Class IX

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
Basal metabolic rate shall be measured while a person is
  1. jogging
  2. going to work
  3. resting
  4. sweating
Red blood cells (RBCs)
  1. have nucleus
  2. can repair damage through new protoplasm
  3. are destroyed in spleen
  4. are permanent cells
System of classification was invented in
  1. 1509
  2. 1859
  3. 1753
  4. 1903
Ovary and ovules form the
  1. fruit
  2. non-endospermic seeds
  3. provide food to growing cotyledons
  4. shell of hard fruits
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