Class IX

Renal pelvis is enlarged portion of
  1. renal artery
  2. renal vein
  3. hilus
  4. ureters
Cadmium is an example of
  1. organic waste
  2. inorganic waste
  3. nitrogenous waste
  4. carbonic waste
Spinal nerve
  1. contains only receptor neurons
  2. contains only effector neurons
  3. is attached dorsally to medulla oblongata
  4. is a mixed nerve
Outermost covering in animals is called as
  1. epithelium
  2. mesophyll
  3. lignin
  4. all of these
Distance between stigma and anthers in same flower,
  1. reduces chances of self pollination
  2. enhances chances of self pollination
  3. reduces chances of cross pollination
  4. enhances chance of cross pollination
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