Hello and welcome to exampundit. Today we are sharing IBPS SO Agriculture Field Officer Professional Knowledge quiz on Environmental and Soil Sciences, Horticulture.
- Which element is considered as energy currency for the plant?
(a) N
(b) P
(c) K
(d) Mo
(e) Cu
- The purpling along the leaf edges is the characteristic deficiency symptom of
(a) P
(b) K
(c) B
(d) Fe
(e) Mo
- Fe is an important component of enzymes
(a) Nitrogenase
(b) Nitrate reductase
(c) Nitrite reductase
(d) All of these
(e) None of these
- Fertilizers containing CI– ions are not suitable for
(a) Sugarcane
(b) Potato
(c) Wheat
(d) Pigeonpea
(e) Tomato
- Nitrosomonas and Nitrobacter cause nitrification are an obligate
(a) Autotrophic bacteria
(b) Heterotrophic bacteria
(c) Both (a) and (b)
(d) Saprophytes
(e) None of these
- Biuret in urea applied as a foliar spray in citrus fruits should not be more than
(a) 0.25%
(b) 0.50%
(c) 0.75%
(d) 1.50%
(e) 1.00%
- P content in DAP is
(a) 20%
(b) 36%
(c) 46%
(d) 50%
(e) 15%
- Chemical formula of single superphosphate is
(a) Ca (H2PO4)
(b) CaHPO4
(c) Ca3 (PO4)
(d) Ca (H2PO4) CaSO4 2H2O
(e) CaPO4
- Concentration of nitrogen in soil air is
(a) 70%
(b) 74%
(c) 78%
(d) 82%
(e) 60%
- Which of the following is correct?
(a) P2O5 × 0.44 = P
(b) P2O5 × 2.29 = P
(c) P2O5 × 0.83 = P
(d) P2O5 × 1.20 = P
(e) P2O5 × 0.22 = P
Regards
Team EP