Class IX

Effects of adrenaline are
  1. short-lived
  2. long-term
  3. involuntary
  4. sudden
Rod-shaped bacterium is referred to as
  1. cocci
  2. bacilli
  3. spirilla
  4. vibrio
Oxygenated blood
  1. leaves from left side of heart
  2. leaves from right side of heart
  3. does not leave lungs
  4. enters lungs from heart
Biology enables us to carry out comparative study between
  1. Humans and animals
  2. Humans and universe
  3. Humans and minerals
  4. Living things and non-living things
Systematic circulation
  1. carry blood to left side of heart
  2. carry blood to right side of heart
  3. oxygenated blood from lungs to heart
  4. red oxygenated blood
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