Cleanliness, Health and Hygiene Quiz - ICSE Class 5 Science
Free practice quiz: Cleanliness, Health and Hygiene (ICSE Class 5 Science). 50 multiple-choice questions with answers and explanations. Play online, no sign-up needed.
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Which of the following is a crucial step in preventing the spread of airborne diseases like the common cold?
- Drinking plenty of sugary drinks
- Washing hands frequently with soap and water
- Sharing personal items like towels and utensils
- Coughing or sneezing without covering your mouth
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Answer: B. Washing hands frequently with soap and water
Washing hands frequently with soap and water effectively removes viruses and bacteria that can cause airborne diseases, thus preventing their spread. Sugary drinks don't help, sharing personal items facilitates transmission, and not covering coughs/sneezes directly spreads germs.
Why is it important to get adequate sleep for overall health?
- Sleep helps the body repair and regenerate tissues, and consolidate memories.
- Sleep has no impact on physical or mental well-being.
- Lack of sleep improves concentration and learning.
- Sleep weakens the immune system.
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Answer: A. Sleep helps the body repair and regenerate tissues, and consolidate memories.
During sleep, the body undergoes vital processes like tissue repair, growth, and memory consolidation. Adequate sleep is crucial for physical recovery, mental function, and maintaining a strong immune system. Lack of sleep has negative effects.
Why is it important to get enough Vitamin D?
- It causes excessive hair growth.
- It is essential for bone health and calcium absorption.
- It makes skin darker.
- It causes digestive problems.
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Answer: B. It is essential for bone health and calcium absorption.
Vitamin D plays a crucial role in helping the body absorb calcium and phosphorus, which are essential for building and maintaining strong bones. Deficiencies can lead to conditions like rickets in children and osteoporosis in adults.
What is the primary benefit of regular handwashing after using the toilet?
- To make your hands smell nice
- To spread germs to other surfaces
- To remove fecal bacteria and prevent their transfer to food or mouth
- To dry your hands quickly
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Answer: C. To remove fecal bacteria and prevent their transfer to food or mouth
After using the toilet, hands can be contaminated with fecal matter containing bacteria like E. coli. Washing hands thoroughly removes these harmful germs, preventing their transmission to food, surfaces, or directly to your mouth, thus preventing infections.
What is the importance of adequate water intake for the body?
- It causes dehydration.
- It helps regulate body temperature, transport nutrients, and remove waste products.
- It leads to water intoxication.
- It slows down bodily functions.
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Answer: B. It helps regulate body temperature, transport nutrients, and remove waste products.
Water is essential for numerous bodily functions, including maintaining body temperature through sweating, transporting nutrients and oxygen to cells, lubricating joints, and flushing out waste products through urine and sweat.