Chapter 3: Nutrition in plants ( 3.1 ) Flashcards
What are needed by plants to achieve optimal growth?
- inorganic compounds
What are macronutrients?
- one of the two main groups of inorganic compounds
- elements that are required by plants in large quantities
What are elements that are required by plants in small quantities?
- Micronutrients
Name all 9 macronutrients.
- Perempuan SMK Convent Nak Cari Orang Hensem
- phosphorus, sulphur, magnesium, potassium, calcium, nitrogen, carbon, oxygen, hydrogen
What are the function and deficiency effects of carbon, hydrogen, and oxygen?
- important in carbon cycle and oxygen cycle
- stunted growth
What are the similarities between nitrogen and magnesium in terms of function and deficiency effects?
- both are used to synthesize chlorophyll
- the leaves turn yellow (chlorosis)
Describe potassium as a macronutrient.
- maintains plant turgidity
- activate enzymes for protein synthesis
- deficiency effects are yellow-edged leaves and premature death
Which macronutrients deficiency effect is stunted growth?
- Carbon
- Oxygen
- Hydrogen
- Nitrogen
- Calcium
Which macronutrients deficiency effect is chlorosis?
- Nitrogen
- Magnesium
- Sulphur
- Calcium
Which macronutrients deficiency effect is leaves becoming distorted and lobed?
- calcium
Effects of deficiency of _________ and _______ is leaves having red spots.
- magnesium
- phosphorus
Stunted growth is the deficiency effect of ___, ___, and ___.
- zinc
- copper
- nickel
What are the three micronutrients which have chlorosis as their deficiency effect?
- chlorine
- iron
- zinc
- molybdenum
What is Knop’s solution?
- a culture solution that contains all nutrients including trace elements needed by healthy plants
