11th class (FSc) Biology Unit 10 MCQs
101. Flame cells are found in the phylum:
a. Mollusca
b. Nematoda
c. Platyhelminthes
d. Annelida
102. Haemocyanin is found in the phylum:
a. Hemichordate
b. Echinodermata
c. Chordate
d. Mollusca
103. Matemercially segmented animals are belonging to the:
a. Molluses
b. Annelids
c. Echinoderms
d. Cindarians
104. Excretory organ in annelid are:
a. Nephron
b. Nephridia
c. Malpighian tubule
d. Flame cells
105. Mammals have only:
a. Right aortic arch
b. Left arortic arch
c. Both a & b
d. No aortic arch
106. Only left aortic arch is present in:
a. Crow
b. Birds
c. Mammals
d. Cockroach
107. The spinny skinned animals are included in:
a. Annelida
b. Porifera
c. Mollusca
d. Echinodermata
108. Syrins is an organ of voice in:
a. Reptiles
b. Amphibian
c. Mammals
d. Birds
109. Scales in pangolin are actually:
a. Modified feathers
b. Modified rings
c. Spines
d. Modified hairs
110. Syrinx is a/an:
a. Copulatory organ in birds
b. Organ of voice in mammals
c. Seuse organ in birds
d. Organ of voice in birds
111. One of the following is a fossil fish:
a. Cotylosaurs
b. Dipnoi
c. Veranope
d. Archaeopteryx
112. The pouched mammals are:
a. Eutheria
b. Prototheria
c. Egg lying mammals
d. Mathatheria
113. The larvae such as bipinnaria and brachioloria develop in members of phylum:
a. Annelida
b. Cnidaria
c. Echinodermata
d. Mollusca
114. The example of phylum hemichortata is:
a. Aslerias
b. Molgula
c. Balanoglosus
d. Amphioxus
115. Ascaris lumbricoides is an intestinal parasite of:
a. Donkey
b. Horse
c. Monkey
d. Man
116. Pseudocoelom is characteristic feature of phylum:
a. Mollusca
b. Nematoda
c. Annelida
d. Echinodermata
117. In molluscs, a respiratory pigment of blue colour is present called:
a. Haemocyanin
b. Haemoglobin
c. None of these
d. Haemoerythrin
118. Sphenodon is found in:
a. New Zealand
b. Australia
c. Berlin
d. Texas
119. Voice organs of birds:
a. Syrinx
b. Larynx
c. Vocal cords
d. Pharynx
120. The sub class that has not primitive mammals is:
a. Eutheria
b. Portotheria
c. None of these
d. Metatheria
121. What is true sequence of bones in the mammalianear:
a. Stapes and Malleus
b. Malleus, incuse and stapes
c. Malleus and stapes
d. Incus and stapes
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