Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Plant Growth and Development question

2001 · Q8
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /NEET
  3. /Biology
  4. /Plant Growth and Development
  5. /2001 · Q8

Plant Growth and Development question

2001 · Q8

NEETBiologyPlant Growth and DevelopmentMCQ+4 / −1
Which hormone breaks dormancy of potato tuber?
  1. A
    Gibberellin
  2. B
    IAA
  3. C
    ABA
  4. D
    Zeatin
View written solutionFree

Correct answer: A

Gibberellin is the hormone that breaks seed/ bud dormancy. The tubers of potato reproduce vegetatively to give rise to new plants. So the dormancy of these tubers can be overcome by applying gibberellins.

PreviousNext

More from Plant Growth and Development

  • If the apical bud has been removed then we observe2000 · MCQ
  • By which action a seed coat becomes permeable to water2000 · MCQ
  • Which hormone is responsible for fruit ripening?2000 · MCQ
  • Read the following statements on plant growth and development. (A) Parthenocarpy can be induced by auxins. (B) Plant growth regulators can be involved in promotion as well as inhibition of growth. (C) Dedifferentiation is a pre-requisite…2025 · MCQ
  • Which one of the following phytohormones promotes nutrient mobilization which helps in the delay of leaf senescence in plants?2025 · MCQ
  • Auxin is used by gardeners to prepare weed-free lawns. But no damage is caused to grass as auxin2024 · MCQ
  • Formation of interfascicular cambium from fully developed parenchyma cells is an example for2024 · MCQ
  • Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus, increasing the yield?2024 · MCQ