TLS Online TPP Program

#Question id: 39075


Assertion (A): Birds have pneumatic bones.

Reason (R): Pneumatic bones reduce body weight and aid in flight.

#Life Sciences
  1. Both A and R are true, and R is the correct explanation of A
  2.  Both A and R are true, but R is not the correct explanation of A
  3.  A is true, but R is false 
  4. A is false, but R is true