PDF chapter test TRY NOW

Fill in the correct option for the following questions:
 
1. Fertilisation results in the formation of that repeatedly divides to form a / an .
 
2. The of the frog breathe through gills. It has a longthat helps it to swim in water.
 
3. Pick out the odd one out :
  
silkmoth, butterfly, honeybee, frog, human
The answer is :