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Which of the following is/are the characteristic/s of gametophyte generation of ferns?
a) it is small                
b) photosynthetically independent
c) it is heart shaped    
d) all of these

d

In ferns, the sex organs antheridia and archegonia are produced on the…….of gametophyte.
a) upper surface         
b) under surface
c) on either side         
d) all of these

b

The class filicieae (ferns) comprises nearly………species.
a) 1000                                   
b) 2000
c) 10000                                 
d) 20000

c

Class filicinae belongs to phylum……..
a) tracheophyta         
b) thallophyta
c) bryophyte               
d) embryophyta

a

Which of the following is/are the example/s of class filicineae?
a) Adiantum                
b) Pteris and Dryopteris
c) pteridium                
d) all of these

d

Which of the following is/are the primary function/s of leaf in plants?
a) photosynthesis      
b) transpiration
c) respiration              
d) all of these

a

Explanation: the primitive vascular plants lacked leaves. The evolution of leaf resulted in efficient photosynthesis



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