Animal Kingdom Question 1
Question: Assertion : Sponges have tissue level of organization. Reason : Sponges are multicellular.
Options:
A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If the assertion is false but reason is true
Show Answer
Answer:
Correct Answer: D
Solution:
Sponges are the lowest multicellular animal but they have simple structures.
Organs and tissues are absent.
The constitution cells perform their functions more or less independently exhibiting division of labour performing specialized functions.
Hence, they possess cellular level of organization.
Tissue level organization is found in flatworm with the arrangement of tissue to form organs.