|
Name some immobile elements
|
|
0
|
472
|
July 22, 2016
|
|
On what factors does utility of micro-elements depends?
|
|
0
|
454
|
July 22, 2016
|
|
What is the use of iron to plants?
|
|
0
|
460
|
July 22, 2016
|
|
What are chelators?
|
|
0
|
491
|
July 22, 2016
|
|
Name any two stem parasites and root parasites
|
|
0
|
686
|
July 22, 2016
|
|
Define the terms influx and efflux
|
|
0
|
4560
|
July 22, 2016
|
|
How it was proved that minerals pass through xylem and not phloem?
|
|
0
|
497
|
July 22, 2016
|
|
Which are the two macronutrients that usually play the most important role in limiting plant growth globally?
|
|
0
|
539
|
July 22, 2016
|
|
What is tank farming or hydroponics?
|
|
0
|
507
|
July 22, 2016
|
|
What do you understand by mineral nutrition?
|
|
0
|
507
|
July 22, 2016
|
|
Write the role of boron and copper for the normal activities of plants
|
|
0
|
442
|
July 22, 2016
|
|
What role do calcium and sulphur play in plants?
|
|
0
|
486
|
July 22, 2016
|
|
How is it decided that the given element is a macronutrient or micronutrient?
|
|
0
|
485
|
July 22, 2016
|
|
If you grow a potted plant that initially weighed 200 and eventually weighed 50 kg, would you -expect the soil in the pot to change weight ? Explain
|
|
0
|
423
|
July 22, 2016
|
|
Mention the constituents of organic molecules
|
|
0
|
473
|
July 22, 2016
|
|
Name a chelating agent. Why iron is added in hydroponics along with chelating agent?
|
|
0
|
1271
|
July 22, 2016
|
|
Briefly describe Donnan equilibrium
|
|
0
|
526
|
July 22, 2016
|
|
Why do plants need potassium and magnesium?
|
|
0
|
1035
|
July 22, 2016
|
|
Make a list of macronutrients and mention their major functions
|
|
0
|
944
|
July 22, 2016
|
|
Give the classification of mineral needed by plants as proposed by Shkolnik
|
|
0
|
542
|
July 22, 2016
|
|
In what form do plants absorb phosphorus from fhe soil?
|
|
1
|
594
|
July 22, 2016
|
|
What is hydroponics ? Give an application of this technique
|
|
0
|
4678
|
July 22, 2016
|
|
What do you understand by solution culture?
|
|
0
|
497
|
July 22, 2016
|
|
Define essential elements. Give the criteria for knowing the essentiality of an element. Give some essential elements
|
|
0
|
6922
|
July 22, 2016
|
|
Briefly mention the functions of mineral elements in plants
|
|
0
|
614
|
July 22, 2016
|
|
Make a list of micronutrients and mention their principal function in plants
|
|
0
|
606
|
July 22, 2016
|
|
How are amino acids synthesize ? Explain
|
|
0
|
1601
|
July 22, 2016
|
|
Explain with examples : macro-nutrients, micro¬nutrients, beneficial nutrients, toxic elements and essential elements
|
|
0
|
1006
|
July 22, 2016
|
|
What are the reasons for minerals depletion in soil and how is the restoration of mineral fertility?
|
|
0
|
526
|
July 22, 2016
|
|
Give one difference between nitrification and denitrification
|
|
0
|
578
|
July 22, 2016
|