Class XI

Molecular formula of haemoglobin is
  1. C3032H872O872N780S8Fe4
  2. None of these
  3. C303H168O872N745S6Fe2
  4. C3202H564O542N785S6Fe4
All prokaryotic, unicellular organisms are included under kingdom
  1. Protista
  2. Monera
  3. Animalia
  4. Fungi
The infectious spore-like stage is seen in
  1. Amoeboid protozoans
  2. Sporozoans
  3. Ciliated protozoans
  4. Flagellated protozoans
Base pairs found in 5 turns of DNA spirals are
  1. 20
  2. 50
  3. 100
  4. 112
Which one of the following is fibrous protein?
  1. Hemicellulose
  2. Collagen
  3. Ribozymes
  4. Haemoglobin
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