Impact Analysis of School Schemes

The question asks to identify the scheme that positively affects calorie intake, school enrolment, attendance, and cognitive skills.

Evaluating Scheme Effectiveness

Let's analyze the impact of each option:

• Mid-day Meals: This scheme directly provides nutritional meals to students at school. This addresses calorie intake, reduces hunger, and incentivizes parents to send children to school, thus improving enrolment and attendance. Studies suggest improved nutrition also enhances concentration and learning, boosting cognitive skills.
• Public Distribution System (PDS): PDS aims to provide subsidized food grains to the population but is not directly linked to school-specific metrics like attendance or cognitive skills.
• Free Bicycles to Girls: This initiative primarily targets improving girls' access to secondary education by reducing travel distance and time, thereby boosting attendance and enrolment. However, it doesn't directly impact calorie intake or cognitive skills.
• MGNREGA (Mahatma Gandhi National Rural Employment Guarantee Act): This scheme guarantees rural employment, aiming to enhance livelihood security. While it might indirectly improve household calorie intake through increased income, it doesn't have a direct impact on school-specific parameters like enrolment, attendance, or cognitive skills.

Conclusion on Mid-day Meals

The Mid-day meal scheme is specifically designed to address nutritional deficiencies and improve educational outcomes simultaneously. Its multi-faceted benefits align perfectly with all the criteria mentioned in the question:

• Calorie Intake: Direct provision of meals.
• Enrolment & Attendance: Acts as an incentive for schooling.
• Cognitive Skills: Improved nutrition leads to better concentration and learning capacity.

Therefore, the Mid-day meal scheme is the most fitting answer.