Mineral Nutrition In Plants Question 94
Question: Assertion : In Dionaea, each lamina has marginal teeth. Reason : Marginal teeth of Dionaea help in prey capturing.
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:
The upper surface of each lamina lobe of Dionaea contains 3 sensitive spines.
The leaf margin bears 12-20 curved spiny teeth.
The marginal teeth get interlocked.
So the prey cannot escape.
It is digested by the secretion of reddish glands.
BETA
