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.
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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. |
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:
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