XI: Chapter 12- Mineral Nutrition Flashcards
Who developed the science of hydroponics?
Julius Van Sachs
What is the concentration of macronutrients required for plant growth?
> 10mMol/kg
Give the examples of beneficial elements for a plant.
Na, Si, Co and Se
In which plant parts is potassium required in abundant quantities?
Buds, tissues, leaves and root tips (meristematic regions)
Which mineral element is the main constituent of biotin and thiamine?
Sulphur
Which microelement is required in maximum quantity?
Iron
Which mineral is a component of catalase enzyme?
Iron
Which elements are required for photolysis of water?
Manganese and chlorine
Which mineral is required for the activation of carboxylase enzyme?
Zinc
Which element is required for the synthesis of auxin?
Zinc
Which elements are required in redox reactions in plants?
Iron and copper
Which element is required for the uptake of calcium in plants?
Boron
Which element is required for pollen germination?
Boron
Which element is required for cell elongation?
Boron
Which element is required for the translocation of carbohydrates?
Boron
WHich element is required for nitrogen metabolism?
Molybdenum
Which element is a part of the enzymes nitrogenase and nitrate reductase?
Molybdenum
Chlorosis is caused by the deficiency of which elements?
N, Fe, Mn, Zn, Mg, Ca, Cu, Cl, S, K
Mottled chlorosis is caused by the deficiency of
N, K, Mo
Premature leaf fall occurs due to the deficiency of
N, P
What is the actual reason for mottle chlorosis?
Development of anthocyanin
Necrosis occurs in plants because of the deficiency of
Ca, Mg, Cu, K
Premature death of plant occurs due to the deficiency of
K
Poorly developed vasculature in plants occurs due to the deficiancy of
P
Loss of apical dominance and appearance of bushy habit in plants occurs due to the deficiency of
K
Cotton rust occurs due to the deficiency of
K
Deficiency of which element can lead to stunted growth
Ca
Curling of younger leaves occurs due to the deficiency of
Ca
Black heart of celery occurs due to the deficiency of
Ca
Marginal curling in leaves occurs due to the deficiency of
Mg
Interveinal chlorosis occurs due to the deficiency of
Mg, Fe, Mn
Sand drown of tobacco occurs due to the deficiency of
Mg
Chlorosis of younger leaves occurs due to the deficiency of
Sulphur
Reduced nodulation in legumes occurs due to the deficiency of
S, B
Tea yellow diseasse occurs due to the deficiency of
Sulphur
Development of an extensive root system is a symptom of deficiency of sulphur. True/false
True
Interveinal chlorosis first in older leaves occurs due to the deficiency of
Mg
Interveinal chlorosis first in younger leaves occurs due to the deficiency of
Iron
Green netting of citrus occurs due to the deficiency of
Fe
