- 1(current)
Q. No.Hydroponics can be used in
(1) Identification of essential elements
(2) In discovery of deficiency symptoms of essential elements
(3) For commercial production of vegetables
(4) All of these
Julius Von Sachs
Which of the following is not related?
1. A prominent German Botanist
2. In 1860, he demonstrated for the first time that plants could be grown to maturity in a defined nutrient solution in complete absence of soil
3. The technique, Hydroponics
4. Categorized the essential and non Essential mineral nutrition.
Xylem sap has minerals is substantiated by
(1) Heavy isotope of mineral element
(2) Isobar of mineral element
(3) Radioisotopes of mineral elements
(4) Protium labelled isotope of mineral elements
Apoplast is not associated with
(1) Passive flux
(2) Rapid
(3) Uptake of ions into the free space or outer space of cells
(4) Usually has no involvement of ion channels or transmembrane proteins which function as selective pore
Symplast is not associated with
(1) Active flux
(2) Slow
(3) Uptake of ions through the cell
(4) Usually has involvement of ion channels or transmembrane proteins which function as selective pore
In the given diagram of a typical set up for nutrient solution culture, the purpose of X is:
| 1. Addition of water 2. Addition of nutrients 3. Removal of wastes 4. Aeration |
 |
Plants can be grown in
1. soil with essential nutrients.
2. water with essential nutrients.
3. either water or soil with essential nutrients.
4. water or soil without essential nutrients.
- 1(current)
Q. No.
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