How does the transmission of each of the | Class 12 Biology Chapter Human Health and Disease, Human Health and Disease NCERT Solutions

Welcome to the NCERT Solutions for Class 12 Biology - Chapter Human Health and Disease. This page offers a step-by-step solution to the specific question from Exercise 1, Question 3: . With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.

Question 3: How does the transmission of each of the following diseases take place?
(a) Amoebiasis
(b) Malaria
(c) Ascariasis
(d) Pneumonia
Answer:

 

Disease

Causative organism

Mode of transmission

a.

Amoebiasis

Entamoeba histolytica

It is a vector-borne disease that spreads by the means of contaminated food and water. The vector involved in the transmission of this disease is the housefly.

b.

Malaria

Plasmodium sp.

It is a vector-borne disease that spreads by the biting of the female Anopheles mosquito.

c.

Ascariasis

Ascaris lumbricoides

It spreads via contaminated food and water.

d.

Pneumonia

Streptococcus pneumoniae

It spreads by the sputum of an infected person.

 


Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Human Health and Disease.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

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Comments

  • Abhishek yadav
  • Oct 12, 2019

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  • samad Khan
  • Jun 25, 2019

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  • Khushi
  • May 25, 2019

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  • Khushi
  • May 25, 2019

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  • Sudhanshu kumar
  • May 13, 2019

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  • Bambam kunar
  • Jan 04, 2019

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  • Gutu
  • Jun 08, 2018

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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 3: How does the transmission of each of the following diseases take place? (a) Amoebiasis (b) Malaria ....