1 .Silviculture is the branch of botany in which we study about-
A.  Culture of algae
B.  Development of ofrest
C.  Culture of fungi
D.  Siliciphida plant
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2 .Study of pollen grain is called-
A.  Pomology
B.  Polynology
C.  Phocology
D.  Mycology
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3 .Study of internal structure of plant-
A.  Morphology
B.  Anatomy
C.  Cology
D.  Taxonomy
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4 .Estimatin of age of woody plant by counting annual ring is-
A.  Dendrology
B.  Denrochronolgy
C.  Agronomy
D.  Demography
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5 .Study of growing plant without soil in water containing nutrient is-
A.  Hydrotonics
B.  Hydrophonics
C.  Hypotonics
D.  None
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6 .In Exo-biology we study about-
A.  External structure of living beings
B.  Life present on the earth
C.  Life present in the other layer of earth atmosphere
D.  Life found in space and on other setallite.
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7 .Xenobiotics which are inherently resistant to microbial attack are called as-
A.  Biodegradable
B.  All of the given optins
C.  Recalcitrant
D.  Persistent
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8 .Curd is sour due to presence of
A.  Citric Acid
B.  Lactic Acid
C.  Acetic Acid
D.  None of these
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9 .EBOL is a -
A.  Virus
B.  Bacteria
C.  Protozoa
D.  Fungi
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10 .Virus that infect bacteria are called
A.  Bacteriophages
B.  Basophils
C.  Basal body
D.  Basidiospores
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11 .Desease caused by HIV-
A.  Tuberculosis
B.  Cancer
C.  Acquired immune deficiency syndrome
D.  None of these
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12 .The biggest single- celled organism is
A.  Yeast
B.  Acetabularia
C.  Acetobacter
D.  Amoeba
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13 .Agar - Agar is obtained from -
A.  Fungi
B.  Algae
C.  Moss
D.  Bacteria
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14 .Red rot of sugarcane is caused by
A.  Colletotrichum falcatum
B.  Cercospora percoruata
C.  Alternaria alternate
D.  Phylophthora infestans
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15 .Aflatoxins are produced by -
A.  Fungi
B.  Bacteria
C.  Algae
D.  Viruses
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