PDF chapter test TRY NOW

Which of the following do you suggest for Karthik to pick to score a centum in his exam?
 
1.
Statement 1R-COOR represents the functional group ester.
Statement 2R-COOR represents the functional group ether.
 
2.
Statement 1C_2H_4 is an example for alkene group of compound.
Statement 2C_2H_4 is an example for alkyne group of compound.