Consider the following two statements regarding the epiglottis:
I. It is made of hyaline cartilage
II. It does not have any taste buds

1. I is true but II is false
2. I is false but II is true
3. Both I and II are true
4. Both I and II are false

Consider the following statements regarding the constituents of the human tooth:
I. Enamel is the hardest part of the tooth and is secreted by the ameloblasts
II. Dentin does not contain collagen and is secreted by odontoblasts
III. Cementum is a bone-like substance secreted by cementoblasts
IV. Pulp is called as the “nerve” of the tooth
The incorrect statement/s is/are:

1. II alone
2. IV alone
3. II and IV only
4. I and III only