Shobhita Johari, Pankaj Tyagi and, Parminder Chopra Solutions for Exercise 5: EXERCISES

Author:Shobhita Johari, Pankaj Tyagi & Parminder Chopra

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

HARD
8th CBSE
IMPORTANT

What are microorganisms? What is the study of microorganisms called? Give ten uses of microbes with examples.

HARD
8th CBSE
IMPORTANT

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

HARD
8th CBSE
IMPORTANT

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

HARD
8th CBSE
IMPORTANT

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

MEDIUM
8th CBSE
IMPORTANT

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

EASY
8th CBSE
IMPORTANT

How does salt and sugar help in food preservation?

MEDIUM
8th CBSE
IMPORTANT

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?

MEDIUM
8th CBSE
IMPORTANT

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?