Elimination of wastes formed during metabolism is called
Digestion
Respiration
Excretion
None of the above
Nephridia open to the outside by
Nephrons
Malpighian tubules
Nephridiopore
None of these
Alkaloids are
Nitrogenous, poisonous compounds
Nitrogen free compounds
Carbon compounds
In which of the following are the largest amounts of nitrogen excreted from a mammalian body?
breath
sweat
urine
faeces
Alkaloid present in the root of Rauwolfia serpentina is
Reserpine
Nimbin
Nicotin
Morphin
The function of flame cells is to
Dissolve the wastes
Produce the wastes
Excrete wastes
Burn the wastes
The anterior part of the ureter is called
Urethra
Calyces
Renal vein
Pelvis
The alkaloid in the leaf of neem is
Morphine
Quinine
Aromatic oils occur in leaves of
Lemon grass
Ocimum
Eucalyptus
All of the above
The function of contractile vacuoles is to
contract and move the animal
maintain osmotic balance
capture food
produce energy
