Free Mineral Nutrition (Daily Quiz: 15) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Which of the following elements in plants are relatively immobile and are a part of the structural component of the cell?

(a) Sulphur and potassium

(b) Sulphur and calcium

(c) Calcium and magnesium

(d) Potassium and magnesium

Question-2

It is possible to determine whether an element is essential by observing growth of plants

(a) On soil in which only the particular element is present

(b) On an inert medium to which solution of only the particular element is added

(c) On soil in which the particular element is removed

(d) On an inert medium to which a nutrient solution excluding that particular element, is added.

Question-3

Active uptake of minerals depends upon :

(a) Transpiration

(b) Photorespiration

(c) Active water absorption

(d) Dephosphorylation

Question-4

Which of the following statements about nitrification is not true ?

(a) Nitrosomonas and Nitrosococcus convert ammonium ions to nitrite.

(b) Nitrification reactions are energy-producing (exergonic) reactions.

(c) Nitrobacter oxidizes nitrite to nitrate.

(d) Heterotrophic plants are more directly dependent on the nitrifying bacteria for usable nitrogen than autotrophic plants.

Question-5

Which one of the following elements is not an essential micronutrient for plant growth?

(a) Cu

(b) Ca

(c) Zn

(d) Mn