Question

State whether the statements given below are True or False:
(i) The bones are soft while cartilages are hard.
(ii) Skeleton system gives the body support and protects inner organs.
(iii) Doctors use X-ray films to examine the injuries of bones.
(iv) The bones of cranium are flat and held firmly like a zipper.
(v) Upper jaw is movable.
(vi) Five vertebrae of hip and four vertebrae of tail are fused.
(vii) Bones in the foot are normally set in an arch.
(viii) A human body is born with about 206 bones.
(ix) There are air sacs connected with the lungs in birds.
(x) Locomotion in a snake is like swimming on land.
(xi) Muscular foot in snail is part of its belly.
(xii) The bones are moved by simultaneous contractions and relaxation of two sets of muscles.
(xiii) All the joints in our body are similar.
(xiv) Cockroaches cannot walk.
(xv) The minute movable bristles in earthworm help in gripping the ground.

Answer 1

i) False

ii) True

iii) True

iv) True

v) True

vi) True

vii) True

viii) False

ix) True

x) True

xi) True

xii) True

xiv) False

xv) True

Answer 2

Answer:

1* it is false actually it should be reversed

2*true. It gives support to our body

3* true. Basically it is ionising technique which is also to detect cancers.

4*true the joints are called as sutures technically

5*true

6* true

7* true

8*false it is 300

9* true

10*false

11*true but it does not seem the actual comparison

12*true

13*false coz they have different shapes according to different postions

14*false coz they have 3paired legs consideres under joint legged animals

15* true called setae the locomotory organs in pheretime

4*