Class IX

Ovary and ovules form the
  1. fruit
  2. non-endospermic seeds
  3. provide food to growing cotyledons
  4. shell of hard fruits
System of classification was invented in
  1. 1509
  2. 1859
  3. 1753
  4. 1903
Cilia can not remove air and dust particles from lungs and trachea due to
  1. nicotine
  2. carbon monoxide
  3. irritants
  4. Tar
In order to attract insects for pollination
  1. petals are brightly colored
  2. petals are protected by calyx
  3. Epicalyx is essential
  4. petals have large surface area
While testing presence of sugar in urine, strip color changes due to amount of
  1. glucose oxidase
  2. peroxidase
  3. hydrogen per oxide
  4. hydrogen bicarbide
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