Class XI

 Organelle playing an active part in cell division is called as
  1. Centriole
  2. Chromatin
  3. Nucleoli
  4. Mitochondrion
Oxidation does not involve
  1. Gain of electrons
  2. Addition of oxygen
  3. Loss of hydrogen
  4. Gain of energy
 Renal artery, renal vein and nerves are connected at
  1. Ureters
  2. Urethra
  3. Hilus
  4. Medulla
 Rate of evaporation is decreased through the
  1. Sebaceous glands
  2. Protoplasm
  3. Thick layer of blubber
  4. Hair follicles
Male gonads are known as
  1. Testes
  2. Testis
  3. Ovaries
  4. Ovums
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