Quiz 5
41) Which of the following is long period residual?
(A) Anilofos
(B) Atrazine
(C) 2,4D sodium salt
(D) All of these
Correct Answer :Atrazine
42) Compounds used for protecting crop plants, which are susceptible to some
herbicides are called as
(A) Safeners
(B) Protectants
(C) Both the above
(D) None of these
Correct Answer :Both the above
43)“Paraquat spray” can be inactivated by spraying
(A) 1% ferric chloride
(B) 1% CaCl2
(C) 1% NaCl
(D) All of these
Correct Answer :1% ferric chloride
44) Compounds which aid the herbicide availability at the action site in plants are
called
(A) Adjuvant
(B) Acetone
(C) Antibody
(D) All of these
Correct Answer :Adjuvant
45) Which of the following thickening agents are used with herbicides?
(A) Benzene
(B) Acetone
(C) 2, 4D
(D) Sodium alginate
Correct Answer :Sodium alginate
46) When the resistant plant posses two or more distinct resistance mechanism to a
single or groups of herbicides is termed as
(A) Grass resistance
(B) Multiple resistance
(C) Both the above
(D) None of these
Correct Answer :Multiple resistance
47) Which of the common crop rotation under irrigated fields condition of Coimbatore
district?
(A) RagiCottonSorghum/
(B) Ricecotton
(C) WheatRiceWheat
(D) RicePeasMoong
Correct Answer :RagiCottonSorghum
48) Which of the following is a fumigant herbicide?
(A) Methyl bromide
(B) Methane
(C) Both the above
(D) None of these
Correct Answer :Both the above
49) Foliage applied herbicide in
(A) Glyphosphate
(B) Nitralin
(C) Methane
(D) None of these
Correct Answer :Glyphosphate
50) Water content of apical portion of roots and shoots is
(A) 50%
(B) >90%
(C) <70%
(D) <20%
Correct Answer :>90%
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Keyword :- agronomy question bank
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Agronomy is a science that looks at agriculture from an integrated, holistic perspective, informing practical decisions pertaining to food and fiber production. Agronomy requires integration of many sciences, and collaborations among many diverse fields, including soil, plant, and weed sciences, as well as the disciplines such as ecology, entomology, climatology, and economics. Effective crop production methods are grounded in scientific research and thus are by nature continually evolving and improving.
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