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Quinine is extracted from the bark of :

  • Neem
  • Cedar
  • Eucalyptus
  • Cinchona

Answer: Option D

Similar Questions :

1. Placenta is the structure formed :

  • by fusion of germ layers
  • by foetus only
  • by the union of foetal and uterine tissue
  • by uterine only

Answer: Option C

2. Rubber is obtained from ?

  • cell sap
  • latex
  • gun
  • resin

Answer: Option B

3. What is pH value of human blood ?

  • 7
  • 7.2
  • 7.4
  • 7.8

Answer: Option C

4. The disease caused by deficiency of protein in children is called

  • Pellagra
  • Marasmus
  • Beri-Beri
  • Rickets

Answer: Option B

5. Plants absorb dissolved nitrates from soil and convert them into :

  • Free nitrogen
  • Urea
  • Proteins
  • Ammonia

Answer: Option A

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