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Zoology · Human Health and Diseases

NEET (UG) 2025 — Question 112

Which are correct: A. Computed tomography and magnetic resonance imaging detect cancers of internal organs. B. Chemotherapeutic drugs are used to kill non-cancerous cells. C. α-interferon activates the cancer patients' immune system and helps in destroying the tumour. D. Chemotherapeutic drugs are biological response modifiers. E. In the case of leukaemia blood cell counts are decreased. Choose the correct answer from the options given below:

  1. Option A:

    B and D only

  2. Option B:

    D and E only

  3. Option C:

    C and D only

  4. Option D:

    A and C only

    Correct

Answer: D

Step-by-step solution

Statement A is correct: CT and MRI are imaging techniques used to detect cancers of internal organs. Statement B is false: chemotherapeutic drugs are used to kill cancer cells, not non-cancerous cells. Statement C is correct: α-interferon is a biological response modifier that activates the patient's immune system and helps destroy the tumour. Statement D is false: biological response modifiers are agents like α-interferon used in immunotherapy, not chemotherapeutic drugs. Statement E is false: leukaemia involves abnormal increase in white blood cell count, not a decrease. Hence only A and C are correct, so the answer is D.

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Exam
NEET (UG) 2025
Paper
2025 paper
Subject
Zoology
Chapter
Human Health and Diseases
Topic
Cancer

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