Shobhita Johari, Pankaj Tyagi and, Parminder Chopra Solutions for Exercise 5: EXERCISES
Shobhita Johari Science Solutions for Exercise - Shobhita Johari, Pankaj Tyagi and, Parminder Chopra Solutions for Exercise 5: EXERCISES
Attempt the practice questions from Exercise 5: EXERCISES with hints and solutions to strengthen your understanding. I Explore 3rd EDITION A Science Textbook 8 solutions are prepared by Experienced Embibe Experts.
Questions from Shobhita Johari, Pankaj Tyagi and, Parminder Chopra Solutions for Exercise 5: EXERCISES with Hints & Solutions
What are microorganisms? What is the study of microorganisms called? Give ten uses of microbes with examples.

Classify microorganisms. Give characteristic features of each class with an example.

Describe the nitrogen cycle in detail with the help of a diagram.

What are preservatives? What is the basic principle of preservation? Explain some common preservatives procedures with adequate examples.

Temperature is a major factor that is involved in food preservation. Why excessive high and excessive low temperatures kill most pathogens?

How does salt and sugar help in food preservation?

A child was given hepatitis B vaccination. Much to the surprise, the child body started to show the opposite reaction. He suffered from blisters on his body as well as slight fever. However, this reaction subsided within a few days. What is the reaction called? Why do you this happened?

When we are sick or suffering from fever, the doctor prescribes antibiotic medicines. How do you think antibiotics work inside the human body? If we, as humans have their own immune system to fight against diseases then why do we need antibiotics?
