Assertion: Plasmodium falciparum causes malignant malaria which, if not treated, can be fatal.
Reason: Plasmodium falciparum directly resides in nervous tissue.
1. Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
2. Both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
3. Assertion is true but Reason is false.
4. Both Assertion and Reason are false.