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Biology NEET - XI: Chapter 12- Mineral Nutrition Part 1

Biology25 CardsCreated about 2 months ago

This deck covers key concepts from Chapter 12 of Biology NEET for Class XI, focusing on mineral nutrition in plants. It includes questions about essential nutrients, their roles, and the effects of deficiencies.

Who developed the science of hydroponics?

Julius Van Sachs
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Key Terms

Term
Definition
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

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TermDefinition
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 deficiency of
P
Loss of apical dominance and appearance of bushy habit in plants occurs due to the deficiency of
K