Which one of the following is not a poisonous snake?
1. | Cobra | 2. | Viper |
3. | Python | 4. | Krait |
I. | are terrestrial |
II. | have a three-chambered heart |
1. Only I is correct | 2. Only II is correct |
3. Both I and II are correct | 4. Both I and II are incorrect |
I: | Body is covered by dry and cornified skin, dermal scales or scutes. |
II: | External ear is not present and tympanum represents the ear. |
III: | Scales are shed as skin cast in all members. |
IV: | Fertilization is internal and development is direct. |
1. | Only II is correct | 2. | Only II and IV are correct |
3. | All are correct | 4. | Only I and II are incorrect |
1. | Crocodile | 2. | Wall lizard |
3. | Turtle | 4. | Tortoise |