Basic Science BEL 5

What is the main difference between bacteria and viruses?

• Bacteria are smaller than viruses

• Bacteria can only be found in animals, while viruses can be found in plants

• Bacteria are living cells, while viruses are not

• Bacteria can only reproduce on their own,while viruses needs a host

What is the main job of the heart in circulatory system?

• To pump blood to the lungs only

• To pump blood to the entire body

• To filter waste from the blood

• To regulate body temperature

Which vessel carries oxygenated blood from the lungs to the heart?

• Pulmonary artery

• Pulmonary vein

• Aorta

• Vein

Where can you feel your pulse

• Only on your wrist

• Only on your neck

• On your wrist,neck and other areas

• Nowhere, it's visible

What is a normal pulse rate for a healthy adult?

• 20-30 beats per minute

• 40-60 beats per minute

• 60-80 beats per minute

• 80-100 beats per minute

What is a nocturnal animal?

• An animal that is active during the day

• An animal that is active at night

• An animal that hibernates during the winter

• An animal that migrates to a different habitat

What is an adaptation that nocturnal animals have to help them survive?

• Camouflage

• Sharp flaws

• Good eyesight

• All of the above

Which nocturnal animal uses echolocation to navigate and find prey?

• Bat

• Owl

• Raccoon

• Skunk

Which of the following is an example of a force that can act over a distance

• Gravity

• Friction

• Magnetism

• Electromagnetisim

What is the difference between arteries and veins?

• Arteries carry oxygenated blood,veins carry deoxygenated blood

• Arteries carry deoxygenated blood,veins carry oxygenated blood

• Arteries are larger,veins are smaller

• Arteries are smaller,veins are larger