Only male frog produce croacking sound because _________ ?

Related Mcqs:

1. The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?

   A. 1120 ft
   B. 120 ft
   C. 56 ft
   D. 100 ft
   E. None of these

2. Name the branch of science which deals with the study of sound and sound waves?

   A. Aeronautics
   B. Acoustics
   C. Aerostatics
   D. Aetiology

   Submitted by: ABDUL HAYEE

3. Frog Heart has how many chambers?

   A. 2
   B. 3
   C. 4
   D. 5

   Submitted by: Adnan Rai

4. There are ______types of respiration takes place in frog.

   A. 1
   B. 2
   C. 3
   D. None of these

   Submitted by: GM Talpur

5. Sound waves are _________ waves.

   A. Transverse
   B. Electromagnetic
   C. Longitudinal
   D. None of these

6. A loudspeaker changes _________ energy into sound energy.

   A. Chemical
   B. Electrical
   C. Light
   D. Kinetic

   Submitted by: Danish Balani

7. Male birds are ________ colorful than female birds.

   A. Less
   B. More
   C. Equal
   D. None of these

   Submitted by: ENGR. HAFIZ RASHEED

8. The weight of an average human male brain is about?

   A. 1 gr
   B. 1200 gr
   C. 1350 gr
   D. 1500 gr

   Submitted by: Bilawal Tunio

9. Echo is a ___________ of sound?

   A. Reflection
   B. Refraction
   C. Interference
   D. None

   Submitted by: Awais

10. Speed of sound in air is _______km/h?

    A. 1347
    B. 243
    C. 1235
    D. 1495

    Submitted by: Warraich