Plant-Kingdom Question 735
Question: Read carefully the following statements about pteridophytes.
(i) They are used for medicinal purposes. (ii) They are frequently grown as ornaments. (iii) They are called vascular cryptogams. (iv)The produce spores rather than seeds. (v) They are used as soil binders. Which of the statements given above are correct?
Options:
A) (i), (ii) and (v)
B) (ii), (iv) and (v)
C) (ii), (iii), (iv) and (v)
D) All of the above
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Pteridophytes are spore forming, non- seed bearing, non-flowering vascular plants.
Dryopteris, Lycopodium is used in treatment of the disorders of lungs, kidneys and rheumatism.
An antihelminthic is obtained from the rhizomes and petioles of the fern.
They are used as soil binders.
Presence of heterospory morphologically two levels of spores) is a distinctive feature of pteridophytes.
BETA
