Question

IV. Find the odd one out:
1. NPK, Compost, Farmyard, manure, Point source
2. Mars, Venus, Earth, Orion
3. Cornea, Iris, Pupil, Ear drum
4. Copper, Aluminium, Iron, Rubber
5. Electrodes, Cathode, Anode, Diode​

Answer 1

Answer:

1.point source

2.orion

3.eardrum

4.rubber

5.diode

Answer 2

Answer:

1.NPK

2.Orion

3.Ear drum

4.Rubber

5.Anode