Question

Besides the big four, protoplasmic elements include

• A. Sulphur and Phosphorous
• B. Sodium and Potassium
• C. Calcium and Magnesium
• D. Chromium and Selenium

Answer 1

The correct option is A Sulphur and Phosphorous

The cellular fluid present inside the nucleus is known as nucleoplasm. The cellular fluid present between the nuclear membrane and the cell membrane is known as cytoplasm. The combination of cytoplasm and nucleoplasm is known as protoplasm.

Oxygen is the most abundant element for the living organism. It is used for respiration. The oxygen inhaled supports oxidation of food and releases energy. It plays an important role in oxidative phosphorylation occurring in the mitochondria. The process produces energy in the form of ATP.

Nitrogen is an important component of the amino acids which is a monomer of protein.

Carbon and hydrogen are important constituents of carbohydrates which is a instant source of energy.

Phosphorous forms an important component of ATP which is known as energy currency of the cell.

Sulfur is an integral part of amino acids like methionine which plays an important role in transcription.

So, the correct answer is option A.