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.