Pranab Kumar Pradhan Solutions for Exercise 1: EXERCISE

Author:Pranab Kumar Pradhan

Pranab Kumar Pradhan Science Solutions for Exercise - Pranab Kumar Pradhan Solutions for Exercise 1: EXERCISE

Attempt the free practice questions from Exercise 1: EXERCISE with hints and solutions to strengthen your understanding. A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9 solutions are prepared by Experienced Embibe Experts.

Questions from Pranab Kumar Pradhan Solutions for Exercise 1: EXERCISE with Hints & Solutions

MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 13 - Immunity and Human Diseases>EXERCISE>Q 5

How Edward Jenner discovered small-pox vaccine?

EASY
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 13 - Immunity and Human Diseases>EXERCISE>Q 6

Explain the purpose of WASH program.

HARD
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 13 - Immunity and Human Diseases>EXERCISE>Q 1

What is bacteriophage? With a labelled sketch describe the structure of a bacteriophage.

EASY
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 13 - Immunity and Human Diseases>EXERCISE>Q 2

What do you mean by harmful bacteria?

MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 13 - Immunity and Human Diseases>EXERCISE>Q 3

Name three diseases caused by blood transfusion. Write about the symptoms of the disease caused by Human Immunodeficiency Virus.

MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 13 - Immunity and Human Diseases>EXERCISE>Q 4

What is vaccination? State the uses of vaccination.

EASY
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 13 - Immunity and Human Diseases>EXERCISE>Q 1

Draw and label a bacteriophage.

EASY
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 13 - Immunity and Human Diseases>EXERCISE>Q 3

Draw and label the harmful protozoa Entamoeba histolytica.