Class IX

Ovary and ovules form the
  1. fruit
  2. non-endospermic seeds
  3. provide food to growing cotyledons
  4. shell of hard fruits
Primary sexual characteristic in males include
  1. Primary sexual characteristic in males include
  2. growth of facial and pubic hair
  3. maturation of sex organs
  4. all of these
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
System of classification was invented in
  1. 1509
  2. 1859
  3. 1753
  4. 1903
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
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