Q. 1. The optimum temperature for better crop production is between……………..
a) 12-18 °C
b) 24-30 °C
c) 18-24 °C
d) 30-35 °C
Q. 2. The Agroclimatic zone XIII, comprising the state gujarat represents ……………… type climate.
a) Semi arid
b) Arid to dry sub-humid
c) Arid to extremely arid
d) Humid
Q. 3. The mustard crop planted at a spacing of 50 x 20 cm will have ……………. plants/ha.
a) 75,000
b) 1,00,000
c) 1,25,000
d) 1,50,000
Q. 4. The spray drift of 2,4 – D (ester form) can cause considerable damage in …………….
a) Surghum
b) Wheat
c) Maize
d) Cotton
Q. 5. North of the equator, surface winds are known as
a) Northeast trade winds
b) Southeast winds
c) Westerlies
d) Easterlies
Q. 6. Wavelength longer than …………………… m/u is not visible to the eye, and are called infrared.
a) 550
b) 650
c) 750
d) 450
Q. 7. Biogeochemical nutrient cycles have led to recognize that …….. is very important.
a) Over fertilization
b) Balanced fertilization
c) Under fertilization
d) None of these
Q. 8. Nitrate levels in drinking water above ……………… mg per liter are considered as a human health hazard.
a) 5
b) 10
c) 15
d) 20
Q. 9. The book ” Annals of Agriculture” is published by:
a) Jethro tull
b) Van helmont
c) Arthur young
d) Blackman
Q. 10. Yellow revolution is associated with:
a) Pulse Production
b) Fruit Production
c) Milk Production
d) Oilseeds Production
Q. 11. Which element is a part of cytochrome oxidase?
a) Mg
b) Fe
c) Mo
d) All of these
Q. 12. In an average well decomposed FYM(Farmyard manure) contains
a) 0.5% N2
b) 0.2% P2O5
c) 0.5% K2O
d) All of these
Q. 13. Which of the following contains highest nutrients?
a) Compost
b) FYM
c) Droppings of sheep & goat
d) None of these
Q. 14. What is the drawback of poultry manure?
a) It ferments very quickly
b) It has less nutrient content
c) It smells badly
d) None of these
Q. 15. Trench method of FYM preparation is also known as
a) Pit method
b) Dr. C. N. Acharya method
c) Heap method
d) None of these
Q. 16. Which of the following is suitable method for application of FYM?
a) To Mix with seeds
b) Foliar
c) To spread uniformly on the surface of soil
d) None of these
Q. 17. The system of composting is
a) Bangalore method
b) Indoor method
c) Activated compost process
d) All of these
Q. 18. Muriate of potash is
a) K2SO4
b) (K2SO4. MgSO4) 6H2O
c) KNO3
d) All of these
Q. 19. Which of the following is not a straight fertilizer?
a) Nitrogen fertilizer
b) Phosphate fertilizer
c) FYM
d) Potash fertilizer
Q. 20. Which is the most important green manure crop?
a) Sunhemp
b) Dhaincha
c) Pillipesara
d) All of these
