Biology/MCQs Question and Answer -Biology Set 4 Sample Test,Sample questions

Question:
 In which disease of plant white mildew appears typically on underside of leaves?

1.Cylindrocladium

2.Angular leaf Spot

3.Downy Mildew

4.Black arm of Cotton

Posted Date:-2021-03-06 07:11:10


Question:
 Name the disease of plant in which leaves, branches, fruits all are affected?

1.Spider Mites

2.Mealybugs

3. Aphids

4.Citrus Canker

Posted Date:-2021-03-06 07:11:10


Question:
Bacterial blight of Rice disease of plant is caused due to which bacteria?

1.Pseudomonas bacteria

2.Xanthomonas citri bacteria

3.Xanthomonas oryzae bacteria

4.None of the above

Posted Date:-2021-03-06 07:11:10


Question:
Bunchy top of banana plant disease is caused due to:

1.Bacteria

2.Fungus

3.Virus

4.None of the above

Posted Date:-2021-03-06 07:11:10


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

1.Rhizoctonia

2.Angular leaf Spot

3.Bacterial Blight

4.Bacterial Spot

Posted Date:-2021-03-06 07:11:10


Question:
In which of the following diseases of plant chlorophyll of the leaves get destroyed and leaves get shrinked?

1. Mosaic disease of tobacco

2.Citrus Canker

3.Tundu disease of wheat

4.Rhizoctonia

Posted Date:-2021-03-06 07:11:10


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

1.Digestion of fat in the body

2. For enzyme specificity

3. For the formation of vacuole

4.Explosives

Posted Date:-2021-03-06 07:11:10


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

1.Gray Mold

2.Citrus Canker

3.Spider Mites

4.None of the above

Posted Date:-2021-03-06 07:11:10


Question:
Name a disease of plant in which fine webbing occurs on undersides of the leaves?

1.Spider Mites

2.Anthracnose

3.Mealybugs

4.Rhizoctonia

Posted Date:-2021-03-06 07:11:10


Question:
Name the disease of plant in which large yellow spot appears on the leaves?

1.Bacterial Blight

2.Bacterial Spot

3.Aphids

4.Botrytis

Posted Date:-2021-03-06 07:11:10


Question:
Which disease of plant is known as ring disease?

1.Citrus Canker

2. Black arm of cotton

3.Wilt of Potato

4.None of the above

Posted Date:-2021-03-06 07:11:10


More MCQS

  1. MCQs Question and Answer -Biology Set I
  2. MCQs Question and Answer -Biology Set 2
  3. MCQs Question and Answer -Biology Set 3
  4. MCQs Question and Answer -Biology Set 4
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