Choose the odd one out

Ex 1: Choose the odd one out

1.

Choose one correct answer:

2.

Choose one correct answer:

3.

Choose one correct answer:

4.

Choose one correct answer:

5.

Choose one correct answer:

6.

Choose one correct answer:

7.

Choose the odd one out

8.

Choose one correct answer:

9.

Choose one correct answer:

10.