

MCQOPTIONS
Saved Bookmarks
This section includes 332 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
101. |
Amphibians are poikilothermix, therefore they use to hibernate in |
A. | winter |
B. | summer |
C. | autumn |
D. | spring |
Answer» B. summer | |
102. |
Cleavage in which planes of cleavage are symmetrical to polar axis and produce tiers of cells is radial and |
A. | spiral |
B. | indeterminate |
C. | determinate |
D. | independent |
Answer» C. determinate | |
103. |
Mesoderm is derived from wall of developing gut (archentron) in series |
A. | deutrostomia |
B. | pterostomia |
C. | protrostomia |
D. | pretostomia |
Answer» B. pterostomia | |
104. |
Lower jaw of mammals is composed of only one |
A. | Teeth |
B. | bone |
C. | cartilage |
D. | muscles |
Answer» C. cartilage | |
105. |
Body of mammals is covered by |
A. | feathers |
B. | hairs |
C. | scales |
D. | fins |
Answer» C. scales | |
106. |
Animals which have both features of mammals and reptiles together, include |
A. | duckbill platypus |
B. | spiny ant eater |
C. | wolves |
D. | Both a and b |
Answer» E. | |
107. |
Chitinous Setae are locomotry organs of annelids which are present on |
A. | parapodia |
B. | cell wall |
C. | prostomium |
D. | nucleolus |
Answer» B. cell wall | |
108. |
Neiris belong to class |
A. | polychaeta |
B. | hirudinea |
C. | oligochaeta |
D. | animalia |
Answer» B. hirudinea | |
109. |
If two different types of individuals structurally or functionally occur in same organism, this condition is called |
A. | heteromorphism |
B. | morphism |
C. | polymorphism |
D. | hypomorphism |
Answer» D. hypomorphism | |
110. |
Animals of division Radiata are |
A. | triploblastic |
B. | diploblastic |
C. | radioblastic |
D. | quadroblastic |
Answer» C. radioblastic | |
111. |
Balanoglossus and Saccoglossus belongs to the phylum |
A. | radiata |
B. | bilateria |
C. | fungi |
D. | hemichordate |
Answer» E. | |
112. |
The embryo of Taenia is inside the egg and contain chitinous hook that are in number |
A. | 6 |
B. | 7 |
C. | 5 |
D. | 9 |
Answer» B. 7 | |
113. |
Hydra and obelia are |
A. | parasites |
B. | sessile |
C. | protists |
D. | cones |
Answer» C. protists | |
114. |
The blood of arthropods is colorless due to lack of |
A. | hemoglobin |
B. | immunoglobin |
C. | chromatin |
D. | None of Above |
Answer» B. immunoglobin | |
115. |
Sponges are |
A. | sessile |
B. | parasite |
C. | prokaryotes |
D. | eukaryotes |
Answer» B. parasite | |
116. |
The 'little ring' is common name for organism of Phylum |
A. | Protozoa |
B. | Aneelida |
C. | platyhelminthes |
D. | Nematoda |
Answer» C. platyhelminthes | |
117. |
Group of animals which have bilateral symmetry are known as Grade |
A. | Radiata |
B. | Chordata |
C. | Bilateria |
D. | None of Above |
Answer» D. None of Above | |
118. |
Single mouthed sac like digestive cavity in cnidarian is called |
A. | osulum |
B. | ostia |
C. | enteron |
D. | canal |
Answer» D. canal | |
119. |
The free living specie that feed on small animals and bodies of deads and decaying is |
A. | spleen |
B. | liver worts |
C. | Adiantum |
D. | Planaria |
Answer» E. | |
120. |
The skeleton of sponges is composed of needlelike structures called |
A. | spicules |
B. | ostia |
C. | osculum |
D. | spongecoel |
Answer» B. ostia | |
121. |
Mammals which give birth to the young ones of their own kind are called |
A. | oviparous |
B. | viviparous |
C. | ovoviviparous |
D. | None of Above |
Answer» C. ovoviviparous | |
122. |
The bulb like cells which are performing eccretory functions are |
A. | neurospore |
B. | flame cells |
C. | rhizoids |
D. | ganlia |
Answer» C. rhizoids | |
123. |
Insects which eat dead animals and vegetables are known as |
A. | parasites |
B. | hermaphrodite |
C. | actinopods |
D. | scavengers |
Answer» E. | |
124. |
A harmful molluscus which is injurious to gardens and cultivations is termed as |
A. | oyster |
B. | octopus |
C. | feredo |
D. | slug |
Answer» E. | |
125. |
There are four bands of muscles in Nematodes, two are dorso-lateral and two |
A. | ventro-lateral |
B. | dorso-ventral |
C. | Both A and B |
D. | None of Above |
