Question

Which of the following is not observed in a homologous series? Give reason

for your choice.

a) Change in chemical properties

b) Difference in -CH2 and 14u molecular mass

c) Gradation in physical properties

d) Same functional group​

Answer 1

Answer:

Homologous organs are comparative structure, distinctive capacity and a formative beginning are same.

example is:

1)Flipper - whale

2)Wing - bat

3)Fore appendage - horse

So, the correct option is 'Pore arm of humans and fins of fishes

Answer 2

Answer:

Hope this attachment helps uh