How many organisms in the list given below are autotrophs?

Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces,Trypanosoma, Porphyra, Wolffia

  • [AIPMT 2012]
  • A

    Four

  • B

    Five

  • C

    Six

  • D

    Three

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$I.$ double fertilisation $II.$ triploid endosperm $III.$ Diploid endosperm

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Male and female gametophytes do not have an independent free living existence in

  • [NEET 2020]

Conifers differ from grasses in the

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