Malpighian tubules are
  • Neutrophil
  • Erythrocyte
  • Monocyte
  • Lymphocyte
Animals which excrete urea produced during metabolism of amino acids are
  • Excretory organs of insects
  • Excretory organs of frogs
  • Respiratory organs of insects
  • Endocrine glands of insects
In Amoeba, osmoregulation occurs by
  • Ureotelic
  • Aminotelic
  • Uricotelic
  • Ammonotelic
Which one of the following options shows a correct matching pair?
  • Contractile vacuole
  • Hyaloplasm
  • Ectoplasm
  • Pseudopodia
Which of the following is not a nitrogenous waste?
  • Frog - Uricotelic
  • Man - Ureotelic
  • Fish - Uricotelic
  • Birds - Ammonotelic
The following substances are the excretory products in animals. Choose the least toxic from among them.
  • Purines
  • Allantoin
  • Citrulline
  • Creatinine
A terrestrial animal must be able to
  • Carbon dioxide
  • Ammonia
  • Uric acid
  • Urea
Which of the following is common to the kidneys and the skeleton in mammals?
  • Excrete a large amount of water
  • Excrete a large amount of salts in urine
  • Actively pump salts out through the skin
  • Conserve water
The renal corpuscle can be divided into
  • Pelvis
  • Medulla
  • Cortex
  • Radius
The proximal convoluted tubule (PCT) is lined with
  • Arteriole and glomerulus
  • Arteriole and Bowman's capsule
  • Bowman's capsule and glomerulus
  • Afferent and efferent arterioles
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