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An example of a seed with endosperm, perisperm and caruncle is 

  • Cotton

  • coffee

  • lily

  • lily


D.

lily

The seeds of castor (Ricinus communis, family -Euphorbiaceae) are endospermic dicot seeds. They possess  endosperm which acts at the food storgage tissue of seed. They also possess perisperm and cruncle.

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Synapsis occurs between 

  • a male and female gamete

  • mRNA and ribosomes

  • spindle fibres and centromere

  • spindle fibres and centromere


Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called

  • xenogamy

  • geitonogamy

  • karyogamy

  • karyogamy


Cotyledons and testa are edible parts of 

  • groundnut and pomegranate

  • walnut and tamarind

  • french bean and coconut

  • french bean and coconut


Wind pollinated flowers are

  • small, brightly coloured, producing large number of pollen grains

  • small, producing large number of dry pollen grains

  • large, producing abundant nectar and pollen

  • large, producing abundant nectar and pollen


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