1. Rickets occurs when a child's growing bones do not develop due to vitamin D deficiency.

2. Vitamin D is an essential nutrient that helps in the absorption of calcium and phosphate.

3. Symptoms of rickets include.

- Pain and tenderness in the bones of the feet and hands

- curvature in the bones of the legs

- pain in shoulders and hips

- muscle weakness

1. On November 26, 1949, the Constituent Assembly adopted the Indian Constitution. However, it was implemented throughout the country from January 26, 1950.

2. Since 2015, the Government of India has declared 26 November as Constitution Day. The objective of this decision is to promote the importance of the Constitution and educate citizens about their rights and duties.

Income which is not produced by any production process  is called transfer income. It is generally money received by  an individual or family from the state or other body, often the  pension or unemployment benefit.

1. 'Microliths' were stone tools used by early humans.

2. 'Microliths' were used by early humans for hunting and food collection.

3. Microliths were used for other purposes as well.

- cutting bone and wood

- grinding seeds

- knitting clothes

The Current payment on foreign loans are not included in personal Income. In economics, personal income refers to an individual’s total earnings from wages, investment enterprises, and other ventures. It is the sum of all the incomes received by all the individuals or household during a given period.