CBSE Class 8 microorganisms — practice questions
25 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 8 microorganisms in the app →Microorganisms are classified into four major groups. These groups are bacteria, fungi, protozoa and:Yeast is used in the baking industry because, during respiration, it produces:The conversion of sugar into alcohol by yeast is called:Medicines that kill or stop the growth of disease-causing microorganisms are called:Cholera is caused by:The female mosquito that carries the malaria parasite (Plasmodium) is:Edward Jenner (1798) is credited with discovering the vaccine for:Common edible preservatives that prevent microbial growth in pickles and jams are:The image shows one of the four major groups of microorganisms.
A drop of pond water observed under a microscope shows moving organisms. Some are single-celled with hair-likeWhy is malaria far more common in regions with stagnant water bodies (puddles, water tanks, open drains)?Citrus canker (a plant disease in lemons/oranges) and yellow vein mosaic of bhindi (okra) differ in their CAUS