Odd one out in the leaf

Exercise and reference answers

Questions

1. Items

   1. CO2
   2. Urea
   3. Water
   4. Sunlight

   Odd item

   Urea

2. Items

   1. Starch
   2. Carbohydrate
   3. Nephron
   4. Energy store

   Odd item

   Nephron

3. Items

   1. Leaf
   2. Stomata
   3. Chlorophyll
   4. Bladder

   Odd item

   Bladder

Instructions

Tap the item that does not belong with the other three.

Explanation