Natasha Mehta Solutions for Exercise 9: EXERCISE
Natasha Mehta Science Solutions for Exercise - Natasha Mehta Solutions for Exercise 9: EXERCISE
Attempt the practice questions from Exercise 9: EXERCISE with hints and solutions to strengthen your understanding. Sciwise - A coursebook of Science solutions are prepared by Experienced Embibe Experts.
Questions from Natasha Mehta Solutions for Exercise 9: EXERCISE with Hints & Solutions
What is food poisoning? How is it caused? What are the symptoms?
What is food preservation? Why is it necessary to preserve food? Explain any three methods to preserve food.
Shalu had a common cold. The doctor advised her to drink a lot of fluids and take rest. He did not prescribe any antibiotics. Why did he not do so?
Priya prepared orange marmalade at home. Which preservative would you recommend Priya to use to preserve this item - salt, sugar, vinegar or oil? Give reason.
Rahul had malaria. His friend Manu went to meet him and shook hands with him. Do you think he did right?
Ruchi was making bread at home. She took some cold water and added yeast into it. She was surprised to see that the yeast was not activated. Where did she go wrong?
Many herbivores have cellulose-digesting bacteria in their stomach. Are these bacteria friends or foe for the herbivore?
What would happen if the vaccination begins after a few years of the birth of the child instead of immediately after birth?
