71.
In Amoeba pseudopodia are formed
A
Due to change of plasmagel to plasmasol and plasmasol to plasmagel.
B
Due t o protoplasmic streaming
C
Due to surface tension
D
Due to Brownian movement
Answer :
Due to change of plasmagel to plasmasol and plasmasol to plasmagel.
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72.
Plant decomposers are
A
Monera and fungi
B
Fungi and plants
C
Protista and animalia
D
Animalia and monera
Answer :
Monera and fungi
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Plant decomposers are bacteria (Kingdom Monera) and fungi.
73.
Which of the following are most suitable indicators of $$S{O_2}$$ pollution in the environment?
A
Conifers
B
Algae
C
Fungi
D
Lichens
Answer :
Lichens
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74.
"Naked fungi" (Slime moulds) are naked
A
When they are reproducing
B
When they are not reproducing
C
Always naked
D
Never naked
Answer :
When they are not reproducing
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75.
What holds the conidia together into a chain in cytopus (Albugo
A
Middle lamella
B
Cell-wall
C
Intercalary mucilagenous septum
D
Plasmodesmata
Answer :
Intercalary mucilagenous septum
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76.
Under unfavourable conditions Amoeba reproduces by
A
Budding
B
Binary fission
C
Sporulation
D
Conjugation
Answer :
Sporulation
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77.
Hyman propsoed the changed of viscocity theory or sol gel theory for the first time, later on who advocate it
A
Dobell
B
Mast and Pantin
C
Mast
D
Dellinger
Answer :
Mast and Pantin
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78.
Viral envelope (which is out side the protein coat) is composed of
A
Protein
B
Lipid
C
Lipo protein
D
Mucilage
Answer :
Lipo protein
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79.
Edible part in mushrooms
A
Basidiospores
B
Mycelium
C
Pseudomycelum
D
Complete basidiocarp
Answer :
Complete basidiocarp
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80.
Influenza virus has
A
DNA
B
RNA
C
both DNA and RNA
D
only proteins and no nucleic acids
Answer :
RNA
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