(a) Describe the vicious cycle of poverty and enlist the existing policy instruments for combating malnutrition. 20 (b) Enlist…

Part (a): The Vicious Cycle of Poverty and Malnutrition

The relationship between poverty and malnutrition is a bidirectional trap, often described as a vicious cycle. Low income restricts household expenditure, forcing families to prioritize quantity over quality in their diet. This results in a lack of dietary diversity, leading to micronutrient deficiencies and stunting in children. Malnourished individuals suffer from reduced physical and cognitive capacity, which lowers their productivity and earning potential in the labor market. Consequently, this diminished productivity perpetuates low income, ensuring the cycle continues across generations. In India, this is evident in the high prevalence of stunting among children in low-income agrarian communities.

To combat this, the Indian government has deployed a multi-pronged policy framework. The Integrated Child Development Services (ICDS) scheme provides supplementary nutrition and health check-ups to children under five and pregnant/lactating women. The Mid-Day Meal (MDM) scheme targets school children, ensuring regular meals to improve attendance and nutritional status. The National Food Security Act (NFSA), 2013 guarantees subsidized food grains to eligible households, addressing the income constraint directly. More recently, PM-POSHAN (Pradhan Mantri Poshan Shala Abhiyan) has replaced MDM, aiming to provide hot, cooked meals in schools. For specific deficiencies, the Anaemia Mukt Bharat strategy focuses on iron-folic acid supplementation and dietary diversification. The overarching POSHAN Abhiyaan (National Nutrition Mission) integrates these efforts to reduce stunting, wasting, and anemia, targeting a 3% annual reduction in stunting and wasting.

Part (b): Dos and Don’ts in Pesticide Usage

Safe pesticide management is critical to prevent environmental degradation and health hazards, guided by the Insecticides Act, 1968 and the FAO Code of Conduct.

Purchase: Dos: Buy only from licensed dealers with valid registration numbers. Check the label for the WHO hazard classification (e.g., Class Ia, Ib, II, III) and ensure the product is registered for the specific crop. Don’ts: Never purchase unbranded, expired, or repackaged pesticides. Avoid buying from informal sources that lack quality assurance.

Handling: Dos: Use personal protective equipment (PPE) such as gloves, masks, and goggles. Store pesticides in their original, tightly sealed containers in a locked, ventilated area away from food and water sources. Don’ts: Never transfer pesticides to food or drink containers. Do not store them in open areas where children or animals can access them.

Application: Dos: Calibrate the sprayer to ensure the correct dose per hectare. Apply pesticides during calm weather conditions, preferably early morning or late evening, to avoid drift and high temperatures. Don’ts: Do not spray against the wind direction. Never exceed the recommended dosage or pre-harvest interval (PHI). Avoid spraying during rain or high winds.

Disposal: Dos: Perform triple rinsing of empty containers. The rinse water must be added to the spray tank and applied to the target crop or field, ensuring no chemical waste is discarded. Empty containers should be crushed and disposed of in designated hazardous waste pits or collection centers. Don’ts: Do not bury rinse-waste in soak pits or open fields, as this contaminates soil and groundwater. Never burn empty containers in open areas, as this releases toxic fumes.

Part (c): Biotic Stress and Salicylic Acid

Biotic stress refers to physiological damage caused by living organisms, including pathogens (bacteria, fungi, viruses), pests (insects, nematodes), and competing weeds. This is distinct from abiotic stress, which is caused by non-living factors like drought or salinity.

In response to biotic stress, plants activate Systemic Acquired Resistance (SAR), a long-lasting, broad-spectrum defense mechanism. Salicylic Acid (SA) is the key signaling molecule in this process. Upon initial infection, SA levels rise in the local tissue. This triggers the activation of the NPR1 (Non-Expressor of PR Genes 1) pathway. NPR1 acts as a central regulator, moving to the nucleus to activate the expression of Pathogenesis-Related (PR) genes. These genes produce proteins that enhance the plant’s defense, such as chitinases and glucanases, which degrade pathogen cell walls. SA also promotes the production of reactive oxygen species (ROS) and strengthens cell walls, making the plant resistant to subsequent attacks by the same or different pathogens.

Conclusion

Addressing the poverty-malnutrition cycle requires sustained investment in social security schemes like PM-POSHAN and NFSA. Simultaneously, strict adherence to pesticide safety protocols is essential to protect farmer health and food safety. Understanding plant defense mechanisms like SAR through salicylic acid signaling offers a biological basis for developing resistant crop varieties, which can reduce crop losses and enhance food security, thereby indirectly supporting the nutritional goals of the nation.