Class XI

Trace elements do not include
  1. Iodine
  2. Zinc
  3. Manganese
  4. Calcium
 Flood may be an outcome if
  1. Trees do not retain water
  2. Eroded soil gets deposited in rivers and streams
  3. Water levels rise rapidly in rivers
  4. All of these
Spasmodic contraction of muscles that increases body temperature includes
  1. Breathing
  2. Panting
  3. Sweating
  4. Shivering
Cuticlar transpiration
  1. Is same as stomatal transpiration
  2. Helps plant get rid of excess water
  3. Is more common in plants
  4. Looses lesser water as cuticle is relatively impermeable to water
Thickness of lens is altered through
  1. Sclerotic coat
  2. Choroid coat
  3. Ciliary body
  4. Pupil
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