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

2003 · Q12
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. /2003 · Q12

Plant Growth and Development question

2003 · Q12

NEETBiologyPlant Growth and DevelopmentMCQ+4 / −1
Differentiation of shoot is controlled by
  1. A
    high auxin : cytokinin ratio
  2. B
    high cytokinin : auxin ratio
  3. C
    high gibberellin : auxin ration
  4. D
    high gibberellin : cytokinin ratio.
View written solutionFree

Correct answer: B

Differentiation of root is controlled by high auxin concentration. While in tissue culture, auxin concentration is made high to promote rooting.

PreviousNext

More from Plant Growth and Development

  • Nicotiana sylvestris flowers only during long days and N.tabacum flowers only during short days. If raised in the laboratory under different photoperiods, they can be induced to flower at the same time and can be cross-fertilized to…2003 · MCQ
  • Coconut milk factor is2003 · MCQ
  • Dwarfness can be controlled by treating the plant with2002 · MCQ
  • Seed dormancy is due to the2002 · MCQ
  • Which plant is LDP?2001 · MCQ
  • Which of the following prevents the fall of fruits?2001 · MCQ
  • Hormone responsible for senescence is2001 · MCQ
  • Which hormone breaks dormancy of potato tuber?2001 · MCQ