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341. A Parenchyma cell which stores ergastic substance is known as
  A.  Idioblast
  B.  Phragmoblast
  C.  Conidioplast
  D.  Chloroplast
     
   
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342. Rhizobium is a kind of
  A.  Photosynthetic bacteria
  B.  Symbiotic bacteria
  C.  Parasitic bacteria
  D.  Saprophytic bacteria
     
   
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343. From which part of Opium plant we get morphine?
  A.  Leaves
  B.  Fruit Coat
  C.  Bark
  D.  Stem
     
   
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344. Number of mitochondria in bacterial cell is
  A.  Zero
  B.  Two
  C.  Many
  D.  One
     
   
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345. In cactus, the spines are the modified
  A.  Stem
  B.  Leaves
  C.  Stipulse
  D.  Buds
     
   
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346. The smallest knwon prokaryotic organism is
  A.  Mycoplasma
  B.  Microcystis
  C.  Bacteria
  D.  Chlorella
     
   
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347. Survival of the fittest' was coined by
  A.  Weismann
  B.  Lamarck
  C.  Mendel
  D.  Darwin
     
   
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348. Myrmecology is study of
  A.  Insects
  B.  Crustaceans
  C.  Ants
  D.  Arthropods
     
   
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349. HIV often changes its shape due to the presence of an enzyme called
  A.  Enterokinase
  B.  Reverse Transcriptase
  C.  Nucleotidase
  D.  Nucleoditase
     
   
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350. In human body, ligaments are made up of
  A.  White fibres and some yellow elastic fibres
  B.  White fibres only
  C.  Yellow fibres only
  D.  Yellow fibres and muscle fibres
     
   
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