Class XI

Zygote with three copies chromosome 21 is known to cause
  1. Hays fever
  2. Scurvy
  3. Parkinson Disease
  4. Downs syndrome
All are functions of hypothalamus, but,
  1. regulation of body temperature
  2. regulation of anti-diuretic hormones
  3. regulation of sleep and emotions
  4. regulation of blood osmotic pressure
Stamens are not usually pendulous in plants pollinated by
  1. wind
  2. insects
  3. water
  4. rain
Sessile flowers have
  1. no scent
  2. irregular shape
  3. no pedicles
  4. no petals
More water is reabsorbed in blood due to
  1. more anti-diuretic hormone
  2. lesser anti-diuretic hormone
  3. active functioning of pancreas
  4. inactivity of pituitary gland
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