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Which of the following is/are the example of Xerophytes plants?
a) Aleo and Calotropis           
b) cactus
c) Opuntia and Acasia
d) all of these

d



Zizipus belongs to which of the following group on the basis of osmoregulation?
a) Halophytes             
b) Xerophytes
c) Mesophytes            
d) Hydrophytes

b

The plants which live in a soil containing large percentage of common salt are….
a) Halophytes            
b) Xerophytes
c) Mesophytes            
d) Hydrophytes

a

Explanation: on seashore they form special vegetation called mangrove



Why halophytes plants face shortage of water and show physiological drought like xerophytes?
a) there is deficiency of water           
b) they cannot absorb water due to high salt
c) their roots lacks root hairs 
d) all of these

b

Explanation: so leaves are covered with thick cuticle



Which of the following is/are the example of Halophytes plants?
a) Rhizophora             
b) Salsola
c) Opuntia                  
d) both a and b

d

Which of the following adaptations made by low temperature plants?
a) they possess well-developed bark for protection              
b) short lifecycle
c) the leave and stems are hard and possess scales                
d) all of these

d

Explanation: the rate of transpiration is low to retard cooling



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