Determine the correctness or otherwise of the following $Assertion$ (a) and $Reason$ (r).

$Assertion:$ Plants convert fatty' acids into glucose.

$Reason:$ Plants have peroxisomes.

1. Both (a) and (r) are true and (r) is not the correct reason for (a)
2. Both (a) and (r) are true and (r) is the correct reason for (a)
3. (a) is true but (r) is false
4. (a) is false but (r) is true