Health The Ultimate Treasure Class 8 Long Question Answer

Health The Ultimate Treasure Class 8 Long Question Answer

Health The Ultimate Treasure Class 8 Long Question Answer

Question 1.

Discuss the impact of environmental factors on the spread of dengue fever during peak months. What specific conditions contribute to the increase in cases, and how do these factors interact with the life cycle of the dengue mosquito?

Answer:

Environmental factors such as increased rainfall and stagnant water during the monsoon season create ideal breeding conditions for Aedes mosquitoes, the primary vectors of dengue fever. The warm, humid climate accelerates the mosquito's life cycle, leading to a surge in their population. Additionally, human activities like improper waste disposal can exacerbate the situation by providing more breeding sites. Understanding these interactions is crucial for effective public health interventions during peak dengue seasons.

Question 2.

Explain why antibiotics are ineffective against viral infections like the common cold or flu. What are the implications of misuse of antibiotics on public health?

Answer:

Antibiotics are designed to combat bacterial infections and have no effect on viruses, which have different structures and replication methods. Misuse of antibiotics for viral infections can lead to antibiotic resistance, where bacteria evolve to withstand these medications. This resistance poses a significant public health threat, as it can render common infections harder to treat, leading to longer illnesses, increased medical costs, and a higher risk of mortality.

Examples from daily life

Question 1.

The Impact of Diet on Health

Answer:

Consider a family that regularly consumes fast food due to its convenience. Over time, they notice that family members are experiencing fatigue, weight gain, and even symptoms of diabetes, such as excessive thirst and frequent urination. This situation illustrates the concept of non-communicable diseases, particularly diabetes, which can arise from poor dietary choices and a sedentary lifestyle.

Lesson: This example highlights the importance of a balanced diet rich in nutrients. By making healthier food choices, such as incorporating fruits, vegetables, whole grains, and lean proteins, the family can significantly improve their health and prevent the onset of chronic diseases.

Question 2.

The Role of Physical Activity

Answer:

Imagine a group of friends who decide to take up a new sport together, such as soccer. Initially, they may struggle with stamina and coordination, but as they practice regularly, they notice improvements not only in their physical fitness but also in their mental health. They feel happier, more energetic, and even more connected to each other.

Lesson: This scenario illustrates the benefits of regular exercise. Physical activity is crucial for maintaining a healthy lifestyle, preventing obesity, and reducing the risk of chronic diseases like heart disease and high blood pressure. Furthermore, the social aspect of exercising together enhances mental wellbeing, reinforcing the connection between physical and social health.

Question 3.

The Importance of Mental Health

Answer:

Consider a student who has recently moved to a new city and feels isolated. Instead of reaching out to make new friends, they spend excessive time on social media, which leads to feelings of loneliness and anxiety. Eventually, they decide to seek help from a school counsellor, who encourages them to engage in group activities and practice mindfulness techniques.

Lesson: This example reflects on the holistic definition of health, which includes mental and social well-being. It shows how lifestyle choices, such as spending too much time on screens and neglecting social interactions, can negatively impact mental health. By addressing these issues through counselling and social engagement, the student can improve their overall health and happiness.