of red light on flowering during critical dark ...

    Text Solution

    |

  7. In hyponasty, the bud will remain

    Text Solution

    |

  8. Seed dormancy can be broken be broken by

    Text Solution

    |

  9. Plants which disregard the requirement of a definite day length for fl...

    Text Solution

    |

  10. Seedless fruits can be induced by

    Text Solution

    |

  11. Seed domarncy can be broken by the following combination of chemicals

    Text Solution

    |

  12. Which of the following are related to the process of flowering

    Text Solution

    |

  13. Which of the following is not a natural auxin

    Text Solution

    |

  14. Biosynthesis of cytokinin takes place via

    Text Solution

    |

  15. If a short day plant is given ten hours light and fourteen hour darkne...

    Text Solution

    |

  16. Match and find the correct match {:(" I"," II"),("(a...

    Text Solution

    |

  17. Horizontal growth of seedlings, swelling of axis and apical hook form...

    Text Solution

    |

  18. The cells derived from meristems differentiate and regain the capacity...

    Text Solution

    |

  19. Identify the incorrect statement about ABA growth regulator

    Text Solution

    |

  20. Which of the following prevents falling of fruits OR Fruit and lea...

    Text Solution

    |