Class XI

Atherosclerosis causes
  1. Fatty deposits on inner wall of arteries
  2. Lumen becoming narrower
  3. Blockage in blood vessels
  4. All of these
Number of sepals in Clitoria flowers are
  1. 4
  2. 5
  3. 6
  4. 7
Due to short distance between lungs and heart, walls of right ventricle are
  1. Thicker than left ventricle
  2. Thinner than left atrium
  3. Thicker than right atrium
  4. Thinner than left ventricle
Plant wilts when leaf
  1. Looses its central nucleus
  2. Looses its central vacuoles
  3. Looses its turgor pressure
  4. Exposed to strong wind
Purpose of endocrine glands is to secrete hormones
  1. Inside body
  2. Outside body
  3. Over body
  4. In air
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