NCERT Solutions for Chapter: Microorganisms Friend and Foe, Exercise 4: LONG ANSWER QUESTIONS

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NCERT Science Solutions for Exercise - NCERT Solutions for Chapter: Microorganisms Friend and Foe, Exercise 4: LONG ANSWER QUESTIONS

Attempt the practice questions on Chapter 2: Microorganisms Friend and Foe, Exercise 4: LONG ANSWER QUESTIONS with hints and solutions to strengthen your understanding. NCERT Exemplar Science - Class 8 solutions are prepared by Experienced Embibe Experts.

Questions from NCERT Solutions for Chapter: Microorganisms Friend and Foe, Exercise 4: LONG ANSWER QUESTIONS with Hints & Solutions

EASY
8th CBSE
IMPORTANT

Observe the figure and answer the question given below:

Okra Leaf with Yellow Vein Mosaic Vrus

Write the name of the disease (contain three words).

EASY
8th CBSE
IMPORTANT

Observe the figure and answer the question given below:

Question Image

Write whether this disease is caused by a virus or a protozoan.

EASY
8th CBSE
IMPORTANT

Observe the figure and answer the question given below:

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Write whether this disease spread from one plant to another by whitefly or aphid?

HARD
8th CBSE
IMPORTANT

Give reason for the following.

Mosquitoes can be controlled by preventing stagnation of water though they do not live in water. Why?

HARD
8th CBSE
IMPORTANT

How can we prevent the following disease?

Cholera

HARD
8th CBSE
IMPORTANT

How can we prevent the following disease?

Typhoid

HARD
8th CBSE
IMPORTANT

How can we prevent the following disease?

Hepatitis A

HARD
8th CBSE
IMPORTANT

Complete the following cycle given in the figure by filling the blanks (a), (b), (c) and (d).

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