alleryStart learning →Home › Bihar Board Class 12 (Science) › Biology › Sexual Reproduction in Flowering Plants › Pollen grains preserve well as fossils because t…
Pollen grains preserve well as fossils because their exine contains
ACellulose fibres
BSporopollenin
CPectin layers
DLignin deposits
Answer & Solution
Correct answer: B. Sporopollenin
Sporopollenin is among the most resistant organic materials known and no enzyme is known to degrade it, so pollen survives as fossils.
Related questions
Which tissue, found at stem and root tips, makes vegetative propagation possible by constaIn tissue culture, the mass of developed tissue grown from plant cells in a sterile mediumWhat is the main drawback of relying on vegetative propagation?Plants produced by vegetative propagation are genetically what, compared with the parent?In grafting, the desired cutting attached to a rooted plant is called what?Which of these is a root tuber used in vegetative propagation?How do corms differ from bulbs in their structure?Which modified stem, such as in strawberry, grows just below the soil surface and produces