521.
Decomposer protists are
A
Diatoms
B
Dinoflagellates
C
Slimemoulds
D
Euglenoid
Answer :
Slimemoulds
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522.
Photosynthesis of Blue green algae is
A
Oxygenic
B
Non oxygenic
C
Both oxygenic and non oxygenic
D
None of the above
Answer :
Oxygenic
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523.
Antibiotics are mostly produced commercially form
A
Immune host
B
Parasitic fungi
C
Saprophytic bacteria
D
Virus & microbes
Answer :
Saprophytic bacteria
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524.
Lichens indicate $$S{O_2}$$ pollution because they
A
show association between algae and fungi
B
grow faster than others
C
are sensitive to $$S{O_2}$$
D
flourish in $$S{O_2}$$ rich environment
Answer :
are sensitive to $$S{O_2}$$
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525.
Branch of botany dealing with the development of improved verieties of plant is
A
Embryology
B
Plant breeding
C
Paletobotany
D
Economicbotany
Answer :
Plant breeding
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526.
In which class Amoeba is placed
A
Ciliata
B
Mastigophora
C
Sporozoa
D
Sarcodina
Answer :
Sarcodina
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527.
Which of the following characters indicate similarity between fungi and animals
A
Heterotrophic nutrition
B
Type of stored food
C
Presence of chitin
D
All of the above
Answer :
All of the above
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528.
Contractile vacuole found in
A
Amoeba proteus and Entamoeba
B
Plasmodium and Amoeba Proteus
C
Paramoecium and Amoeba Proteus
D
Euglena and Entamoeba
Answer :
Paramoecium and Amoeba Proteus
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529.
If an Amoeba is place in oxygen less atmosphere it
A
Dies immediately
B
Form pseudopodia
C
Form cyst
D
Rapidly multiples
Answer :
Dies immediately
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530.
"Scrapie" disease of cattle's is caused by
A
Bacterium
B
Virus
C
Prion
D
Mycoplasma
Answer :
Prion
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