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What role does the nucleus play in a cell?
The nucleus is the cell’s control center. It contains genetic material (DNA) that carries instructions for all cellular processes—like protein production, growth and division. It regulates what the cell does and when. In multicellular organisms, the nucleus ensures proper coordination between cells.Read more
The nucleus is the cell’s control center. It contains genetic material (DNA) that carries instructions for all cellular processes—like protein production, growth and division. It regulates what the cell does and when. In multicellular organisms, the nucleus ensures proper coordination between cells. Its role in inheritance and cell regulation makes it one of the most vital organelles.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 2 The Invisible Living World: Beyond Our Naked Eye Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessWhat is the function of cytoplasm in a cell?
The cytoplasm is a thick, jelly-like substance inside the cell where vital activities occur. It surrounds and supports the cell’s organelles and allows them to float and function. Nutrients, enzymes and waste move through it. Most biochemical reactions—such as energy production and protein synthesisRead more
The cytoplasm is a thick, jelly-like substance inside the cell where vital activities occur. It surrounds and supports the cell’s organelles and allows them to float and function. Nutrients, enzymes and waste move through it. Most biochemical reactions—such as energy production and protein synthesis—take place here, making the cytoplasm crucial for the cell’s metabolism, structure and communication.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 2 The Invisible Living World: Beyond Our Naked Eye Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessWhy should we chew food properly?
Chewing food properly is important because it breaks the food into smaller pieces and mixes it with saliva. Saliva contains digestive juices that help start the digestion process even before swallowing. Proper chewing also prevents large pieces from being swallowed, reducing the risk of choking andRead more
Chewing food properly is important because it breaks the food into smaller pieces and mixes it with saliva. Saliva contains digestive juices that help start the digestion process even before swallowing. Proper chewing also prevents large pieces from being swallowed, reducing the risk of choking and allowing our stomach to digest the food more easily and efficiently.
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 lessExplain two methods of preserving food and how they work.
Two common food preservation methods are drying and refrigeration. Drying removes moisture from food and since microbes need water to grow, it stops their activity. Refrigeration lowers the temperature, making it harder for microbes to multiply. Together, these methods help prevent spoilage, keepingRead more
Two common food preservation methods are drying and refrigeration. Drying removes moisture from food and since microbes need water to grow, it stops their activity. Refrigeration lowers the temperature, making it harder for microbes to multiply. Together, these methods help prevent spoilage, keeping food items like grains, fruits, milk and vegetables fresh for days, weeks or even months, depending on storage conditions.
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 can happen if spoiled food is eaten? How can you prevent it?
Spoiled food can lead to indigestion, vomiting, diarrhoea or even serious food poisoning. This happens because harmful microbes produce toxins. To prevent this, store food properly, use preservation methods like refrigeration or drying and consume food before expiry. Always check for unusual smell,Read more
Spoiled food can lead to indigestion, vomiting, diarrhoea or even serious food poisoning. This happens because harmful microbes produce toxins. To prevent this, store food properly, use preservation methods like refrigeration or drying and consume food before expiry. Always check for unusual smell, colour or texture and avoid eating anything that seems spoiled or unsafe.
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 less