Which of the following is unique to the molluscs and has no equivalent in any other animal?

1. Haemocoel 2. Hemocyanin
3. Radula 4. Metamerism
Subtopic:  Phylum Mollusca |
 89%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


Identify the incorrect statement regarding Mollusca:
1. It is the second largest animal Phylum after Phylum Arthropoda.
2. It includes animals that are bilaterally symmetrical, triploblastic, and coelomate.
3. Body is covered with a calcareous shell and is metamerically segmented with a distinct head, muscular foot, and visceral hump.
4. Gills are present in the mantle cavity, a space between the mantle and the hump.
Subtopic:  Phylum Mollusca |
 75%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.