NEET BIOLOGY

Detailed explanation-1: -"Calcium” is essential for the growth of root tips. Calcium is present in the cell walls in the form of ‘calcium pectate’. It helps in holding the plant’s cells together and for growth of the new cells.

Detailed explanation-2: -There are about 20 elements that are required for the proper growth of plants. These are known as essential elements. Carbon, hydrogen, oxygen, nitrogen, phosphorus, potassium and sulphur are some of these essential elements.

Detailed explanation-3: -Hint: Essential elements are macro/micronutrients which are required by living organisms for growth, metabolism and development. They include carbon, hydrogen, oxygen, nitrogen and sulphur.

Detailed explanation-4: -Calcium: Calcium is the element essential for the growth of root tips. Calcium is necessary for the middle lamella of the cell wall and is present in the form of calcium pectate.