Which of the following is NOT a benefit of drip irrigation in agriculture?
AWater conservation
BIncreased fertilizer runoff
CReduced weed growth
DImproved crop yield
Correct Answer: B. Increased fertilizer runoff
Explanation:
Drip irrigation reduces fertilizer runoff by delivering water and nutrients directly to plant roots. It conserves water, reduces weeds, and improves yields - making option B the only non-benefit.
If a farmer in Bihar applies 50 kg of urea per hectare and the urea contains 46% nitrogen content, how much pure nitrogen is applied? (Show calculation)
A20 kg
B23 kg
C25 kg
D30 kg
Correct Answer: B. 23 kg
Explanation:
Calculation: Pure nitrogen = 50 kg × (46/100) = 50 × 0.46 = 23 kg of pure nitrogen per hectare. This is important for meeting nitrogen requirements in rice-wheat cropping systems.
Which organization in Bihar is primarily responsible for agricultural research and development?
AState Agricultural Department only
BIndian Agricultural Research Institute (IARI)
CRajendra Agricultural University, Pusa
DMinistry of Agriculture
Correct Answer: C. Rajendra Agricultural University, Pusa
Explanation:
Rajendra Agricultural University (RAU) located at Pusa in Bihar is the premier agricultural research institution for the state, conducting research on crops suited to Bihar's agro-climatic conditions.
The nutrient deficiency characterized by yellowing of leaves between the veins while veins remain green is known as:
ANitrogen deficiency
BIron deficiency chlorosis
CPhosphorus deficiency
DPotassium deficiency
Correct Answer: B. Iron deficiency chlorosis
Explanation:
Iron deficiency chlorosis shows interveinal yellowing (chlorosis) while veins remain green. This is common in alkaline soils and requires iron-chelate application. Other deficiencies show different symptoms.
Which agricultural scheme provides minimum support price (MSP) to farmers in Bihar for their produce?
AAgricultural Produce Market Committee (APMC) Act
BGovernment procurement through Food Corporation of India (FCI)
CBoth APMC regulation and FCI procurement
DState Agricultural Department marketing wing
Correct Answer: C. Both APMC regulation and FCI procurement
Explanation:
MSP is implemented through dual mechanisms: APMC acts as market regulator ensuring fair pricing, and FCI undertakes government procurement at MSP for crops like rice and wheat in Bihar.
A Bihar farmer has a 1-hectare field and wants to achieve a wheat yield of 50 quintals. If average wheat productivity in the region is 40 quintals per hectare, by what percentage should productivity increase?
Which of the following represents the correct sequence of steps in the Integrated Pest Management (IPM) approach?
AChemical pesticide use → Monitoring → Prevention → Cultural practices
BMonitoring → Prevention → Cultural practices → Chemical pesticide use (last resort)
CPrevention → Chemical use → Monitoring → Cultural practices
DCultural practices → Chemical use → Monitoring → Prevention
Correct Answer: B. Monitoring → Prevention → Cultural practices → Chemical pesticide use (last resort)
Explanation:
IPM follows a hierarchical approach: first monitor crop health, then use preventive measures, implement cultural practices, and use chemical pesticides only as a last resort to minimize environmental impact.
Which state has been declared as the first 'Har Ghar Jal' certified state under Jal Jeevan Mission in 2024?
AGujarat
BGoa
CKerala
DTamil Nadu
Correct Answer: B. Goa
Explanation:
Goa became India's first state to achieve 100% household water supply coverage under the Jal Jeevan Mission in 2024, making it the first 'Har Ghar Jal' certified state.
