COVID-19 is a viral disease caused by the coronavirus. It spread rapidly worldwide and was declared a pandemic. It spreads mainly through droplets from coughs, sneezes or touching infected surfaces. Symptoms include fever, cough, breathing trouble and fatigue. To stop its spread, people were advisedRead more
COVID-19 is a viral disease caused by the coronavirus. It spread rapidly worldwide and was declared a pandemic. It spreads mainly through droplets from coughs, sneezes or touching infected surfaces. Symptoms include fever, cough, breathing trouble and fatigue. To stop its spread, people were advised to wear masks, wash hands, avoid gatherings and get vaccinated. It reminded us of the importance of hygiene and strong public health systems.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
Communicable diseases are always caused by pathogens—tiny disease-causing organisms like viruses, bacteria, fungi or worms. These germs invade the body and disturb its normal functions. They spread through air, water, food or direct contact. Diseases like flu, COVID-19, tuberculosis and chickenpox aRead more
Communicable diseases are always caused by pathogens—tiny disease-causing organisms like viruses, bacteria, fungi or worms. These germs invade the body and disturb its normal functions. They spread through air, water, food or direct contact. Diseases like flu, COVID-19, tuberculosis and chickenpox are examples. Knowing that pathogens cause these diseases helps us take precautions like handwashing, wearing masks and getting vaccinated to stay protected.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
Pathogens spread in many ways. Through air—when an infected person coughs or sneezes. Through water and food—if contaminated by germs. Through direct contact—like touching an infected person. Through insect bites—like mosquitoes spreading malaria or dengue. Through indirect contact—like sharing toweRead more
Pathogens spread in many ways. Through air—when an infected person coughs or sneezes. Through water and food—if contaminated by germs. Through direct contact—like touching an infected person. Through insect bites—like mosquitoes spreading malaria or dengue. Through indirect contact—like sharing towels or surfaces. That’s why hygiene, clean drinking water, proper waste disposal and using masks are important in stopping the spread of communicable diseases.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
Vectors are living organisms—usually insects like mosquitoes, houseflies or ticks—that carry pathogens and transfer them to humans. These animals don’t get sick themselves but pass on diseases. For example, mosquitoes carry the parasites that cause malaria or the virus that causes dengue. HousefliesRead more
Vectors are living organisms—usually insects like mosquitoes, houseflies or ticks—that carry pathogens and transfer them to humans. These animals don’t get sick themselves but pass on diseases. For example, mosquitoes carry the parasites that cause malaria or the virus that causes dengue. Houseflies can spread germs from garbage to food. Controlling vectors by using nets, repellents and maintaining cleanliness helps prevent such diseases from spreading.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
Humour and wit are important because they help people stay cheerful and solve problems cleverly. These qualities lighten tense moments, foster better relationships, and make others feel comfortable. A witty person can express ideas in amusing ways, making learning and decision-making enjoyable. SuchRead more
Humour and wit are important because they help people stay cheerful and solve problems cleverly. These qualities lighten tense moments, foster better relationships, and make others feel comfortable. A witty person can express ideas in amusing ways, making learning and decision-making enjoyable. Such people are often admired for their sharp thinking and ability to make serious matters seem manageable through light humour.
For more NCERT Solutions for Class 8 English Poorvi Unit 1 Wit And Wisdom Chapter 1 The Wit That Won Hearts Extra Questions & Answer:
Do you know about COVID-19?
COVID-19 is a viral disease caused by the coronavirus. It spread rapidly worldwide and was declared a pandemic. It spreads mainly through droplets from coughs, sneezes or touching infected surfaces. Symptoms include fever, cough, breathing trouble and fatigue. To stop its spread, people were advisedRead more
COVID-19 is a viral disease caused by the coronavirus. It spread rapidly worldwide and was declared a pandemic. It spreads mainly through droplets from coughs, sneezes or touching infected surfaces. Symptoms include fever, cough, breathing trouble and fatigue. To stop its spread, people were advised to wear masks, wash hands, avoid gatherings and get vaccinated. It reminded us of the importance of hygiene and strong public health systems.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessAll communicable diseases are caused by pathogens. Explain.
Communicable diseases are always caused by pathogens—tiny disease-causing organisms like viruses, bacteria, fungi or worms. These germs invade the body and disturb its normal functions. They spread through air, water, food or direct contact. Diseases like flu, COVID-19, tuberculosis and chickenpox aRead more
Communicable diseases are always caused by pathogens—tiny disease-causing organisms like viruses, bacteria, fungi or worms. These germs invade the body and disturb its normal functions. They spread through air, water, food or direct contact. Diseases like flu, COVID-19, tuberculosis and chickenpox are examples. Knowing that pathogens cause these diseases helps us take precautions like handwashing, wearing masks and getting vaccinated to stay protected.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessBut how do these pathogens spread from one person to another?
Pathogens spread in many ways. Through air—when an infected person coughs or sneezes. Through water and food—if contaminated by germs. Through direct contact—like touching an infected person. Through insect bites—like mosquitoes spreading malaria or dengue. Through indirect contact—like sharing toweRead more
Pathogens spread in many ways. Through air—when an infected person coughs or sneezes. Through water and food—if contaminated by germs. Through direct contact—like touching an infected person. Through insect bites—like mosquitoes spreading malaria or dengue. Through indirect contact—like sharing towels or surfaces. That’s why hygiene, clean drinking water, proper waste disposal and using masks are important in stopping the spread of communicable diseases.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessWhat are Vectors?
Vectors are living organisms—usually insects like mosquitoes, houseflies or ticks—that carry pathogens and transfer them to humans. These animals don’t get sick themselves but pass on diseases. For example, mosquitoes carry the parasites that cause malaria or the virus that causes dengue. HousefliesRead more
Vectors are living organisms—usually insects like mosquitoes, houseflies or ticks—that carry pathogens and transfer them to humans. These animals don’t get sick themselves but pass on diseases. For example, mosquitoes carry the parasites that cause malaria or the virus that causes dengue. Houseflies can spread germs from garbage to food. Controlling vectors by using nets, repellents and maintaining cleanliness helps prevent such diseases from spreading.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessWhy are qualities like humour and wit important in a person?
Humour and wit are important because they help people stay cheerful and solve problems cleverly. These qualities lighten tense moments, foster better relationships, and make others feel comfortable. A witty person can express ideas in amusing ways, making learning and decision-making enjoyable. SuchRead more
Humour and wit are important because they help people stay cheerful and solve problems cleverly. These qualities lighten tense moments, foster better relationships, and make others feel comfortable. A witty person can express ideas in amusing ways, making learning and decision-making enjoyable. Such people are often admired for their sharp thinking and ability to make serious matters seem manageable through light humour.
For more NCERT Solutions for Class 8 English Poorvi Unit 1 Wit And Wisdom Chapter 1 The Wit That Won Hearts Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/english/
See less