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Tag Archives: Free NCERT Online Solutions

9th Class (CBSE) Science: Diversity in Living Organisms

Diversity in Living Organisms

Question: Who wrote the book “The Origin of Species”? Answer: Charles Darwin in 1859. Question: Who proposed the classification of organisms into 5 kingdom? Answer: Robert Whittaker (1959). Question: Define species. Answer: All organisms that are similar to breed and perpetuate. Question: Give example of the organism belonging to Monera and Protista Kingdom. ...

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9th Class (CBSE) Science: Why Do We Fall Ill

Why Do We Fall Ill

Question: Define health. Answer: Health means a state of physical, mental and social well-being. Question: Define disease. Answer: Disease means being uncomfortable. Question: What do you mean by symptoms of disease? Answer: Symptoms of disease are the signs of a disease which indicates the presence of a particular disease. Question: What ...

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