Answer» B. dorso-ventral | |
126. |
The lobed structure which is present at the mouth of alimentary canal of annelids is termed as |
A. | nephridia |
B. | mucus |
C. | anus |
D. | prostomium |
Answer» E. | |
127. |
Endo-parasite which live in bile duct of a human and sheep is |
A. | tape worms |
B. | liver worts |
C. | Fasciola |
D. | round worms |
Answer» D. round worms | |
128. |
If two different types of individuals structurally or functionally occur in same organism is called |
A. | heteromorphism |
B. | morphism |
C. | polymorphism |
D. | None of Above |
Answer» D. None of Above | |
129. |
The organ of voice in bird is called a |
A. | trachea |
B. | syrinx |
C. | air sacs |
D. | balloon |
Answer» C. air sacs | |
130. |
The evidences suggests that birds have been evolved from ancestors of |
A. | amphibians |
B. | insects |
C. | dinosaurs |
D. | reptiles |
Answer» E. | |
131. |
The bones in ear of mammals are |
A. | Malleus |
B. | Ineus |
C. | staples |
D. | All of Above |
Answer» E. | |
132. |
The ability to reform its lost organ in animals is called as |
A. | mitosis |
B. | meiosis |
C. | regeneration |
D. | regrowth |
Answer» D. regrowth | |
133. |
Annelids have specialized structure for excretion called |
A. | flame cells |
B. | nephridia |
C. | bulb cells |
D. | none |
Answer» C. bulb cells | |
134. |
Birds have developed a thick muscular organ which helps in crushing of food called |
A. | jaws |
B. | beak |
C. | tongue |
D. | gizzard |
Answer» E. | |
135. |
The aggregation of individuals that perform different functions constitutes a |
A. | population |
B. | medusae |
C. | colony |
D. | specie |
Answer» D. specie | |
136. |
The presence of bony brain in chordates is called as |
A. | chordates |
B. | notochord |
C. | tunicates |
D. | craniates |
Answer» E. | |
137. |
Sleeping sickness and skin diseases are caused by Tsetse fly which transmits chemical called |
A. | plasmodium |
B. | trypanosome |
C. | poison |
D. | wax |
Answer» C. poison | |
138. |
Centipede and millipedes are examples of class |
A. | Myriapodia |
B. | insecta |
C. | Arachnida |
D. | crustacean |
Answer» B. insecta | |
139. |
There are two types of muscles in annelids on the basis of arrangement of |
A. | flame cells |
B. | nephridia |
C. | muscles |
D. | chitin |
Answer» D. chitin | |
140. |
Archaeopteryx has much resemblance to dinosaurs and each wing had |
A. | 3 claws |
B. | 4 claws |
C. | 5 claws |
D. | 2 claws |
Answer» B. 4 claws | |
141. |
Umbrella like form which are free swimming and possess sexual reproduction are |
A. | medusae |
B. | tentacles |
C. | rhizoids |
D. | gastrozoids |
Answer» B. tentacles | |
142. |
Class amphibian, reptilian, aves and mammalian belong to sub-phylum called |
A. | pices |
B. | echinodermata |
C. | chordate |
D. | tetrapoda |
Answer» E. | |
143. |
Glandular epithelia envelope which secretes calcareous shell is called |
A. | chitin |
B. | exoskeleton |
C. | mantle |
D. | None of Above |
Answer» D. None of Above | |
144. |
The mesoderm is derived from wall of developing gut (archentron) in the series |
A. | Deutrostomia |
B. | pterostomia |
C. | Both A and B |
D. | None of Above |
Answer» B. pterostomia | |
145. |
Mesentries are prominent in the enteron of the body of the |
A. | Actinia |
B. | sea anemone |
C. | jelly fish |
D. | obelia |
Answer» B. sea anemone | |
146. |
Nematoda means |
A. | pointed ends |
B. | pointed bodies |
C. | pointed cells |
D. | None of Above |
Answer» B. pointed bodies | |
147. |
oviducts and ovaries are both functional in |
A. | eagle |
B. | crow |
C. | reptiles |
D. | raven |
Answer» B. crow | |
148. |
The cylindrical animals which are nutritive in function are polps of cnidarian and named as |
A. | rhizoids |
B. | gastrozoids |
C. | Both A and B |
D. | None of Above |
Answer» B. gastrozoids | |
149. |
The liver oil which is used in medicine as a source of multivitamin(A and D) is obtained from |
A. | shark |
B. | ray |
C. | eel |
D. | dolphin |
Answer» B. ray | |
150. |
The nerve ring is found in the pharyngeal region of |
A. | molluscus |
B. | annelids |
C. | echinoderms |
D. | arthropods |
Answer» D. arthropods | |