211.
Which of the following secretes toxins during storage conditions of crop plants A
Aspergillus
B
Penicillium
C
Fusarium
D
Colletotrichum
Answer :
Aspergillus
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212.
Neurospora, which is popularly known as drosophilla of plant kingdom belongs to A
Phycomycetes
B
Ascomycetes
C
Basidiomycetes
D
Deuteromycetes
Answer :
Ascomycetes
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213.
Mostly parasitic bacteria are A
Intra cellular
B
Inter cellular
C
Obligate
D
None of the above
Answer :
Inter cellular
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214.
Retting of fibers is done by A
Azotobactor
B
Clostridium
C
Rhizobium
D
Pseudomonas
Answer :
Clostridium
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215.
Specialized cells for fixing atmospheric nitrogen in Nostoc are A
Akinetes
B
Heterocysts
C
Hormogonia
D
Nodules
Answer :
Heterocysts
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Heterocysts are large sized, thick-walled specialised cells which occur in terminal, intercalary or lateral position in filamentous cyanobacteria, e.g., Nostoc. They have enzyme nitrogenase and are specialised to perform biological nitrogen fixation.
216.
A flask shaped fruiting body of Ascomycetes is called A
Sclerotium
B
Apothecium
C
Cliestothecium
D
Perithecium
Answer :
Perithecium
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217.
T.N. Khushoo, Sunder lal Bahuguna and Baba Amte are A
Environmentalist
B
Botanist
C
Zoologist
D
Phycologists
Answer :
Environmentalist
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218.
Study of processes involved in fossilsation of plants and animals is called A
Taphonomy
B
Sphygmology
C
Sonolgy
D
Tricology
Answer :
Taphonomy
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219.
Which of the following is a character of prokaryotes A
Presence of membrane bound cell organelles
B
Presence of distinct nucleus
C
Nucleus is not distinct and cell wall is composed of mocupeptide
D
Cytoplasm contain 80s ribosomes
Answer :
Nucleus is not distinct and cell wall is composed of mocupeptide
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220.
The diatomaceous earth is used to insulate boilers and steam pipes because A
The wall of diatoms is deposited with calcium
B
The diatomaceous earth is cheap
C
It is a good conductor of heat
D
The wall of diatoms is made of silica
Answer :
The wall of diatoms is made of silica
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