Q. Which among the following statements is not true?
1) Rust is a disease found in wheat
2) Early blight is a disease found in Potato
3) False smut is a disease found in barley
4) Khaira is a disease found in paddy
Q. The water holding capacity of defferent types of soils decreases in the order -
1) Clay > Silt > Sand
2) Clay > Sand > Silt
3) Sand > Silt > Clay
4) Silt > Sand > Clay
Q. Groundwater mining in coastal areas can result into -
1) increase in the salinity of groundwater
2) decrease in the toxicity of groundwater
3) decrease in the salinity of groundwater
4) increase in the water table
Q. Which of the following is not an important characteristic of the Green Revolution ?
1) Mechanized agriculture
2) Hybrid seeds
3) Slash and burn
4) Monoculture
Q. The three primary soil macronutrients are -
1) carbon, oxygen, and water
2) copper, cadmium and carbon
3) potassium, phosphorus and nitrogen
4) boron, zinc and manganese
Q. Which of the following is negative effects on the soil and water due to conventional, mechanized farming practices ?
1) Reduction in soil organic matter
2) Soil erosion
3) Leaching of pesticides and fertilizers into the groundwater
4) All of the above
Q. Match List-I with List-II and select the correct answer by using the codes given below :
List-I
(a)Green Revolution
(b)White Revolution
(c)Yellow Revolution
(d)Blue Revolution
List-II
1. Oil Seeds
2. Foodgrains
3. Fish and Aquaculture
4. Milk and milk products
1) (a-2), (b-1),(c-4), (d-3)
2) (a-2), (b-4), (c-1), (d-3)
3) (a-3), (b-4), (c-1), (d-2)
4) (a-1), (b-2),(c-3), (d-4)
Q. Crop logging is a method of -
1) Soil fertility evaluation
2) Plant analysis for assessing the requirement of nutrients for crop production
3) Assessing crop damage
4) Testing suitability of fertilisers
Q. Seed that is changed every year is known as -
1) Breeder seed
2) Certified seed
3) Foundation seed
4) Hybrid seed
Q. The gas which emits for rice field is -
1) Ethane
2) Methane
3) Nitrogen
4) All of the above
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