Toxoids

Q.

Which of the following is true about Gonyaulax?

1. Heterotrophic

2. Slow multiplication causing red tide

3. Release toxin

4. All of the above

Q.

Assertion (A): Toxoids are used in vaccines.

Reason (R): Toxoids are bacterial toxins which help in the formation of antibodies.

1. Both A and R are true and R is the correct explanation for A.

2. Both A and R are true, but R is not the correct explanation for A.

3. A is true and R is false.

4. A is false and R is true.