Plant-Kingdom Question 708

Question: A bryophytic plant has chromosome number 9.

Chromosome number in spores and protonema will be:

Options:

A) 9 and 9

B) 18 and 18

C) 27 and 18

D) 9 and 18

Show Answer

Answer:

Correct Answer: A

Solution:

[a] Spores are formed after meiosis in diploid cells and protonema by their germination where nuclear divisions are mitotic only.