Class IX

Sol-state of protoplasm is
  1. semi-solid state
  2. liquid state
  3. solid
  4. gaseous liquid
Since formation of sperms requires a temperature below body temperature,
  1. testes lie in scrotal sacs
  2. more water intake is advised for mature males
  3. scrotal sacs are pouch like hanging extensions
  4. scrotal sacs are between thighs
Function of lodicules is to
  1. help stigma emerge
  2. help anthers emerge
  3. help sepals emerge
  4. both A and B
In absence of selective reabsorption, a person
  1. will not need to urinate
  2. many toxic wastes will be retained in ultrafiltration
  3. will dehydrate
  4. proteins and fats will be restored in body
Hydrogen (H2) and oxygen (O2) are obtained through
  1. stomatal pores
  2. water lining on mesophyll layer
  3. photolysis of water
  4. water plant intakes through roots
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