1.

List out the functions of tapetum.

Answer»
  • It supplies nutrition to the developing microspores.
  • It contributes sporopollenin through ubisch bodies thus plays an important role in pollen wall formation.
  • The pollenkitt material is contributed by tapetal cells and is later transferred to the pollen surface.
  • Exine proteins responsible for ‘rejection reaction’ of the stigma are present in the cavities of the exine. These proteins are derived from tapetal cells.


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