question_answer

In Cyeas male gametes are produced in the pollen tube by division of :

A)  body cell                            

B)  stalk cell

C)   prothallial cell                 

D)  tube cell

Correct Answer: A

Solution :

                 Cycas is a Gymnosperm plant. So, in Cycas, male gamete is produced in the pollen tube by division of body cell. Male gametes of Cycas are the largest in plant kingdom. These are ciliated top shaped structures.