Biology MCQ Quiz Hub

MCQs Question and Answer -Biology Set 4

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1.  The ‘lock and key hypothesis’ mechanism is related with:




2. Which disease of plant is known as ring disease?




3. Name the disease of plant in which large yellow spot appears on the leaves?




4. Bunchy top of banana plant disease is caused due to:




5. Name a disease of plant in which dark to light brown rot forms around wounded plant tissue?




6.  In which disease of plant white mildew appears typically on underside of leaves?




7. Bacterial blight of Rice disease of plant is caused due to which bacteria?




8. In which of the following diseases of plant chlorophyll of the leaves get destroyed and leaves get shrinked?




9.  Name the disease of plant in which leaves, branches, fruits all are affected?




10. Name a disease of plant in which fine webbing occurs on undersides of the leaves?




11. In which disease of plant stem rot at soil line with brown to red lesions?