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Agriculture Exams (Agri Croppro) – Page 9
#160. Fungal structure used for attachment to the host surface
A
Penetration peg
B
Germ tube
C
Haustorium
D
Appressorium
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Answer:
Appressorium
#161. Some fungal pathogens form this structure to obtain nutrients from the host
A
Germ tube
B
Sporeling
C
Infection hypha
D
Haustorium
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Answer:
Haustorium
#162. In the absence of plant in field, fungal pathogens will not survive in
A
Plant debris
B
Soil
C
Seeds
D
Human beings
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Answer:
Human beings
#163. Characteristics of fungi
A
Eukaryotic
B
Prokaryotic
C
Chlorophyllous
D
Photosynthesis
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Answer:
Eukaryotic
#164. Not a source of pathogen inoculum
A
Soil
B
Infected weeds
C
Plant debris
D
Uninfected plant
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Answer:
Uninfected plant
#165. The presence of different nuclei in the same mycelium is
A
Heterotrophism
B
Hermaphrodite
C
Heterokaryosis
D
Heterothallism
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Answer:
Heterokaryosis
#166. Example of sexual pores are
A
Zoospores
B
Uredospores
C
Chlamydospores
D
Ascospores
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Answer:
Ascospores
#167. Example of asexual spores are
A
Teliospores
B
Zygospores
C
Oospores
D
Conidia
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Answer:
Conidia
#168. The walls of fungi generally contain
A
Chitin
B
Glucan
C
Chitin and glucan
D
Pectin
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Answer:
Chitin and glucan
#169. Clearly demonstrated that fungi are the cause, and not the result of plant diseases
A
De Bary
B
Prevost
C
Kuhn
D
Burril
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Answer:
De Bary
#170. Dean of Filipino Plant Pathologist
A
Gonzales
B
Ocfemia
C
Teodoro
D
Orillo
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Answer:
Ocfemia
#171. A common symptom of disease caused by fungi
A
Mosaic
B
Sarcody
C
Spot
D
Yellowing
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Answer:
Spot
#172. Signs that do not indicate fungal infection
A
Mycelial tuffs
B
Spores
C
Sclerotia
D
Gummosis
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Answer:
Gummosis
#173. Fungi like Aspergillus flavus and A. parasiticus infecting cereal and legumes seeds produce a carcinogenic toxin which is
A
Mycotoxin
B
Aflatoxin
C
Fumonisin
D
Tabtoxin
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Answer:
Aflatoxin
#174. Which among the following phyla belong to the kingdom of true fungi
A
Oomycote
B
Zygomycota
C
Myxomyocota
D
Plasmodiophoromycota
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Answer:
Zygomycota
#175. Fungi belonging to Class Oomycetes are commonly called the
A
Rust fungi
B
Plasmodiophoroid fungi
C
Powdery mildew fungi
D
Downy mildew fungi
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Answer:
Downy mildew fungi
#176. A known non-spore forming fungus is
A
Fusarium
B
Aspergillus
C
Rhizoctonia
D
Pyricularia
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Answer:
Rhizoctonia
#177. The asexual stage of fungi is also known as the
A
Pleomorph stage
B
Anamorph stage
C
Teleomorph stage
D
Holomorph stage
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Answer:
Anamorph stage
#178. The fungal inocula that initiate rust disease outbreak in the tropics are the
A
Uredospores
B
Teliospores
C
Basidiospores
D
Aeciospores
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Answer:
Uredospores
#179. The fungus merely covering the surface of the plant without necessarily parasiting it
A
Sooty mold
B
Slime mold
C
Powdery mold
D
Grey mold
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Answer:
Sooty mold
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