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Plant Kingdom — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYPlant Kingdom5 Marks
Question
Suresh a biology student of class XI have shortness of breath and bronchial inflammation for two weeks, when he visited to doctor, the doctor suggests him to take ephedrine. He got amazed about the utility of gymnosperms.
  1. What are gymnosperms?
  2. The drug ephedrine is used to treat what types of ailments.
  3. Mention other products of therapeautic use from gymnosperms.
  4. What values lie in Suresh's query?
✓

Answer

  1. Gymnosperms are archegoniate, non-flowering, seeded plants, e.g., Cycas, Pinus, Ephedra.
  2. Ephedrine is used to treat asthma and other respiratory ailments. It is produced by Ephedra, a member of gymnosperm and class-Gnetopsida.
  3. The resinous oil of pine, fir and spruce are used as freshners and disinfectents. The "Taxol' from the bark of yew (Taxus) is used in cancer treatment.
  4. Suresh has the inclination towards innovation and interest for natural remedies of health ailments.

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