class 10 science chapter 3 mcq

15 Bacteria that is present in the intestine is useful in 1. excretion 2. digestion 3. absorption 4. assimilation

14 Pick out the odd man out 1. rhizopus 2. pencillum 3. mushroom 4. spirulina

13 Pick out the ' odd man ' out 1. amoeba 2. spirogyra 3. euglena 4. vorticella

12 Which of the following is caused by bacteria? 1. AIDS 2. typhoid 3. amoebiasis 4. scabies