1.
Which of the following is a symptom commonly associated with plant diseases?
2.
What is the term for localized, visible signs of disease on a plant, often involving a change in color or texture?
3.
Yellowing of plant leaves due to insufficient chlorophyll production is known as:
4.
What symptom involves the death of plant tissue, leading to the development of black or brown areas on leaves or stems?
5.
Curling or twisting of plant leaves is a symptom commonly associated with which type of pathogen?
6.
Which symptom involves the wilting and collapse of plant parts due to a lack of turgor pressure?
7.
What is the term for abnormal outgrowths or swellings on plant tissues caused by the activity of pathogens like nematodes or bacteria?
8.
"Honeydew" on plant leaves is a symptom associated with the feeding activity of:
9.
A white, powdery substance on the surface of plant leaves is a symptom of which type of disease?
10.
Which symptom involves the premature dropping of leaves, flowers, or fruit from a plant?
11.
What is the term for the symptom characterized by the development of small, dark specks or dots on plant leaves?
12.
A symptom where plant stems or leaves become distorted and twisted is often called:
13.
"Blotch" and "ring spot" are examples of symptoms associated with which type of plant pathogen?
14.
Which symptom involves the formation of yellow or brown spots with defined margins on plant leaves?
15.
What is the term for the symptom where plant stems or branches appear constricted and damaged, often leading to wilting and death?
