The presence of cilia, an oral groove, and food vacuoles, and the absence of chloroplasts in a unicellular organism indicate that the organism carries on

  • [AIIMS 2009]
  • A

    sexual reproduction

  • B

    autotrophic nutrition

  • C

    extracellular digestion

  • D

    heterotrophic nutrition

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Sometimes sepals are modified into hairy structures which are useful in dispersal of seeds. These are called

Dispersal by explosive fruits is shown by

The fruit in Datura is

Assertion : In hemianatropous ovule, the funicle lies parallel to body of ovule.
Reason : Here, body of ovule is rotated by $90^o$.

  • [AIIMS 1999]

Which plant has little distribution Those distributed by