human-body-and-health-l2 MCQ — 10 अभ्यास प्रश्न उत्तर सहित

10 human-body-and-health-l2 बहुविकल्पीय प्रश्नों का अभ्यास करें, विस्तृत उत्तर और व्याख्या सहित। RAS/RPSC परीक्षा की तैयारी के लिए आदर्श।

10 प्रश्न mathematics-science-reet

Q1. Choose the correct pair: I. All microorganisms are harmful. II. Bacteria and protozoa can be microorganisms. III. Viruses reproduce only inside a host organism.

A I and II only

B I and III only

C II and III only Correct

D I, II and III

Explanation

NCERT Class 8 separates useful and harmful contexts. Karan should reject the word all in statement I, keep bacteria and protozoa as microorganisms, and remember the host condition for viruses.

Q2. Devika labels every disease as infectious. Which remedial task should the teacher give first?

A Tell Devika she is wrong and ask her to rewrite the list correctly from the textbook.

B Give cards of diseases and ask Devika to sort them into pathogen-spread, lifestyle-linked and nutrient-deficiency groups. Correct

C Ask Devika to learn that every disease can be cured with the same medicine.

D Move on, since labelling all diseases infectious is a harmless mistake.

Explanation

Devika's error is over-generalising 'infectious' to every disease, so the first remedial task must make her classify by cause - sorting case cards into pathogen-spread, lifestyle-linked and nutrient-deficiency groups (option B) shows non-communicable diseases exist. A is rote copying, C adds a new false idea, and D ignores a core misconception.

Q3. Which pair correctly states the major nutrients listed in NCERT Class 6 Curiosity?

A Carbohydrates, fats and only one vitamin

B Only proteins and water, since they build the body

C Carbohydrates, fats, proteins, vitamins and minerals Correct

D Sugar, salt and oil, because they give the most taste

Explanation

The NCERT Class 6 Curiosity balanced-diet chapter lists the major nutrients as carbohydrates, fats, proteins, vitamins and minerals (option C). A is incomplete, B confuses water/roughage with the nutrient list, and D names taste-based food items instead of nutrient categories.

Q4. A teacher wants to correct the idea that health means only not being sick. Which classroom example is best?

A Tell children that a person with no fever is fully healthy.

B List only physical exercises children should do each morning.

C Ask children to memorise the WHO definition word for word for a test.

D Use the Salma case card on poor sleep, loneliness and routine to show health includes mental and social well-being. Correct

Explanation

The misconception is fixed only by showing health has physical, mental and social dimensions, which the Salma case card does concretely and safely (option D). A repeats the misconception, B stays physical-only, and C is rote memorising without application.

Q5. Which statements are correct? I. Prevention should match the route or cause. II. Deficiency disease spreads through direct contact. III. Privacy matters in health discussions.

A I and III only Correct

B II and III only

C I and II only

D I, II and III

Explanation

Statement I (prevention should match the route or cause) and statement III (privacy matters in health discussions) are both correct, while statement II is false because a deficiency disease such as scurvy is non-communicable and does not spread by contact. So only I and III hold (option A).

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Q6. During a cholera awareness activity, which teacher action is safest and most syllabus-aligned?

A Have children copy the names of all water-borne diseases into their notebooks.

B Discuss how contaminated water spreads cholera and how safe drinking water and hygiene prevent it.

C Tell children that cholera is caused by eating cold food in winter.

D Ask children to prepare and give medicine doses for a cholera patient.

Q7. Match the prompt with the best concept: (1) weekly meal record, (2) flu route chart, (3) poor sleep and loneliness case.

A 1-balanced diet, 2-communicable disease, 3-social and mental well-being

B 1-communicable disease, 2-balanced diet, 3-food test

C 1-virus host, 2-roughage, 3-starch test

D 1-adolescence, 2-body systems, 3-chemistry

Q8. Which item is explicitly inside the RBSE Human Body and Health boundary for Level 2 science?

A Balanced diet

B Periodic table groups

C RHS congruence

D Solar family

Q9. Assertion: Scurvy is best classified as a communicable disease. Reason: It is caused by a lack of a specific nutrient in the diet.

A Both assertion and reason are true, and reason explains assertion.

B Both assertion and reason are true, but reason does not explain assertion.

C Assertion is true, reason is false.

D Assertion is false, reason is true.

Q10. Imran says, "A balanced diet is costly food." Which correction is most accurate?

A It must contain only proteins.

B It has essential nutrients, roughage and water in the right amount.

C It means the same fixed chart for every person.

D It means avoiding all fats completely.

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