Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Plant Growth and Development question

2015 · Q2
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /NEET
  3. /Biology
  4. /Plant Growth and Development
  5. /2015 · Q2

Plant Growth and Development question

2015 · Q2

NEETBiologyPlant Growth and DevelopmentMCQ+4 / −1
What causes a green plant exposed to the light, on only one side, to bend towards the source of light as it grows?
  1. A
    Light stimulates plant cells on the lighted side to grow faster.
  2. B
    Auxin accumulates on the shaded side, stimulating greater cell elongation there.
  3. C
    Green plants need light to perform photosynthesis.
  4. D
    Green plants seek light because they are photoreopic.
PreviousNext

More from Plant Growth and Development

  • Typical growth curve in plants is2015 · MCQ
  • Dr. F. went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly-cut coleoptile stumps. Of what significance is this experiment?2014 · MCQ
  • Which one of the following growth regulators is known as 'stress hormone'?2014 · MCQ
  • A few normal seedlings of tomato were kept in a dark room. After a few days they were found to have become white -coloured like albinos. Which of the following terms will you use to describe them?2014 · MCQ
  • The pineapple which under natural condition is difficult to blossom has been made to produce fruits throughout the year by application of2013 · MCQ
  • During seed germination its stored food is mobilized by2013 · MCQ
  • Vernalization simulates flowering in2012 · MCQ
  • Which one of the following generally acts as an antagonist to gibberellins?2012 · MCQ