481.
"Old man's beard" is the common name of A
Funaria
B
Cladonia
C
Usnea
D
Rocella tinctoria
Answer :
Usnea
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482.
Thermococcus, Methanococcus and Methan-obacterium exemplify: A
Archaebacteria that contain protein homologous to eukaryotic core histones
B
Archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled
C
Bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria
D
Bacteria that contain a cytoskeleton and ribosomes
Answer :
Archaebacteria that contain protein homologous to eukaryotic core histones
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Thermococcus, Methanococcus and Methanobacterium exemplify archaebacteria that contain protein homologous to eukaryotic core histones.
483.
When pathogenic Streptococus is kept with non pathogenic strain of Streptococus patho genicity is transferred without the agency of virus of visual contact this Phenomena is termed A
Tranduction
B
Transformation
C
Conjugation
D
Sex duction
Answer :
Transformation
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484.
Enzymes are absent in A
Cyanobacteria
B
Viruses
C
Algae
D
Fungi
Answer :
Viruses
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485.
Paleobotany involves a help from which branch A
Palynology
B
Geography
C
Geology
D
Sociology
Answer :
Geology
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486.
Antibiotics cue disease is A
Competitive Inhibition
B
Fighting with the disease causing organism
C
Turning the pathogen out of the body
D
Removing the pain
Answer :
Competitive Inhibition
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487.
Which of the following statements is correct? A
Lichens are not good pollution indicators
B
Lichens do not grow in polluted areas
C
Algal component of lichens is called mycobiont
D
Fungal component of lichens is called phycobiont
Answer :
Lichens do not grow in polluted areas
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488.
Nutrition in Amoeba is A
Holophytic
B
Holozoic
C
Saprophytic
D
Saprozoic
Answer :
Holozoic
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489.
There exists a close association between the alga and the fungus within a lichen. The fungus A
provides protection, anchorage and absorption for the alga
B
provides food for the alga
C
fixes the atmospheric nitrogen for the alga
D
releases oxygen for the alga
Answer :
provides protection, anchorage and absorption for the alga
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490.
Albugo draws nutrition form its host by A
Extra cellular phagocytosis
B
Club shaped conifiophores
C
Tuberculate rhizoids
D
Globular or Button shaped hasutoria
Answer :
Globular or Button shaped hasutoria
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