671.
Infective stage of Puccinia on wheat is A
Basidiospores
B
Pycnia
C
Aeciospores
D
Teleutospores
Answer :
Aeciospores
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672.
Exobiology is the study of A
Life in atmosphere of earth
B
Life in outer space
C
Relation of living being with environment
D
Enzymes which work outside cell
Answer :
Life in outer space
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673.
Branch of Biology which deals with the manipulations at gene level so a to produce an organism with new and desired characters is A
Biotechnology
B
Genetic engineering
C
Biomedical engineering
D
Physiotherapy
Answer :
Genetic engineering
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674.
Entamoeba gingivalis found in A
Last end of tongue
B
In between gums and teeth
C
Inner surface of cheeks
D
Throat
Answer :
In between gums and teeth
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675.
Which of the following is essential for growth of mycoplasma in culture media A
N2
B
Nucleic acid
C
Cholesterol
D
Lipid
Answer :
Cholesterol
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676.
Largest among non sulpher bacteria are A
Vibrio
B
Bacillus subtilis
C
Spirillum
D
E. Coli
Answer :
Spirillum
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677.
Coenogametes are formed in A
Mucor
B
Puccinia
C
Penicillium
D
Ustilago
Answer :
Mucor
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678.
Macro and micronucleus are the characteristic feature of A
Paramecium and Vorticella
B
Opelina and Nictothisus
C
Hydra and Ballantidium
D
Vorticella and Nictothirus
Answer :
Paramecium and Vorticella
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The macronucleus lacks nuclear membrane and is formed of trophochromatin. It regulates the metabolic activities of the body and it is also known as trophonucleus. The micronucleus has a definite nuclear membrane and controls the reproductive activities of Paramecium and Vorticella.
679.
The cell anus in some protozoans is known as A
Cytopharynz
B
Cytostome
C
Cytoproct
D
Peristome
Answer :
Cytoproct
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680.
Which stain and mouth are generally used for fungi A
Cotton blue and glycering
B
Saffranine and glycerine
C
Cotton blue and Lactophenol
D
Eosine & Lactophenon
Answer :
Cotton blue and Lactophenol
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