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Botany Questions and Answers

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131. An ecosystem has two components, namely
 
  • A. botic and abiotic
  • B. weeds and trees
  • C. plants and animals
  • D. frogs and man
 
132. Which one of the following lights is necessary of photosynthesis?
 
  • A. red
  • B. green
  • C. white
  • D. blue
 
 
133. Genes are located on
 
  • A. chromosomes
  • B. dictyosome
  • C. lysosome
  • D. ribosome
 
134. Fixation of nitrogen in the soil is done by
 
  • A. virus
  • B. bacteria
  • C. fungus
  • D. protozoa
 
135. The male sex organ is chara is called as
 
  • A. globule
  • B. stamen
  • C. globule
  • D. nucule