MCQ
Main source of amoebic dysentery is
- AContaminated food and water
- ✓Water and food contaminated by the faecal matter
- CWater and food contaminated by urine
- DWater and food contaminated by polluted air
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Reason : Ancestral seed-eating stock of Darwin's finches radiated out from South American mainland to different geographical areas of the Galapagos Islands, where they found competitor-free new habitats.
$(a)$ Cockroach $(b)$ Sparrow $(c)$ Terrestrial reptiles $(d)$ Man
$I.$ The property of metastasis is shown by malignant tumors
$II.$ Carcinogens are the agents that causes cancer
$III.$ Benign tumor causes little damage to body cells
Which of the statements given above are correct?