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Biology Past Questions and Answers

Biology Questions

Question 421:
If a flower is protandrous then it
  • A Must be unisexual
  • B Has an undeveloped androecium
  • C Has no androecium
  • D Must be insect-pollinated
  • E Can prevent self pollination
View Answer & Explanation
Question 422:
For pollen to be released in Crotalaria the insect must depress the
  • A Wing
  • B Keel
  • C Standard
  • D Antepetalous stamen
  • E Antesepalous stamen
View Answer & Explanation
Question 423:
Irish potato is a
  • A Bulb
  • B Tap root
  • C Rhizome
  • D Root tuber
  • E Stem tuber
View Answer & Explanation
Question 424:
The characters by which an organism is recognized are termed its
  • A Phenotype
  • B Genotype
  • C Morphology
  • D Anatomy
  • E Physiology
View Answer & Explanation
Question 425:
The hereditary material in a cell is known as
  • A ADP
  • B CNS
  • C RNA
  • D ATP
  • E DNA
View Answer & Explanation