All are true about cephalosporins, EXCEPT :: (A) Ceftazidime is a 3rd generation cephalosporin., (B) Cefoperazone has got antipseudomonal effect., (C) Cefoxitin has got no activity against anaerobes., (D) Cephalosporins act by inhibiting cell wall synthesis.
Answer is C. β-lactam antibiotics act by inhibiting cell wall synthesis. These include penicillins, cephalosporins, carbapenems and monobactam.