Class 12 · Human Health and Diseases

Genetic Disorders: Inherited Defects — NEET Biology

📚 Practice Concept
📖 NCERT Source

Genetic disorders – deficiencies with which a child is born and deficiencies/defects which the child inherits from parents from birth;

NCERT Biology · Class 12 · Chapter 7 · Paragraph 5
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QuestionPractice Question

Consider the following statements regarding factors affecting health: 1. Genetic disorders include deficiencies present from birth and inherited defects. 2. Infections can influence the health of an individual. 3. Changes in Earth’s gravity are a primary factor in determining human health. 4. Lifestyle including diet, rest, exercise, and habits plays a role in health. 5. Phases of the moon directly regulate human health and immunity. Which of the above statements are correct?

📖 Solution & NCERT Explanation
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Correct answer: C 1, 2 and 4 only

Statement 1 is correct: genetic disorders present from birth or inherited affect health. Statement 2 is correct: infections are a major health determinant. Statement 3 is incorrect: gravity changes are not a biological factor for health in NCERT. Statement 4 is correct: lifestyle including diet, rest, and exercise influences health. Statement 5 is incorrect: moon phases are not described in NCERT as affecting health. Thus, the valid factors are genetic disorders, infections, and lifestyle.

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What does NCERT say about Genetic disorders deficiencies with?
Genetic disorders – deficiencies with which a child is born and deficiencies/defects which the child inherits from parents from birth;
Has this concept appeared in NEET?
Practice this NCERT concept with questions on MedicNEET.
Which chapter is this from?
Human Health and Diseases, Class 12 NCERT Biology.

Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.

176/180
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