Lakhmir Singh and Manjit Kaur Solutions for Chapter: Micro-Organisms: Friend and Foe, Exercise 3: Long Answer Type Questions
Lakhmir Singh Science Solutions for Exercise - Lakhmir Singh and Manjit Kaur Solutions for Chapter: Micro-Organisms: Friend and Foe, Exercise 3: Long Answer Type Questions
Attempt the free practice questions on Chapter 2: Micro-Organisms: Friend and Foe, Exercise 3: Long Answer Type Questions with hints and solutions to strengthen your understanding. Lakhmir Singh's SCIENCE FOR CLASS 8 solutions are prepared by Experienced Embibe Experts.
Questions from Lakhmir Singh and Manjit Kaur Solutions for Chapter: Micro-Organisms: Friend and Foe, Exercise 3: Long Answer Type Questions with Hints & Solutions
What is meant by communicable diseases? Name any two communicable diseases.

What are the various ways in which communicable diseases can occur and spread?

Name any five human diseases caused by micro-organisms. Also name the causative micro-organisms and mode of transmission for each of these diseases.

State the various ways of preventing the occurrence and spreading of communicable diseases.

What is a vaccine? How does a vaccine work?

Why are children given vaccination?

What is meant by 'nitrogen fixation'? State two ways in which nitrogen gas of the atmosphere can be 'fixed' in nature to get nitrogen compounds in the soil.

Draw a neat, labelled diagram of nitrogen cycle in nature. Which natural phenomenon occurring in the sky is responsible for nitrogen fixation?
