Q. For a healthy heart, one needs to take a balanced diet, adequate sleep &

Explanation by: Official MCQ Buddy

For a healthy heart, it is essential to maintain a balanced diet, adequate sleep, and regular physical exercise. Exercise helps improve blood circulation, strengthens the heart muscle, reduces stress, and maintains a healthy weight, all of which contribute to cardiovascular health.
Sedentary work (A) can lead to health problems like obesity and heart disease.
Playing games like carrom, chess, and cards (B) may be good for mental health but does not contribute much to heart health.
Vigorous mental activities (D) help brain function but do not directly improve heart health like physical exercise does.