Blood and heart
Bones
General biology
100
How many parts does a human heart have?
a) 2
b) 3
c) 4
d) 5
c) 4
100
Where is the smallest bone in a human body?
a) fingers
b) ear
c) ankle
d) knee
b) ear
100
What is the biggest human organ?
a) skin
b) lungs
c) small intestine
d) brain
a) skin
200
What is the main function of red blood cells?
a) fight infections
b) carry oxygen
c) blood clotting
d) control movement
b) Carry oxygen
200
Where is the longest bone in a human body?
a) arm
b) calf
c) thigh
d) shoulder
c) thigh
200
Which gas do plants absorb during photosynthesis?
a) oxygen
b) carbon dioxide
c) nitrogen
d) hydrogen
b) carbon dioxide
300
What is the function of white blood cells?
a) fight infections
b) carry oxygen
c) blood clotting
d) control movement
a) fight infections
300
What is the function of the ribcage?
a) store fat
b) pump blood
c) protect the lungs and heart
d) make hormones
c) protect the lungs and heart
300
Which of these is not found in animal cells?
a) cell membrane
b) nucleus
c) chloroplast
d) cytoplasm
c) chloroplast
400
What blood vessels carry blood away from the heart?
a) veins
b) capillaries
c) arteries
d) nerves
c) arteries
400
How many bones does an adult human body have?
a) 205
b) 125
c) 126
d) 206
d) 206
400
Which organelle is known as the “powerhouse of the cell”?
A) nucleus
B) chloroplast
C) mitochondria
D) ribosome
C) mitochondria
500
What is the name of the red pigment found in red blood cells?
a) myoglobin
b) hemocyanin
c) chlorocruorin
d) hemoglobin
d) hemoglobin
500
Which bone is known as the thigh bone ?
a) tibia
b) femur
c) humerus
d) fibula
b) femur
500
What part of the eye is the opening that allows light to enter?
a) iris
b) cornea
c) pupil
d) lens
c) pupil
