Choose the odd one and give reason in support of your answer :

1. Neem, Pine, Fir, Cedar
2. Reindeer, Deer, Polar bears, Penguins
3. Scales, Fins, Fur, Gills
4. Seeds of — Cotton, Poppy, Drumstick, Mango
5. Water lily, Lotus, Cactus, Vallisneria

1. Odd one — Neem
   Reason — Neem is a plain region tree, while Pine, Fir, and Cedar are found in mountainous regions.

2. Odd one — Deer
   Reason — Deer is found in forests or plains, while Reindeer, Polar bears, and Penguins are adapted to polar regions.

3. Odd one — Fur
   Reason — Fur is a feature of land mammals, whereas Scales, Fins, and Gills are adaptations of aquatic animals.

4. Odd one — Mango
   Reason — Mango seeds are dispersed by animals, while Cotton, Poppy, and Drumstick seeds are dispersed by wind.

5. Odd one — Cactus
   Reason — Cactus is a desert plant, while the others are Aquatic plants.