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NEET Questions / Chemistry / Classification of Elements and Periodicity in Properties / Introduction
By applying which of the following practices, contamination of hydroponics plants can be reduced?
Change the medium every week
Do not use tools from the outdoor garden
Complete aeration in hydroponic tank
All of the above
Which of the given options are correct for hydroponics? Select the correct pair
I. Hydroponics technique is useful in areas having infertile and dry soils
II. Hydroponics can regulate pH optimum for a particular crop
III. It increases the labour cost
IV. It increases the problem of weeding
I and IV
I and II
I and III
Only I
Hydroponic tomatoes may not taste so fresh. Why?
The tomatoes are really potatoes in disguise
The tomatoes are supposed to be green and sour, it makes them healthier for humans
They are picked too soon
They are not picked soon enough
For the proper management of diseased conditions in hydroponics, it is important to
Ignore the problem and hope it goes away on its own.
Treat all plants with a broad-spectrum pesticide as a preventative measure.
Identify the disease and take swift action, including removing infected plants, sterilizing the system, and adjusting environmental controls.
Replant the entire system with a different crop, hoping the disease doesn't affect the new plants.
For the proper management of diseased conditions in hydroponics, it is important to
Change and replace the nutrient solution daily
Change and replace the media daily
Remove dead leaves from the media daily
Both (a) and (b)
Which of the following method is close to hydroponics and has the same principle?
Aeroponics
Geoponics
Planting
None of these
Addition of chelating agent to hydroponics is necessary for
Healthy plants
Nutrition of plants
Promote plant growth
All of the above
Soilless culture helps in knowing
Toxicity caused by an element
Deficiency symptoms caused by an element
Essentially of an element
All of the above
