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Botany

46. Azadiracta indica is the botanical name of
 
  • A. rice
  • B. neem
  • C. sandal
  • D. turmeric
 
47. What is the main function of RNA?
 
  • A. lipid synthesis
  • B. carbohydrate synthesis
  • C. protein synthesis
  • D. none of these
 
 
48. Paddy straw is stiff because of
 
  • A. silica
  • B. stone cells
  • C. hard fibres
  • D. collenchyma
 
49. The major part of solar radiation is harvested by the
 
  • A. plants
  • B. animals
  • C. human beings
  • D. none of the above
 
50. ----- forest is not affected by biological factors.
 
  • A. tropical
  • B. deciduoud
  • C. evergreen
  • D. coniferous