Animal Kingdom Question 599
Question: Which one of the following statement of animals is correctly described with no single exception in it?
Options:
A) In chondrichthyes, notochord is persistent throughout life.
B) All mammals are viviparous and possess diaphragm for breathing.
C) All sponges are marine.
D) All reptiles possess scales, have a three chambered heart and are cold blooded (poikilothermal).
Show Answer
Answer:
Correct Answer: A
Solution:
[a] Platypus is an oviparous mammal.
Spongilla and Euspongia are fresh water sponges.
Crocodiles have four chambered heart.
In the members of class chondrichthyes, the notochord is persistent throughout life.
BETA
