Methods to Study the Mineral Requirements of Plants
Methods to Study the Mineral Requirements of Plants: Overview
This Topic covers sub-topics such as Hydroponics, Mineral Nutrition, Advantages of Hydroponics, Critical Concentration of Elements, Xylem Sap Analysis and, Arnon and Hoagland Medium
Important Questions on Methods to Study the Mineral Requirements of Plants
Hydroponics is:

Growing plants in a nutrient solution

Which of the following is not a benefit of hydroponics?

_____ is a fluid that is absorbed from the soil by the roots and is transported through the xylem tissue in the plants.

_____ is the soilless method used for growing plants in areas having infertile soil.

The given figure shows a typical setup for hydroponic technique. Choose the option which gives correct set of words for all the three blanks A, B and C


Tracer elements are

Choose the correct combination
List - I | List - II | List - III |
i) Delay in flowering | I) And transported through Xylem | |
B) Amides | ii) Contain more Nitrogen | II) Whiptail in Cauliflower |
C) Hydroponics | iii) Commercial Production of vegetables | III) Seedless Cucumber |
D) Pseudomonas | iv) Denitrification | IV) Reduced to |
The correct answer is

Deficiency of a set of three mineral ions induced by excessive absorption of manganese lead to the following set of metabolic disorders. Identify the set of deficit mineral ions.
A) Transfer of electrons by ferredoxin and Cytochromes
B) Synthesis of DNA and RNA
C) Normal functioning of the cell membrane

Which among the following is an incorrect property of the hydroponic plant production?

Study the following lists and choose the correct match
List - I | List - II | List -III | |||
(A) | (i) | Delay in flowering | (i) | And transported through Xylem | |
(B) | Amides | (ii) | Contain more Nitrogen | (ii) | Whiptail in Cauliflower |
(C) | Hydroponics | (iii) | Commercial Production of vegetables | (iii) | Seedless cucumber |
(D) | Pseudomonas | (iv) | Denitrification | (iv) | Reduced to |
The correct answer is :

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

The ion which is commonly found free in the cell is

The concentration of a macroelement per gram of the dry matter in plants is at least

Essential micronutrients are also known as

Which of the following options is correct?

The criteria for the essentiality of a mineral element was given by

The importance of microelements was recognised late due to

Micronutrients are

Plants require minor elements in small quantities. Their major role is to act as
