GENERAL KNOWLEDGE

GK

BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Plant which grow in saline soil are-
A
Xerophytes
B
Hydrophytes
C
Halophytes
D
Succulents
Explanation: 

Detailed explanation-1: -A halophyte is a plant that grown in waters of high salinity, coming into contact with saline water through its roots or by salt spray, such as in saline semi-deserts, mangrove swamps, marshes and sloughs and sea shores. Halophytes prefer saline soils with high concentration of NaCl2, MgSO4 and MgCl2.

Detailed explanation-2: -Halophytes are defined as plants capable of growing and reproducing in a saline environment-that is, where NaCl comprises greater than 0.5% soil salts. For nonhalophytes, growth in a saline soil results in absorption of toxic levels of salts, ionic imbalances, and eventual death of the plant.

Detailed explanation-3: -salsa has succulent leaves and is highly salt tolerant. Halophytes, such as Aeluropus, Mesembryanthemum, Suaeda, Atriplex, Thellungiella, Cakile, and Salicornia, serve as model plants for the identification of potential candidates for salt-responsive genes and promoters [32].

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