A) Calcarea
B) Porifera
C) Desmosspongia
D) Hexactinellida
Related MCQs:
- Petromyzon belongs to which class?
- The class corals is?
- The number of boys in a class is three times the number of girls. Which one of the following numbers cannot represent the total number of children in the class?
- In a class 3/4th of the students do not know either English or Hindi. But 1/6th of the students know English. How many students know both English and Hindi if students who know Hindi are 1/8th of total students in the class?