
The form of hydroponics that does not require a growing medium at all is
A. Aquaculture
B. Static solution culture
C. Medium culture
D. Aeroponics
Answer
284.7k+ views
Hint:
A type of horticulture and a subset of hydroculture, in which new plants (especially crops) are grown without soil but using water-based mineral nutrient solutions in aqueous solvents.
Complete answer:
The rearing of aquatic animals or the cultivation of aquatic plants for food is termed aquaculture.
In the static culture medium, the new crops are grown in containers like buckets, jars or tanks using a growing medium and the solution may be aerated or un-aerated.
Although, in hydroponics, the plants are grown using water-based nutrients they still need a medium to grow. In medium culture hydroponics, the plants are rooted in a solid medium and each subcategory is named after the medium used. Perlite, coir, rock wool, pumice, and brick shards are some examples of the medium used in medium culture hydroponics.
Aeroponics is also a method where plants are grown without using soil. It requires only water, light, and nutrients and does not require a growing medium.
Thus, the correct answer is Aeroponics.
Option ‘D’ is correct
Note:
Hydroponics are of great commercial use as they enhance crop yield. In hydroponics, the plants are densely placed so a large number of crops can be cultivated at a time whereas in some other systems or in simple agriculture where the soil is used for cultivation, a large piece of land would be required to grow the same number of plants.
While it has advantages, hydroponics has an equal share of disadvantages such as it is expensive to set up, risk of water-borne diseases and any small problem would affect plants quicker, etc.
A type of horticulture and a subset of hydroculture, in which new plants (especially crops) are grown without soil but using water-based mineral nutrient solutions in aqueous solvents.
Complete answer:
The rearing of aquatic animals or the cultivation of aquatic plants for food is termed aquaculture.
In the static culture medium, the new crops are grown in containers like buckets, jars or tanks using a growing medium and the solution may be aerated or un-aerated.
Although, in hydroponics, the plants are grown using water-based nutrients they still need a medium to grow. In medium culture hydroponics, the plants are rooted in a solid medium and each subcategory is named after the medium used. Perlite, coir, rock wool, pumice, and brick shards are some examples of the medium used in medium culture hydroponics.
Aeroponics is also a method where plants are grown without using soil. It requires only water, light, and nutrients and does not require a growing medium.
Thus, the correct answer is Aeroponics.
Option ‘D’ is correct
Note:
Hydroponics are of great commercial use as they enhance crop yield. In hydroponics, the plants are densely placed so a large number of crops can be cultivated at a time whereas in some other systems or in simple agriculture where the soil is used for cultivation, a large piece of land would be required to grow the same number of plants.
While it has advantages, hydroponics has an equal share of disadvantages such as it is expensive to set up, risk of water-borne diseases and any small problem would affect plants quicker, etc.
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