Plz explain.
Q). Gymnosperms are also called soft wood spermatophytes because they lack:
1) Thick-walled tracheids
2) Xylem fibres
3) Cambium
4) Phloem fibres

Dear student, 
Please find below the solution to the asked query        

G​ymnosperms do not possess thick-walled tracheids. This is why they are known as softwood spermatophytes (produce seeds). 
Hence, option (1) is correct. 

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