Lakhmir Singh and Manjit Kaur Solutions for Chapter: Micro-Organisms: Friend and Foe, Exercise 3: Long Answer Type Questions

Author:Lakhmir Singh & Manjit Kaur

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

MEDIUM
8th CBSE
IMPORTANT

What is meant by communicable diseases? Name any two communicable diseases.

MEDIUM
8th CBSE
IMPORTANT

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

MEDIUM
8th CBSE
IMPORTANT

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

HARD
8th CBSE
IMPORTANT

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

MEDIUM
8th CBSE
IMPORTANT

What is a vaccine? How does a vaccine work?

EASY
8th CBSE
IMPORTANT

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.

MEDIUM
8th CBSE
IMPORTANT

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