How many plants among China rose, Ocimum, sunflower, mustard, Alstonia, guava, Calotropis and Nerium (oleander) have opposite phyllotaxy?

  • [NEET 2013]
  • A

    Three

  • B

    Four

  • C

    Five

  • D

    Two

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Nodes are the region of stem where

In Nepenthes the pitcher is modified

Phyllotaxis is

  • [AIIMS 1996]

Structure of leaf which provide channels of transport for water, minerals and food materials is called

Importance : 

$(i)$ Rhizom

$(ii)$ Stipular tendril