The correct answer is option 'B' - II and III.

I. Hydrogen cycle and water cycle:
- The hydrogen cycle refers to the movement and transformation of hydrogen in the environment.
- It involves the exchange of hydrogen between the atmosphere, hydrosphere, lithosphere, and biosphere.
- Hydrogen is involved in various biogeochemical processes, such as photosynthesis, respiration, and the formation of organic compounds.
- However, the hydrogen cycle is not considered a sedimentary cycle because it does not primarily involve the deposition and erosion of sediments.

II. Phosphorus cycle and sulphur cycle:
- The phosphorus cycle refers to the movement and transformation of phosphorus in the environment.
- Phosphorus is an essential element for life, and it is involved in various biological processes, such as DNA and RNA synthesis, energy transfer, and bone formation.
- The phosphorus cycle primarily involves the weathering of rocks, the uptake of phosphorus by plants, and the transfer of phosphorus through the food chain.
- Sedimentary rocks play a significant role in the phosphorus cycle as they release phosphorus through weathering and erosion processes.
- Similarly, the sulphur cycle involves the movement and transformation of sulfur in the environment.
- Sulfur is involved in various biological processes, such as protein synthesis and the formation of amino acids.
- The sulphur cycle primarily involves the weathering of rocks containing sulfur compounds, the release of sulfur through volcanic activity, the uptake of sulfur by plants, and the transfer of sulfur through the food chain.
- Sedimentary rocks also play a significant role in the sulfur cycle as they release sulfur through weathering and erosion processes.

III. Calcium cycle and magnesium cycle:
- The calcium cycle refers to the movement and transformation of calcium in the environment.
- Calcium is an essential element for many organisms, particularly for the formation and maintenance of bones and shells.
- The calcium cycle primarily involves the weathering of rocks, the uptake of calcium by plants, and the transfer of calcium through the food chain.
- Similarly, the magnesium cycle involves the movement and transformation of magnesium in the environment.
- Magnesium is involved in various biological processes, such as photosynthesis, enzyme activation, and muscle function.
- The magnesium cycle primarily involves the weathering of rocks, the uptake of magnesium by plants, and the transfer of magnesium through the food chain.
- Both the calcium and magnesium cycles involve the deposition and erosion of sediments, making them sedimentary biogeochemical cycles.

IV. Carbon cycle and nitrogen cycle:
- The carbon cycle refers to the movement and transformation of carbon in the environment.
- Carbon is an essential element for life, and it is involved in various biological processes, such as photosynthesis, respiration, and the formation of organic compounds.
- The carbon cycle primarily involves the exchange of carbon dioxide between the atmosphere and the ocean, the uptake of carbon dioxide by plants, and the transfer of carbon through the food chain.
- Sedimentary rocks also play a role in the carbon cycle as they can store carbon for millions of years.
- Similarly, the nitrogen cycle involves the movement and transformation of nitrogen in the environment.
- Nitrogen is an essential element for many biological molecules, such as proteins and nucleic acids.
- The nitrogen cycle primarily involves nitrogen fixation by certain bacteria, the uptake of nitrogen by plants, and the transfer of nitrogen through the food chain.
- Sedimentary rocks do not play a significant role