Class IX

Bilaterally symmetrical flower is of
  1. Hibiscus
  2. Clitoria
  3. Allamanda
  4. Capsicum
Osmoregulators refers to
  1. regulating salt concentration in blood
  2. regulating water concentration in blood
  3. regulating mineral concentration in blood
  4. both A and B
. When comparing anaerobic (without O2) and aerobic (with O2) respiration, amount of energy yield
  1. is same
  2. less energy yield in aerobic respiration
  3. less energy yield in anaerobic respiration
  4. anaerobic may have more or less energy yield depending on conditions
Blood from posterior part of body is brought back to heart through
  1. hepatic vein
  2. hepatic portal vein
  3. inferior vena cava
  4. superior vena cava
Denatured protein enzymes are but
  1. more soluble
  2. more soluble
  3. easily affected by acids and alkaline substances
  4. sparingly insoluble
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