Select one option out of four given options

First discovery of bacteria as plant pathogen is


(1)  E.J. Butler
(2)  E.F. Smith
(3)  T.J. Burril
(4)  A.S. Sussman


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The correct answer is (3)

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First product of photosynthesis in C3 and C4 plants are


(1)  Citric Acid and Malic acid
(2)  Aspartic Acid and Glumatic acid
(3)  Pyruvic Acid and Glycolic Acid
(4)  Phosphoglyceric acid and Oxaloacetic acid


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The correct answer is (4)

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First successful attempt for purification and crystallization of virus was done by


(1)  S.A. Waksman
(2)  F.C. Bawden
(3)  W.M. Stanley
(4)  F.O Holmes


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The correct answer is (3)

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Foot and mouth disease is caused by


(1)  Clostridium
(2)  Virus
(3)  Streptococcus
(4)  Pasteurella


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The correct answer is (2)

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Basic unit of classification is known as


(1)  Genus
(2)  Species
(3)  Genra
(4)  Family


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The correct answer is (2)

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