A. 10
B. 8
C. 5
D. 3
Submitted by: Mansoor Ahmed Suhag
Octopuses have three hearts; a systemic heart that circulates blood round the body and two branchial hearts that pump it through each of the two gills.
Related Mcqs:
- How Many Brains Does an Octopus Have?
A. 7
B. 8
C. 9
D. 6Submitted by: Ghulam.abbas
- Which animal has three hearts?
A. Crow
B. Dolphin
C. Octopus
D. None of theseSubmitted by: Qadeer Ahmed
- A pulsar is a rapidly spinning neutron star which emits:
A. A blinding light when it aligns with the planets
B. Radio waves detectable from Earth
C. A gravitational pull which attracts high energy dust particles
D. Enough energy to power itself indefinitelySubmitted by: Mansoor Ul Haque
- The average speed of a moving object during a given interval of time is always:
A. the magnitude of its average velocity over the interval
B. the distance covered during the time interval divided by the time interval
C. one-half its speed at the end of the interval
D. its acceleration multiplied by the time interval
E. one-half its acceleration multiplied by the time intervalSubmitted by: Mansoor Ul Haque
- In the Composition of the earth, Aluminum is _______________?
A. 27.5%
B. 20.3%
C. 14.5%
D. 8.23%Submitted by: Mansoor Ul Haque
- AIDS virus is______________________
A. Single-stranded RNA
B. Single-stranded DNA
C. Double-stranded RNA
D. Double-stranded DNASubmitted by: WIQAR AHMAD
- Which blood cells are called ‘Soldiers’ of the body?
A. White Blood Cells
B. Platelets
C. Red Blood Cells
D. None of the aboveSubmitted by: Agha Hussain
- The red blood cells originate in the ____________?
A. Brain
B. Muscles
C. Ligaments
D. Bone MarrowSubmitted by: Naeem khalid
- The gases used in different types of welding would include ___________?
A. Oxygen and hydrogen
B. Oxygen, hydrogen, acetylene and nitrogen
C. Oxygen, acetylene and argon
D. Oxygen and acetyleneSubmitted by: Rashid Mehmood
- What is the percentage of salt water on earth surface?
A. 93%
B. 95%
C. 97%
D. 76%Submitted by: Syed Nizakat Ali Shah
