Class XI

In legumes, explosive mechanism is shrinking of
  1. Pericarp
  2. Husk
  3. Micropyle
  4. Radicle
Most thick walls are of
  1. Left atrium
  2. Left ventricle
  3. Right atrium
  4. Right ventricle
Spinal cord and brain together form the
  1. PNS
  2. CNS
  3. White matter of spinal cord
  4. Grey matter
Glucose (C6H12O6) is formed during photosynthesis, by
  1. Getting water through roots
  2. By carbon dioxide entering through stomata
  3. Minerals obtained through fertilizers
  4. By oxygen being used in respiration
 If temperature of surroundings is higher, mammals tend to
  1. Loose more heat to it
  2. Gain heat
  3. Remain indifferent to it
  4. Loose body temperature
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