Class IX

More carbon dioxide (CO2) can be removed from body
  1. if more water is removed from body
  2. if animal has a thick skin
  3. if thinly lined lungs or gills are present
  4. all of these
In germinating seeds, fats are broken down with help of enzyme
  1. In germinating seeds, fats are broken down with help of enzyme
  2. lipase
  3. sucrose
  4. proteases
Upon water absorption, food reserves are
  1. needed to be taken from environment
  2. needed to be broken down
  3. needed to be stored for plomule development
  4. needed for repairs
Stimulus originally ineffective in producing specific response is called as
  1. reflex arc
  2. reflex arc
  3. voluntary actions
  4. conditioned reflex action
In Healthy Diet Pyramid, fruits and vegetables are at the
  1. level 1
  2. level 2
  3. level 3
  4. level 4
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