Plant Pathology Question Bank PDF | Pest Control Multiple Choice Questions
1. Fungicides are used for checking the infection
(a) bacteria
(b) fungi
(c) virus
(d) Both (b) and (c)
Ans. b
2. Which of the following is not a method of plant disease control?
(a) Pathogen exclusion
(b) Pathogen eradication
(c) Inoculation of pathogen
(d) Plant protection
Ans. c
3. Fungicide is a
(a) amino acid
(b) hormone
(c) pesticide
(d) mineral
Ans. c
4. Sterilisation of soil is a part of
(a) pathogen exclusion
(b) pathogen eradication
(c) plant protection
(d) None
Ans. b
5. Sanitation is a part of which of the following method of plant disease control?
(a) Plant exclusion
(b) Piant eradication
(c) Plant protection
(d) None of the above
Ans. b
Plant Pathology Mock Test | Objective Plant Pathology MCQs for Competitive Examinations
6. Use of various techniques of plant disease control under one roof is called
(a) IM
(b) CPM
(c) TPM
(d) None of these
Ans. a
7. Use of latest pesticide is the part of
(a) pathogen exclusion
(b) pathogen eradication
(c) plant breeding
(d) integrated management
Ans. d
8. Roguing and pruning of affected plants is necessary for
(a) hybridisation
(b) pathogen eradication
(c) plant breeding
(d) tissue culture
Ans. b
9. The bordeaux mixture, an inorganic copper fungicide used for the treatment of plant diseases was developed by
(a) Paul Berg
(b) Louis Pasteur
(c) Joseph Lister
(d) JH Millardet
Ans. d
10. In plant disease control, protection of the host from any pathogen is
(a) curative measure
(b) roughing
(c) prophylactic method
(d) therapeutic method
Ans. c
Plant Pathology Objective Questions Answers PDF
11. Which of these is a fungicide?
(a) BHC
(b) DDT
(c) Bordeaux mixture
(d) 2, 4-D
Ans. c
12. A biological control practice is
(a) tillage
(b) crop rotation
(c) roughing
(d) hyperparasitism
Ans. d
13. Exclusion of plant disease by legislation is known as
(a) disease resistance
(b) plant quarantine
(c) biological control of plant
(d) cultural control
Ans. b
14. The chemical present in flit is
(a) malathion
(b) DDT
(C) BHC
(d) Aldicrab
Ans. a
Plant Protection MCQs | Plant Pathology Previous question papers
15. The common mode of action of herbicide is
(a) blocking of phloem
(b) blocking of xylem
(c) blocking of photosystem-1
(d) blocking of photosystem-2
Ans. d
16. Clchineal insect has been used, in checking the growth of
(a) Opuntia
(b) Eichhornia
(c) aphids
(d) screw worm
Ans. a
17. Which of the following is weedicide?
(a) Mala thione
(b) Carbamates
(c) Bordeaux mixture
(d) 2, 4D
Ans. d
18. Which of the following is not matched? Malathion Carbofuran
(a) Organophosphate
(b) Carbamate
(c) Organochlorine
(d) Pyrethroid DDT Atrazine
Ans. d
19. Natural insecticide obtained from plant
(a) azadirachtin
(b) rotenone
(c) pyrethrum and cinerin
(d) All of these
Ans. d
20. The pesticides having very low biodegradation and strong affinity for fatty tissue are
(a) Organochlorine
(b) Triazenes
(c) Organophosphate
(d) Pyrethroids
Ans. a
