Class IX

Outside host cells, viruses do not
  1. replicate
  2. feed
  3. respire
  4. all of these
Postum is a replacement of
  1. nicotine
  2. caffeine
  3. alcohol
  4. penicillin
Viruses attacking bacterial cells are
  1. bacterioplasts
  2. bacteriocytes
  3. bacteriophages
  4. saprophytes
Loss of excess water is called as
  1. transpiration
  2. translocation
  3. energy lost in active transport
  4. energy lost in protecting stomata
If male and female flowers are borne on different plants, plant is called
  1. bisexual
  2. dioecious
  3. unisexual
  4. trisexual
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