[C].Chimpanzee

[D].Gorilla

Answer: Option E

Explanation:

All except Jaguar are different species of monkeys or apes, while jaguar belongs to cat family.

[C].Downs

[D].Prairies

Answer: Option A

Explanation:

All except Grasslands are types of grasslands.

[C].Turtle

[D].Spider

Answer: Option D

Explanation:

All except Spider have hard protective shells.

[C].Sodium

[D].Chlorine

Answer: Option A

Explanation:

All except Iron are very volatile.

[C].Wood

[D].Plastic

Answer: Option D

Explanation:

All except Plastic are biodegradable materials.

[C].Ammonia

[D].Urea

Answer: Option B

Explanation:

All except Nitrogen are used as fertilizers.

[C].Earth

[D].Jupiter

Answer: Option A

Explanation:

Mercury is the only planet in the group which does not have any moon.

[C].Graphite

[D].Emerald

Answer: Option C

Explanation:

All except Graphite are precious stones.

[C].Delta

[D].Peso

Answer: Option D

Explanation:

All except Peso are Greek letters, while Peso is a currency.