Solved MCQs of Biology Class 9
Ronald Ross was a ____________ army physician.
A gardener sees a large snake nearby. he knows generally snakes sting, so the gardener ran away. The gardener did which of the following?
Constructed a theory
Tested a hypothesis
Malaria is from ____________ word Mala means bad and aria means air.
Scientific law is interchangeable with :
In man Plasmodium multiplies in the
Wall of stomach
” Mosquitose are involved in the spread of malaria” was said by:
The tentative explanation of the observation is called
The bark of ____________ tree was the cure for malaria.
People who used mosquito nets suffered ____________ from malaria.
A scientific law is an irrefutable:
None of these
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