List of top Biology Questions on Essential Mineral Elements

Which of the following is/are trace element(s)?

Which mineral is majorly responsible for fluid balance, acid-base balance and nerve transmission in human body?

Consider the following statements i, ii and iii regarding criteria for essentiality of the nutrients in plants: i. The presence of elements is must for plants to complete their life cycle. ii. The role of the element can be replaced by another element. iii. The element must be directly involved in the metabolism of the plant. Choose the correct statement/s :

Which of the following statements are correct? (i)$\quad$ Solution culture/hydroponics contains all essential minerals except $\quad$$\quad$one, the usefulness of which is to be determined. (ii) $\quad$Na, Si, Co and selenium are beneficial element required by $\quad$$\quad$$\quad$$\quad$higher plants. (iii) $\quad$Zn is the activator of nitrogenases while Mo is the activator of $\quad$$\quad$ $\quad$$\quad$alcohol dehydrogenase. (iv) $\quad$Zn is needed for auxin synthesis.

Omega 3 fatty acid is present in?

Non-essential amino acid is?

Which is function of calcium?

Identify the elements whose deficiency causes both necrosis and chlorosis.

The oxygen evolved during photosynthesis, comes from water molecules. Which one of the following pairs of elements is involved in this reaction?

The deficiency disease, ?Dieback of shoots? of plants is caused by the deficiency of

Deficiency symptoms of nitrogen and potassium are visible first in:

Which of the following are a group of micronutrients for plants?

Necrosis in crops is due to the deficiency of

The common nitrogen-fixer in paddy fields is

Manganese is required in

Yellowish edges appear in leaves deficient in

The characteristic of an essential element is that it

The conversion of ammonia into nitrites and nitrates is called :

The most abundant element present in the plant is :-

Deficiency of sulphur causes chlorosis in plants. Sulphur is a constituent of chlorophyll, proteins and nucleic acids.

Which is a component of chlorophyll?

Which one of the following mineral elements plays an important role in biological nitrogen fixation

Insectivorous plants grow where soil deficient in:

Whip tail disease is caused by the deficiency of: