IBPS - SO - AGRICULTURE - QUIZ : 29.12.2015

Q.1. Nutrient ion liable to be fixed in 2:1 clay mineral is

(1) H2PO4- 

(2) Fe++ 

(3) NH4+ 

(4) Zn++

(5) K3PO4

Ans: (3)

Q.2. C/N ratio of stable soil O/M is about:

(1) 30:1

(2) 20:1

(3) 10:1

(4) 25:1

(5) 15:1

Ans: (3)

Q.3. Cropping system now popular in irrigated north Indian states is:-

(1) Paddy-Mustard 

(2) Paddy- Wheat 

(3) Maizes Wheat-Green gram 

(4) Paddy-Potato

(5) Wheat-Peas

Ans: (2)

Q.4. Rbizobium strain suitable for inoculation of berseem seeds is:

(1) R. trifolii

(2) R. Japonicum

(3) R. meliloti

(4) R. leguminosarum

(5) Both 1 and 3 

Ans: (1)

Q.5. Which one is organic nitrogenous fertilizer?

(1) Ammonium sulphate

(2) Urea

(3) Calcium Ammonium Nitrate

(4) Ammonium Chloride

(5) Di-Ammonium Phosphate

Ans: (2)

Q.6. The plant component broken first on addition in soil is:

(1) Cellulose

(2) Hemicellulose

(3) Proteins

(4) Lignin

(5) Chitin

Ans: (3)

Q.7. The normal titratable acidity in fresh cow milk is:

(1) 0.17% 

(2) 0. 21%

(3) 0.15% 

(4) 0.41%

(5) 0.55%

Ans: (3)

Q.8. The overrun in ice cream is:

(1) 75%

(2) 50% 

(3) 125%

(4) 100%

(5) 150%

Ans: (4)

Q.9. The optimum temperature for the growth of mesophilic bacteria is:

(1) 20 oC - 22 oC 

(2) 30 oC - 32 oC

(3) 40 oC - 42 oC 

(4) 50 oC - 52 oC

(5) 58 oC - 62 oC

Ans: (2)

Q.10. The antioxidants in ghee can be added at the rate of:

(1) 0.01% 

(2) 0.02% 

(3) 0.03% 

(4) 0.05% 

(5) Not allowed

Ans: (4)