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NEET Questions / Chemistry / Classification of Elements and Periodicity in Properties / Introduction
Hydroponics is the method of
Water conservation
Plant development in water without soil
Plant development without soil
Plant development in saline soil
In hydroponic vegetables, the pH preferred by most vegetable is slightly
acidic
alkaline
neutral
highly acidic
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
What is the key principle of the EBB and flow system in hydroponics?
It floods and drains periodically
It makes a tide flowing over the roots
It sprays a mist of nutrients on the roots
None of the above
Hydroponics has been successfully employed as a technique for which of the following vegetables?
Seedless cucumber
Tomato
Lettuce
All of these
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
Aeroponics are
Aerial plants
Aerated plants
Soilless cultivation of plants
None of these
Which among the following are used as media for hydroponics?
Coco air
Rock cool
Gravel
All of these
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
Which of the following is used as a chelating agent in hydroponics?
EDTA
Iron
Nitrogen
Copper
