Biology Plant Diseases Control Online Exam Quiz
Biology Plant Diseases Control GK Quiz. Question and Answers related to Biology Plant Diseases Control. MCQ (Multiple Choice Questions with answers about Biology Plant Diseases Control
Which of the following is not related to Necrosis?
Options
A : Curling of leaves
B : Death of tissues
C : A common symptom of fungal diseases
D : Discolouration of leaves
Which of the following is not a method of reducing total biomass of crop?
Options
A : Damage to leaf tissues
B : Studying the crop
C : Killing branches
D : Stunting effect
Which of the following is not related to Rots?
Options
A : Discolouration of tissue
B : Degeneration of succulent tissue
C : Distortion of leaves
D : It is of two types
Necrosis cannot be in the form of _________
Options
A : Lesions
B : Scabs
C : Cankers
D : Rots
Which of the following is not a common symptom of plant disease?
Options
A : Necrosis
B : Leaf curls
C : Perfect flowering
D : Chlorosis
Which of the following is not a method by which pathogens affect the yield of crops?
Options
A : Reduce the quantity of yield
B : Reduce the quality of crop produce
C : Increase in cost production
D : Increase the flowering period
Which of the following is not a method of the perpetuation of disease by the pathogen?
Options
A : The entry of pathogen through natural openings
B : Reproduction by pathogen
C : Reducing the quantity of yield
D : Direct penetration of the pathogen
Plant diseases are broadly classified into nonparasitic and parasitic.
Options
A : True
B : False
C :
D :
Wilting is the loss of turgidity and drooping of leaves.
Options
A : True
B : False
C :
D :
Which of the following is not true regarding Chlorosis?
Options
A : Yellowing of leaves
B : Death of plant tissues
C : Non-formation of chlorophyll
D : Destruction of chlorophyll
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