Morphology Of Flowering Plants Root Stem And Leaf Question 150
Question: Read the assertion and reason carefully:
Assertion : In Bignonia, the terminal leaflets are modified into hooks. Reason : Leaflet of Bignonia is a climber.
Options:
A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
Show Answer
Answer:
Correct Answer: A
Solution:
In Bignonia (Doxantha-unguis-cati) the terminal leaflets of the compound leaves become transformed into three stiff claw-like and curved hooks.
The hooks cling to the bark of the supporting tree very firmly and allow the plant to climb up.