Biology 11 Chapter - 9
Diversity Among Animals - 31
1.
Which one of the following parts of echinoderms is used as fertilizers?
a) Gonades
b) Eggs
c) Dried skeletons
d) Tube feet
2.
The dried skeletons of echinoderms contain high percentage of?
a) Calcium
b) Nitrogen
c) Zinc
d) B and c are correct
3.
The phylum hemichordata shows the characters of?
a) Both of these
b) Echinoderms
c) Chordates
d) None of these
4.
Hemichordates are also called as?
a) Pseudochordates
b) Prochordates
c) Echinoderms
d) Eurochordates
5.
Sacoglossus is a?
a) Insect
b) Hemichordate
c) Echinoderm
d) Urochordate
6.
Hemichordates are called as?
a) Pinworms
b) Tapworms
c) Roundworms
d) Acorn worms
7.
Hemichordates are living in?
a) Soil
b) Marine water
c) Air
d) Freshwater
8.
Proboscis, collar and trunk. These are the body regions of?
a) Echinoderms
b) Hemichordates
c) Insects
d) Mollusks
9.
Which one of the following is not the charactristic of hemichordates?
a) Triploblastic
b) Bilateral
c) Pseudocoelomates
d) True coelomates
10.
Respiration in hemichordates takes place by?
a) Spiracles
b) Gonades
c) Lungs
d) Gill slits
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