Class IX

If a substance accumulates in a body for a long time, it will be
  1. passed out through egestion
  2. passed out through excretion
  3. passed out through excretion
  4. passed on to next consumer in food chain
Hemophilia refers to
  1. blood deficiency
  2. failure to blood clotting
  3. a disturbance in bone marrow
  4. excess of thrombokinase
Sperms are nourished and activated
  1. through vas deferens
  2. through seminal vesicle
  3. through semen
  4. through prostate gland
Immunization refers to
  1. engulfing toxins by phagocytes
  2. producing more phagocytes
  3. maintain a level of antibodies to confer immunity
  4. is a severe medical condition
Flowers of grass are usually
  1. Flowers of grass are usually
  2. form inflorescences
  3. form inflorescences
  4. bisexual
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