Vaccines protect us from serious diseases. They are made using weakened or dead parts of germs. When injected into our body, they don’t cause illness but help the immune system learn to fight the real germs later. This process creates acquired immunity. Vaccines are given for diseases like measles,Read more
Vaccines protect us from serious diseases. They are made using weakened or dead parts of germs. When injected into our body, they don’t cause illness but help the immune system learn to fight the real germs later. This process creates acquired immunity. Vaccines are given for diseases like measles, polio and hepatitis. They save millions of lives and stop dangerous diseases from spreading in the community.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
Acquired immunity means the body’s learned defense against a disease. It develops after we recover from an infection or take a vaccine. The immune system creates memory cells that remember the germ. When the same germ attacks again, our body quickly responds and stops it. This helps prevent future iRead more
Acquired immunity means the body’s learned defense against a disease. It develops after we recover from an infection or take a vaccine. The immune system creates memory cells that remember the germ. When the same germ attacks again, our body quickly responds and stops it. This helps prevent future infections or reduces their severity. Vaccines help us gain acquired immunity without falling sick first.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
The first vaccine was discovered by Edward Jenner in 1796. He noticed that people who had cowpox did not get smallpox. He tested this by giving cowpox to a boy and later exposed him to smallpox. The boy didn’t fall sick. This experiment led to the development of the smallpox vaccine and began the glRead more
The first vaccine was discovered by Edward Jenner in 1796. He noticed that people who had cowpox did not get smallpox. He tested this by giving cowpox to a boy and later exposed him to smallpox. The boy didn’t fall sick. This experiment led to the development of the smallpox vaccine and began the global journey of vaccinations to prevent deadly diseases in humans.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
Vaccines train our immune system to recognize and destroy harmful germs before they cause illness. They protect babies, children, adults and elderly people from dangerous diseases like measles, polio and hepatitis. Vaccines also prevent outbreaks by stopping germs from spreading. They’re tested forRead more
Vaccines train our immune system to recognize and destroy harmful germs before they cause illness. They protect babies, children, adults and elderly people from dangerous diseases like measles, polio and hepatitis. Vaccines also prevent outbreaks by stopping germs from spreading. They’re tested for safety and save millions of lives every year. Getting vaccinated protects not just individuals, but also others who can’t take vaccines due to age or health reasons.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
India is a global leader in vaccine production. It manufactures and supplies affordable vaccines to many countries, supporting global health efforts. During the COVID-19 pandemic, Indian companies produced and exported millions of vaccine doses. India’s Serum Institute is the world’s largest vaccineRead more
India is a global leader in vaccine production. It manufactures and supplies affordable vaccines to many countries, supporting global health efforts. During the COVID-19 pandemic, Indian companies produced and exported millions of vaccine doses. India’s Serum Institute is the world’s largest vaccine maker. India also develops new vaccines and supports research through the Department of Biotechnology. Its role is vital in protecting people worldwide from infectious diseases.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
What are vaccines?
Vaccines protect us from serious diseases. They are made using weakened or dead parts of germs. When injected into our body, they don’t cause illness but help the immune system learn to fight the real germs later. This process creates acquired immunity. Vaccines are given for diseases like measles,Read more
Vaccines protect us from serious diseases. They are made using weakened or dead parts of germs. When injected into our body, they don’t cause illness but help the immune system learn to fight the real germs later. This process creates acquired immunity. Vaccines are given for diseases like measles, polio and hepatitis. They save millions of lives and stop dangerous diseases from spreading in the community.
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 do you mean by acquired immunity?
Acquired immunity means the body’s learned defense against a disease. It develops after we recover from an infection or take a vaccine. The immune system creates memory cells that remember the germ. When the same germ attacks again, our body quickly responds and stops it. This helps prevent future iRead more
Acquired immunity means the body’s learned defense against a disease. It develops after we recover from an infection or take a vaccine. The immune system creates memory cells that remember the germ. When the same germ attacks again, our body quickly responds and stops it. This helps prevent future infections or reduces their severity. Vaccines help us gain acquired immunity without falling sick first.
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 lessDo you know when the first vaccine was discovered?
The first vaccine was discovered by Edward Jenner in 1796. He noticed that people who had cowpox did not get smallpox. He tested this by giving cowpox to a boy and later exposed him to smallpox. The boy didn’t fall sick. This experiment led to the development of the smallpox vaccine and began the glRead more
The first vaccine was discovered by Edward Jenner in 1796. He noticed that people who had cowpox did not get smallpox. He tested this by giving cowpox to a boy and later exposed him to smallpox. The boy didn’t fall sick. This experiment led to the development of the smallpox vaccine and began the global journey of vaccinations to prevent deadly diseases in humans.
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 lessVaccines are one of the most effective ways to protect people of all ages — from infants to the elderly — against many serious diseases. Explain.
Vaccines train our immune system to recognize and destroy harmful germs before they cause illness. They protect babies, children, adults and elderly people from dangerous diseases like measles, polio and hepatitis. Vaccines also prevent outbreaks by stopping germs from spreading. They’re tested forRead more
Vaccines train our immune system to recognize and destroy harmful germs before they cause illness. They protect babies, children, adults and elderly people from dangerous diseases like measles, polio and hepatitis. Vaccines also prevent outbreaks by stopping germs from spreading. They’re tested for safety and save millions of lives every year. Getting vaccinated protects not just individuals, but also others who can’t take vaccines due to age or health reasons.
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 lessWrite India’s Role in Vaccine Production.
India is a global leader in vaccine production. It manufactures and supplies affordable vaccines to many countries, supporting global health efforts. During the COVID-19 pandemic, Indian companies produced and exported millions of vaccine doses. India’s Serum Institute is the world’s largest vaccineRead more
India is a global leader in vaccine production. It manufactures and supplies affordable vaccines to many countries, supporting global health efforts. During the COVID-19 pandemic, Indian companies produced and exported millions of vaccine doses. India’s Serum Institute is the world’s largest vaccine maker. India also develops new vaccines and supports research through the Department of Biotechnology. Its role is vital in protecting people worldwide from infectious 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 less