Class IX

Nectar at base of androecium can be reached
  1. by any insect
  2. can cling to wings or feathers of visiting birds and insects
  3. can be sucked only by insects with a long proboscis
  4. by mosquitoes only
Organs producing reproductive cells are called as
  1. gametes
  2. gonads
  3. globules
  4. glands
In Hibiscus and Clitoria, ovary is
  1. inferior
  2. superior
  3. both A and B
  4. posterior
Lactose (C12H22O11) can by hydrolyzed in glucose (C6H12O6) and galactose (C6H12O6) in presence of enzyme
  1. lactase
  2. maltase
  3. sucrose
  4. lipases
. Hair cover is no longer an efficient insulator in
  1. strong winds
  2. water
  3. arctic pole
  4. Alaska
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