Glassware and syringes are sterilized by:: (A) Autoclave, (B) Hot air oven, (C) Ethylene oxide, (D) Irradiation
Answer is B. Key Points:-
Hot-air oven is used in laboratories and clinics for heat-resistant items that are not sterilized well by moist heat. They are used for sterilization of:

Glasswares (syringes, Petri dishes, flasks, pipettes, test tubes, etc.).
Surgical instruments (scalpels, scissors, forceps, etc.).
Chemicals (liquid paraffin, sulfonamide powders, etc.); and
Oils that are not penetrated well by steam used in moist heat sterilization.

Parija SC. Textbook of Microbiology & Immunology. Elsevier Health Sciences; 2014. Page: 27