Question

1. Which of the following organism have hollow bones?
a) Fish
b) Snail
c) Bird
d) Cockroach
2. Paramecium is a/an
organism:
a) Unicellular
b) Multicellular
c) Both a) and b)
d) None of these
3. Joint present in elbow is:
a) Hinge joint
b) Gliding joint
c) Ball and socket joint
d) Pivot joint
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Answer 1

Answer:

cockroache both gliding joint

Answer 2

Answer:

a) birds they have hollow bones to fly

b) unicellular cuz it is made of only one cell

c) gliding cuz it is open like a door