Multiple choice Which of the following statements is/are not correct? Presence of antigens in the blood is not necessary for the production of antibodies. Yeast cells derived their energy from glucose by glycolysis. Starch acts as a nutrient but cellulose does not. Vitamin B12 does not occur in plants. All of correct Reveal answer Fill a bubble to check yourself A Correct answer Explanation This statement is wrong because presence of antigens in the blood is necessary for the production of antibodies. Thus, this option is correct.