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25 questions
What is the type of skeleton in a snake?
Endoskeleton
Exoskeleton
Hydrostatic skeleton
Choose two organisms that are supported by hydrostatic skeleton.
Fish
Leech
Grasshopper
Star fish
The growth curve of all organisms basically is .................... in shape.
rectangle
sigmoid
circle
What is the process marked as X ?
Growth
Expansion
Ecdysis
The name of muscles in earthworm is _______________.
longitudinal muscle
biceps
triceps
circular muscle
Which characteristics belong to birds?
Their bones are hollow and light
Their body weight are supported by the pectoral girdle and pelvic girdle.
Two factors that affect the stability of an animal:
volume of base
centre of gravity
base area
centre of point
The Skeletal System does what?
Support your body
Help your body move with muscles
all of the above
protect your organs
Which vehicle has higher stability?
A
B
"biceps and triceps are acting antagonistically"
true or false?
true
false
when the arm is bent, __________________________________.
biceps muscle relaxes, triceps muscle relaxes
biceps muscle contracts, triceps muscle contracts
biceps muscle contracts, triceps muscle relaxes
triceps muscles relaxes, biceps muscle relaxes
Elastic, flexible and strong connective tissue that joints two bones.
Tendon
Ligament
Cartilage
Synovial fluid acts as a ......................... which reduces friction between the ends of the bones.
lubricant
fuel
medium
During childhood stage, the growth rate of boys is ............. than girls.
faster
slower
What is the special structure?
Buttress roots
Stilt roots
Prop roots
Which of the following plants is supported by cell turgidity?
rubber tree
balsam plant
hibiscus plant
rambutan tree
Plants such as cucumber and bitter gourd have a fine and coiled structure that wraps around other plants or objects for support. This special structure is known as ...............
tendrils
stilt roots
clasping roots
Tendrils is the additional support for _________________.
rattan
fig tree
rose
cucumber
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