Question

Assertion (A) Lycopodium and Selaginella are heterosporous.
Reason (R) In heterosporous condition, two kinds of spores are produced by the plant.

• A. If both A and R are true and R is the correct explanation of A
• B. If both A and R are true, but R is not the correct explanation of A
• C. If A is true, but R is false
• D. If A is false, but R is true

Answer 1

Answer: (D)

Assertion is false, but Reason is true. Assertion can be corrected as
Lycopodium is homosporous pteridophyte, i.e. they produce similar kind of spores, while Selaginella, Stylies, Isoetes, Salvinia, Azolla, Pilularia, Regnellidium and Marsilia are heterosporous pteridophytes, i.e. the spores produced by them one of two kinds macro (large) and micro (small) spores.