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Daily 10 MCQs - Corynebacterium diphtheriae | NEET MDS 2026 🦠 DAILY 10 MCQs (NEET MDS 2026) — Corynebacterium diphtheriae • bacteria • Elek test • Toxin • Culture — Timer 10 min ⏳ 📝 Register 🔐 Log In 📚 More Test Daily Test: Corynebacterium diphtheriae (10 MCQs) Includes: morphology, metachromatic granules, Elek test, tox gene, clinical features, culture media & complications. ⏳ 10:00 Question 1 / 10 1) Corynebacterium diphtheriae is: Gram-negative diplococci Acid-fast bacilli Gram-positive pleomorphic bacilli Spirochete 2) Metachromatic granules of C. diphtheriae are best seen with: Ziehl–Neelsen stain Albert stain India ink Silver stain...

Tuberculoid leprosy and lepromatous leprosy are two distinct forms of leprosy, also known as Hansen's disease, caused by the bacterium Mycobacterium leprae. These forms of leprosy represent opposite ends of the clinical spectrum and are characterized by differences in immune response, clinical presentation, and bacterial load. Here's a comparison between tuberculoid leprosy and lepromatous leprosy: **Tuberculoid Leprosy:** 1. **Immune Response:**    - Tuberculoid leprosy is characterized by a strong cell-mediated immune response. T cells play a key role in controlling the infection, leading to limited bacterial growth. 2. **Clinical Presentation:**    - Skin lesions in tuberculoid leprosy are usually well-defined, hypopigmented or reddish, and show loss of sensation. Nerves can be affected, leading to nerve damage and sensory loss.    - There may be a few, asymmetric, and well-demarcated skin lesions.    - Nerve involvement can cause s...