Biology 11 Chapter - 9
Diversity Among Animals - 6
1.
The digestive glands are derived from?
a) mesoglea
b) mesoderm
c) endoderm
d) ectoderm
2.
The blood vascular system is derived from?
a) mesoglea
b) mesoderm
c) endoderm
d) ectoderm
3.
The digestive system of triploblastic animals is?
a) tube like
b) vestigial
c) sac like
d) rudimentary
4.
The symmetry in the body of triploblastic animals is?
a) radial
b) bilateral
c) trilateral
d) absent
5.
Triploblastic animals are?
a) pseudocoelomates
b) acoelomates
c) all of these
d) coelomates
6.
According to body symmetry, the animals are classified into?
a) coelomates and acoelomates
b) parazoa and eumatazoa
c) diploblastic and triploblastic
d) bilateria and radiata
7.
The symmetry in the grade radiata is?
a) radial
b) bilateral
c) trilateral
d) absent
8.
The grade radiata includes?
a) triploblastic animals
b) monoblastic animals
c) tetrablastic animals
d) diploblastic animals
9.
In radial symmetry, the body of an organism can be divided into two equal halves in?
a) only one plane
b) three planes
c) any plane
d) two planes
10.
Radial symmetry is an adaptation to?
a) aquatic life
b) aerial life
c) sessile life
d) motile life
This is more feedback!
This is the feedback!
