EASY
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The most abundant element present in the plants is

Or

Which of the following is not absorbed through soil 

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Important Questions on Plant Growth and Mineral Nutrition

MEDIUM
What is the percentage of Chlorine, Zinc and Copper, respectively?
EASY

Match the following

   List - I     List - II
(a) Chlorine (i) Helps to maintain an anion - cation balance and is involved in protein synthesis
(b) Sulphur  (ii) Helps in determining the solute concentration.
(c) Potassium (iii) It is the main constituent of several coenzymes and vitamins
(d) Nickel (iv) Found to induce disease resistance in some plants.
    (v) Structural component of Cytochrome 'C' oxidase

The correct answer is

MEDIUM

Consider the following statements i, ii, and iii regarding criteria for essentiality of the nutrients in plants:

i. The presence of essential element is must for plants to complete their life cycle.

ii. The role of the element can be replaced by another in their life cycle.

iii. The elements must be directly involved in the metabolism of the plant.

Choose the correct statement/s:

MEDIUM

Match List -I with List-Il.

  List - I   List - II
(a) Manganese (i) Activates the enzyme catalase
(b) Magnesium (ii) Required for pollen germination
(c) Boron (iii) Activates enzymes of respiration
(d) Iron (iv) Functions in splitting of water during photosynthesis

Choose the correct answer from the options given below:

EASY
Deficiency symptoms of nitrogen and potassium are visible first in:
MEDIUM
The concentration of macronutrients in dry weight/gram is _____.
MEDIUM

Given mineral ions essential for the physiological activities of plant
A) Nitrogen metabolism
B) Synthesis of Auxins
C) Activation of IAA oxidase enzyme
D) Formation of Mitotic spindle

Answers respectively

MEDIUM

What is the importance of iodine in our body?

MEDIUM

Match the following concerning essential elements and their functions in plants

(a) Iron (i) Photolysis of water
(b) Zinc (ii) Pollen germination
(c) Boron (iii) Required for chlorophyll biosynthesis
(d) Manganese (iv) IAA biosynthesis

Select the correct option.

EASY
Which of the following elements helps in maintaining the structure of ribosomes?
MEDIUM
Match List I with List II: 
List I List II
A. Iron I. Synthesis of auxin
B. Zinc II. Component of nitrate reductase
C. Boron III.  Activator of catalase
D. Molybdenum IV. Cell elongation and differentiation

Choose the correct answer from the options given below: 

EASY
Minerals known to be required in large amounts for plant growth include:
EASY
Which micronutrient is required for splitting of water molecule during photosynthesis?
MEDIUM
Due to deficiency of which element the bark of the tree becomes rough and gets split? 
EASY
In which of the following forms is iron absorbed by plants?
EASY
Marsh spot disease of pea is caused by the deficiency of which element in the soil?
MEDIUM
Deficiency symptoms of which elements appear first in apical buds.
EASY
Lack or low levels of Potassium, Nitrogen, Sulphur and Molybdenum causes ___.
EASY
Which is essential for the growth of the root tip?
EASY
In which of the following, all three are macronutrients?