Q.1 Who of the following is regarded as “Father of Modern Plant Pathology?
R.S. Singh Millardet Anton de Bary
Q.2 Direct dispersal is also known as:________.
Active dispersal Passive dispersal Both
Q.3 Who is considered as “Father of Mycology”?
P.A. Micheli Anton de Bary Millardet
Q.4 The initial invasion of a host by a pathogen is known as :_________.
Penetration Virulent Transmission
Q.5 Primary infection :___________.
Initiate the disease Spread the disease Both
Q.6 Organism which survive indefinitely in the soil as saprophytes in the absence of the host plant is known as :_______.
Soil invaders Rhizosphere colonizers Soil inhabitants
Q.7 Which of the following disease is an example of autoecious rust?
Bajra rust Black stem rust of wheat Linseed rust
Q.8 A parasitic fungus that require two different kinds of hosts to complete its life cycle is called as :__________.
Autoecious rust Heteroecious rust Both
Q.9 Alternate host of black stem rust of wheat is _________.
Bajra Brinjal Barberry
Q.10 Fusarium spp. persist in the soil as dormant structure like______.
Oospores Chlamydospores Sclerotia
Q.11 Black scurf of potato was introduced in Gujarat through seed tubers brought from the source of the_____.
Maharashtra Madhya Pradesh Himachal Pradesh
Q.12 Leaf curl of chilli is transmitted by______.
Aphid Whitefly Jassid
Q.13 Pigeonpea sterility mosaic virus is transmitted by_______.
Aphid Whitefly Eryophyiid mite
Q.14 Bacteria enter plants mostly through______.
Wounds Stomata Lenticels
Q.15 Which of the following fungi is an example of ectoparasite?
Downy mildew Early blight Powdery mildew
Q.16 When the defence mechanism is controlled by a single gene pair is called as :__________.
Oligogenic resistance Monogenic resistance Polygenic resistance
Q.17 Which of the following is a compound interest disease?
Damping off disease Vascular wilt disease Stem rust of wheat
Q.18 HS toxin is produced by___________.
Helminthosporium maydis Helminthosporium carbonum Helminthosporium sacchari
Q.19 Generally non-systemic fungicides are used in concentration of____________.
1 to 2 % 0.2 to 0.3% 2 to 4 %
Q.20 Crop rotation is recommended for the management of:___________.
Seed borne disease Soil borne disease Air borne disease
Q.21 Plant viruses are quickly transmitted by_______.
Aphids Whitefly All the above
Q.22 The pathogens which require living host for multiplication are known as______.
Biotrophs Nectrotrophs Both
Q.23 Which of the following growth regulator is involved in premature ripening of banana?
Ethylene Auxins Gibberellins
Q.24 Simple interest disease is___________.
Monocyclic Polycyclic Both
Q.25 In India, Destructive Insects and Pests Act passed in:___________.
1812 1914 1912
Number of score out of 25 = Score in percentage =
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