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

Sexual Reproduction in Flowering Plants question

2018 · Q62
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. /Sexual Reproduction in Flowering Plants
  5. /2018 · Q62

Sexual Reproduction in Flowering Plants question

2018 · Q62

NEETBiologySexual Reproduction in Flowering PlantsMCQ+4 / −1
Which of the following has proved helpful in preserving pollen as fossils?
  1. A
    Pollenkitt
  2. B
    Cellulosic intine
  3. C
    Oil content
  4. D
    Sporopollenin
View written solutionFree

Correct answer: D

Sporopollenin cannot be degraded by enzyme; strong acids and alkali, therefore it is helpful in preserving pollen as fossil.

PreviousNext

More from Sexual Reproduction in Flowering Plants

  • Winged pollen grains are present in2018 · MCQ
  • Double fertilization is2018 · MCQ
  • Functional megaspore in an angiosperm develops into an2017 · MCQ
  • Flowers which have single ovule in the ovary and are packed into inflorescence are usualy pollinated by2017 · MCQ
  • A dioecious flowering plant prevents both2017 · MCQ
  • Attractants and rewards are required for2017 · MCQ
  • Double fertilisation is exhibited by2017 · MCQ
  • The coconut water from tender coconut represents2016 · MCQ