MCQ on Phytopathology

MCQ on Phytopathology

Read MCQ on Phytopathology.

Phytopathology MCQ

Phytopathology quiz and mcq

Question 01. What is the cause bitter pit of apple (due to Ca deficiency).

(a). Ca deficiency
(b). Iron deficiency
(c). B deficiency
(d). All of the above

Question 02. Which is a protozoan disease?

(a). Hartrot of coconut palm
(b). Phloem necrosis of coffee
(c). Both a and b
(d). None of the above

Question 03. Of which plant is loranthus a flowering parasite?

(a). Mango
(b). Sapota
(c). Poplar
(d). All of the above

Question 04. Which is true about a soil borne plant disease?

(a). A “disease” is never soil-borne
(b). It is its causal agent that is soil borne
(c). Both a and b
(d). None of the above

Question 05. What are tar spots?

(a). Fungus body
(b). Bacterial pustule
(c). Galls in a plant
(d). None of the above

Plant pathology

Question 06. What is etiolation?

(a). It is the loss of green colour due to prolonged exposure to darkness
(b). Yellowing due to the influence of low temperature, lack of iron, excess of lime or alkai etc.
(c). Leaves are devoid of any pigment
(d). None of the above

Question 07. What is atrophy?

(a). It is the active growth of terminal shoots due to harmonal activities in plants
(b). It is the inhibition of growth resulting in stunting or dwarfing
(c). It is the visual presentation of the growth of a plant in different steps
(d). None of the above

Question 08. In his writings, Theophrastus elaboratelty mentioned which plant disease?

(a). Rust
(b). Mildew
(c). Blight
(d). All of the above

Question 09. Who studied fungi for the first time?

(a). Leeuwenhoek
(b). Micheli
(c). Tillet
(d). None of the above

Question 10. Who is considered father of phytobacteriology?

(a). E. F. Smith
(b). T. J. Burril
(c). H. W. Burkholder
(d). Beijernck

Phytopathology objective questions

Question 11. Which type of bacteria is Phytoplasma?

(a). Phloem inhabiting
(b). Xylem inhabiting
(c). Both a and b
(d). None of the above

Question 12. Which type of bacteria is Spiroplasma?

(a). Phloem inhabiting
(b). Xylem inhabiting
(c). Both a and b
(d). None of the above

Question 13. Which is the most effective fungicide against blight?

(a). Copper fungicide
(b). Zinc fungicide
(c). Manganese fungicide
(d). None of the above

Question 14. Who (Indian scientist) identified fungi for the first time in India?

(a). J. F. Dastur
(b). K. R. Kartikar
(c). J. C. Luthra
(d). M. J. Thirumalachar

Question 15. Streptomycetes resembles which of the following?

(a). MLO
(b). Virus
(c). Fungi
(d). None of the above