AIIMS 2016
- Exam
- AIIMS
- Year
- 2016
- Subject
- Botany
- Chapter
- Morphology of Flowering Plants
AIIMS 2016 · Botany · Morphology of Flowering Plants
Assertion : In opposite phyllotaxy two leaves are borne on the...
Assertion : In opposite phyllotaxy two leaves are borne on the opposite sides of a single node.
Reason : Opposite phyllotaxy is seen in China rose and Oleander.
Options
- AIf both assertion and reason are true and reason is the correct explanation of assertion.
- BIf both assertion and reason are true but reason is not the correct explanation of assertion.
- CIf assertion is true but reason is false.
- DIf both assertion and reason are false.
Correct answer
C. If assertion is true but reason is false.
Step-by-step solution
In opposite phyllotaxy, two leaves are borne on the opposite sides of a single node e.g., Quisqualis (opposite and superposed) and Calotropis (opposite and decussate). Nerium or Oleander shows whorled type of phyllotaxy and China rose exhibits alternate phyllotaxy.