Subject :NSO Class : Class 6
Select the correct statement about skeletal system in some animals.
AEarthworms have liquid skeleton i.e., the liquid trapped in body spaces keeps the body firm.
BSnails and sharks have only a skeleton outside their body i.e., an exoskeleton.
CSnakes and birds have hollow bones which reduces their body weight and makes movement easier.
DCockroaches have an endoskeleton made of chitin.
Ans 1:
Class : Class 7
A
Ans 2: (Master Answer)
Class : Class 1
A