Plant Kingdom Question 434
Question: Assertion : Mosses are used as pollution indicators. Reason : They absorb metals.
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:
Rubling and Tyler (1979) showed that air dried mosses can absorb metals.
The accumulation of heavy metal cations in mosses enables them to be used as pollution indicators.