Biology 9 Chapter - 2
Solving a Piological Problem -11

1. Ross found that the infected mosquitos contain plasmodia in?




2. Plasmodium should be present in mosquitos was a?




3. In which year the Italian biologists allows an anopheles mosquitos to bite a malarial patient?




4. In most cases after anopheles mosquitos , the itching,sensation and swelling subside within?




5. The hypothesis often tested and never rejected are called as the?




6. A great deal of evidence is supported for?




7. Female mosquito pierces the skin with?




8. The female mosquitos injects a small amount of saliva into wound by drawing blood?




9. The saliva of the mosquito prevents the blood from clotting in her?




10. If a theory survives and continue to be supported by the experimental evidence then it becomes?




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