1. Rice grows well in soils having pH range between ______ and ______.
(A) Below 5.5
(B) 5.5 and 6.5
(C) 7.5 and 8.0
(D) 10 and 11.5
2. Pakistan is the world's ______ largest producer of rice.
(A) 4th
(B) 20th
(C) 10th
(D) 6th
3. The average temperature required throughout the life period of rice crop ranges from ______ to ______.
(A) 15 to 20°C
(B) 21 to 37°C
(C) 40 to 45°C
(D) More than 45°C
4. Generally average yield of rice is ______ maunds per acre.
(A) 15
(B) 20
(C) 25
(D) 35
5. ______ type of soils is very suitable for growing of maize.
(A) Clay soil
(B) Sandy soil
(C) Alluvial soils
(D) Hard soils
6. For maize crop, the general recommended dose fertilizer is N₂ = ______ kg, P₂O₅ = 25 kg, and K₂O = 16 kg per acre for hybrid varieties.
(A) 10 kg
(B) 30 kg
(C) 15 kg
(D) 50 kg
7. Seed rate of maize for fodder crop or for broadcasting is ______ to ______ kg per acre.
(A) 8 to 10
(B) 12 to 15
(C) 20 to 25
(D) 40 to 50
8. The yield of local varieties is ______ to ______ maunds per acre.
(A) 25 to 30
(B) 30 to 35
(C) more than 50
(D) 40 to 50
9. The normal time for sowing of high yielding varieties in irrigated areas starts in beginning of ______.
(A) December
(B) November
(C) September
(D) January
10. Usually a seed rate of ______ kg/acre is sufficient under favorable conditions of normal sowing.
(A) 20 kg/acre
(B) 40 kg/acre
(C) 30 kg/acre
(D) 60 kg/acre