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Take a tomato and cut it into slices. Put the slices of tomatoes on a tray and place it on the window where the sunlight comes through. What changes did you observe in the fruit?
After placing tomato slices in sunlight, they gradually lost moisture, became smaller and shrank. Their texture changed from soft and juicy to harder and drier. This happens because sunlight removes water from the fruit. Without moisture, microbes cannot grow, which helps preserve the tomatoes for aRead more
After placing tomato slices in sunlight, they gradually lost moisture, became smaller and shrank. Their texture changed from soft and juicy to harder and drier. This happens because sunlight removes water from the fruit. Without moisture, microbes cannot grow, which helps preserve the tomatoes for a longer time without spoilage.
For more NCERT Solutions for Class 5 EVS Our Wondrous World – The World Around Us Unit 2: Health and Well-being – Chapter 3: The Mystery of Food Extra Questions & Answer:
https://www.tiwariacademy.com/class-5-evs-our-wondrous-world-chapter-3/#solutions
See lessCan you think of a way to preserve items like tomato?
We can preserve tomatoes by sun-drying them to remove moisture, making tomato pickle with oil and spices or cooking them into puree and storing it in airtight jars. Refrigeration also slows microbial growth, keeping fresh tomatoes safe for several days. These methods extend their usability for cookiRead more
We can preserve tomatoes by sun-drying them to remove moisture, making tomato pickle with oil and spices or cooking them into puree and storing it in airtight jars. Refrigeration also slows microbial growth, keeping fresh tomatoes safe for several days. These methods extend their usability for cooking even after harvesting season.
For more NCERT Solutions for Class 5 EVS Our Wondrous World – The World Around Us Unit 2: Health and Well-being – Chapter 3: The Mystery of Food Extra Questions & Answer:
https://www.tiwariacademy.com/class-5-evs-our-wondrous-world-chapter-3/#solutions
See lessWhat are antibiotics?
Antibiotics are drugs used to kill or stop the growth of harmful bacteria inside the body. They are effective only for bacterial infections and not for viral ones like flu or cold. Doctors prescribe them carefully for illnesses like tuberculosis or urinary infections. If misused, they can stop workiRead more
Antibiotics are drugs used to kill or stop the growth of harmful bacteria inside the body. They are effective only for bacterial infections and not for viral ones like flu or cold. Doctors prescribe them carefully for illnesses like tuberculosis or urinary infections. If misused, they can stop working, leading to antibiotic resistance. That’s why antibiotics should only be taken as prescribed, for the right illness and for the correct duration.
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 lessHOW BACTERIA BECAME RESISTANT TO ANITBIOTICS?
Bacteria develop resistance when antibiotics are overused or taken incorrectly. If people take antibiotics for viral infections or stop medicine early, some bacteria survive. These surviving bacteria change and become stronger. They multiply and share resistance with other bacteria. Over time, manyRead more
Bacteria develop resistance when antibiotics are overused or taken incorrectly. If people take antibiotics for viral infections or stop medicine early, some bacteria survive. These surviving bacteria change and become stronger. They multiply and share resistance with other bacteria. Over time, many bacteria no longer respond to common antibiotics. This makes infections harder to cure. Responsible use of antibiotics and hygiene are key to preventing this dangerous problem.
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 lessHOW ANTIBIOTIC RESISTANCE SPREADS IN THE COMMUNITY?
Antibiotic resistance spreads when antibiotics are overused or used wrongly. Bacteria become strong and stop responding to medicines. These resistant bacteria spread through soil, food, animal products and infected people. Hospitals, crowded places and poor hygiene speed up this spread. If one persoRead more
Antibiotic resistance spreads when antibiotics are overused or used wrongly. Bacteria become strong and stop responding to medicines. These resistant bacteria spread through soil, food, animal products and infected people. Hospitals, crowded places and poor hygiene speed up this spread. If one person carries resistant bacteria, they can unknowingly infect others. Preventing this needs proper hygiene, avoiding unnecessary antibiotics and using medicines only as prescribed by doctors.
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