Tag: minerals

Sodium is an essential element for many marine plants and organisms, playing a key role in osmotic balance and cellular function in saline environments.

Lead, platinum, and iodine are not considered essential nutrients for the normal growth and development of plants, unlike the others listed which are micronutrients or macronutrients.

Holozoic nutrition is the process of taking in solid or liquid organic food, which is then digested and absorbed by the organism.

Selenium is a vital trace element that acts as an antioxidant; its deficiency is linked to conditions like liver necrosis and muscular dystrophy in various animals.

Microphagial nutrition involves feeding on very small particles, which is characteristic of Paramecium using its cilia to sweep food into its oral groove.

None of the options is correct. However, in some cases toxic level of Nickel is approached well above the concentration of $1$mg/g as that of macronutrients.

Chromium is an essential element involved in the regulation of blood glucose levels within the body. It interacts with the low-molecular weight chromium binding substance to amplify the action of insulin. The amount of chromium in the body can be decreased as a result of a diet high in simple sugars, which increases the excretion of the metal through urine.