NEET MDS 2026 : daily mcqs test

🦠 DAILY 10 MCQs (NEET MDS 2026) — Staphylococcus • Streptococcus • Catalase • Coagulase • Oxidase — Submit to see Score ✔️

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Daily Test: Staphylococcus & Streptococcus (10 MCQs)

Topic Focus: Classification + Catalase/Coagulase/Oxidase tests + key Streptococcus points.
⏳ Score popup also appears automatically after 10 seconds.

1) Catalase test is used to differentiate:

Enterobacteriaceae vs Pseudomonas Staphylococci vs Streptococci Neisseria vs Moraxella Clostridia vs Bacillus

2) Staphylococcus aureus is typically:

Catalase negative Coagulase negative Coagulase positive Oxidase positive

3) Coagulase-negative Staphylococci (CoNS) commonly include:

S. epidermidis, S. saprophyticus S. pyogenes, S. agalactiae S. pneumoniae only Corynebacterium diphtheriae

4) Staphylococci on Gram stain appear as:

Gram-negative diplococci Gram-positive rods in chains Curved Gram-negative bacilli Gram-positive cocci in clusters

5) Streptococci are generally:

Catalase positive Catalase negative Always oxidase positive Acid-fast bacilli

6) Oxidase test is typically positive in:

Staphylococcus aureus Streptococcus pyogenes Pseudomonas aeruginosa Enterococcus faecalis

7) Streptococcus pyogenes shows which hemolysis on blood agar?

Beta hemolysis Alpha hemolysis Gamma hemolysis only Double zone hemolysis always

8) Streptococcus pneumoniae is classically:

Coagulase positive Beta hemolytic Catalase positive Alpha hemolytic, optochin sensitive

9) Staphylococcus saprophyticus is commonly associated with:

Rheumatic fever UTI in sexually active young females Diphtheria Whooping cough

10) Coagulase test detects an enzyme that converts:

Glucose → acid Starch → maltose Fibrinogen → fibrin Urea → ammonia

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