Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tends to be

• A

  larger but to have smaller sex organs
• B

  larger and to have large sex organs
• Correct answer
  C

  smaller and to have smaller sex organs
• D

  smaller but to have larger sex organs

Solution

As we proceed from thallophyta to angiosperms, there is gradual reduction in gametophyte with reduced size of sex organs. From thallophyta to angiosperms, there is progressive elaboration of sporophytes.

Hence, the correct answer is option: 'C'.