MCQOPTIONS
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MCQOPTIONS
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.
| 151. |
The animals which have both the features of mammals and reptiles together includes |
| A. | duckbill platypus |
| B. | spiny ant eater |
| C. | Both A and B |
| D. | None of Above |
| Answer» D. None of Above | |
| 152. |
The body of sponges possesses a single carity called |
| A. | sac |
| B. | spongocoel |
| C. | coelom |
| D. | mesoglea |
| Answer» C. coelom | |
| 153. |
The red blood cells of mammals are |
| A. | mono-nucleated |
| B. | di-nucleated |
| C. | non-nucleated |
| D. | nucleated |
| Answer» D. nucleated | |
| 154. |
The pore-bearing animals are commonly called |
| A. | sponges |
| B. | molasses |
| C. | coral reefs |
| D. | sea anemone |
| Answer» B. molasses | |
| 155. |
The fetus inside mother is nourished via |
| A. | skin |
| B. | food pipe |
| C. | placenta |
| D. | stomach |
| Answer» D. stomach | |
| 156. |
The mammalian ancestors and reptiles lived together in Jurassic times hence called |
| A. | mammals |
| B. | reptiles |
| C. | mammals like reptiles |
| D. | None of Above |
| Answer» D. None of Above | |
| 157. |
A fresh water sponge is |
| A. | sycon |
| B. | spogilla |
| C. | euplectella |
| D. | leucoselenia |
| Answer» C. euplectella | |
| 158. |
The body of mammals is covered by |
| A. | feathers |
| B. | hairs |
| C. | scales |
| D. | fins |
| Answer» C. scales | |
| 159. |
The sense organs which are present on the lips at anterior ends are called |
| A. | flame cell |
| B. | nematocytes |
| C. | flagella |
| D. | papillae |
| Answer» E. | |
| 160. |
The body of prechordates is divided into an anterior proboscis, collar and |
| A. | root |
| B. | trunk |
| C. | bark |
| D. | tail |
| Answer» C. bark | |
| 161. |
The sieve-like plate structure which helps in circulation water through channels is called |
| A. | tube foot |
| B. | channels |
| C. | tubules |
| D. | madreporite |
| Answer» E. | |
| 162. |
Fishes keep themselves balance in water while swimming by its |
| A. | scales |
| B. | gills |
| C. | bladder |
| D. | fins |
| Answer» E. | |
| 163. |
Cleavage of the zygote is spiral and determinate in |
| A. | Proterostomia |
| B. | deutrostomia |
| C. | Both A and B |
| D. | None of Above |
| Answer» B. deutrostomia | |
| 164. |
Class Arachnida has special appendages on their body called as |
| A. | pedipalps |
| B. | gills |
| C. | antennae |
| D. | Chelicerae |
| Answer» E. | |
| 165. |
The asexual reproduction in sponge is done by the process of |
| A. | budding |
| B. | conugation |
| C. | binary fission |
| D. | multiple fission |
| Answer» B. conugation | |
| 166. |
Biologists believe that mammals have been evolved from their reptilian ancestors they |
| A. | dinosaurs |
| B. | brachiosaurs |
| C. | cotylasaurs |
| D. | None of Above |
| Answer» D. None of Above | |
| 167. |
Setae are the organs of |
| A. | locomotion |
| B. | excretion |
| C. | respiration |
| D. | digestion |
| Answer» B. excretion | |
| 168. |
The multicellular animals are distinguish from unicellular by name |
| A. | parazoa |
| B. | metazoa |
| C. | protozoa |
| D. | None of Above |
| Answer» C. protozoa | |
| 169. |
In America roads are made by using tar mixed with shells of |
| A. | snail |
| B. | turtle |
| C. | oyster |
| D. | sea anemone |
| Answer» D. sea anemone | |
| 170. |
The muscles of annelids which are arranged along the length of body are called |
| A. | smooth muscles |
| B. | longitudinal muscles |
| C. | Both A and B |
| D. | None of Above |
| Answer» C. Both A and B | |
| 171. |
The sexual reproducing Platyhelminthes consists of both male and female organ on same individual, hence called |
| A. | hermaphrodites |
| B. | homodites |
| C. | Both A and B |
| D. | None of Above |
| Answer» B. homodites | |
| 172. |
The body of sponges contain special out layer made up of cells called |
| A. | spongecytes |
| B. | cytes |
| C. | cnidocytes |
| D. | pinaocytes |
| Answer» E. | |
| 173. |
Pouched mammals are called |
| A. | prototheria |
| B. | eutheria |
| C. | metatheria |
| D. | None of Above |
| Answer» D. None of Above | |
| 174. |
Bony fishes have brain which is composed of 10 pains of |
| A. | cranial nerves |
| B. | ganglia |
| C. | flame cells |
| D. | neurons |
| Answer» B. ganglia | |
| 175. |
Higher chordates have a specialized notochord called |
| A. | brain |
| B. | muscles |
| C. | vertebral column |
| D. | None of Above |
| Answer» D. None of Above | |
| 176. |
The digestive system of nematodes have two openings and in the form of |
| A. | alimentary canal |
| B. | digestive tract |
| C. | neuron |
| D. | muscules |
| Answer» B. digestive tract | |
| 177. |
The exoskeleton appears on the dorsal side of the Arthropods in the form of |
| A. | cephalothorax |
| B. | carapace |
| C. | gills |
| D. | None of Above |
| Answer» C. gills | |
| 178. |
The group of animals which feed on their mother's milk are called as |
| A. | birds |
| B. | arthropods |
| C. | mammals |
| D. | reptiles |
| Answer» D. reptiles | |
| 179. |
The class cyclostomatous includes the living vertebrates which are most primitive and lack |
| A. | brain |
| B. | alimentary canal |
| C. | jaws |
| D. | teeth |
| Answer» D. teeth | |
| 180. |
Sharks and rays are present in the group of class |
| A. | Chondrichthyes |
| B. | Osteichthyes |
| C. | None of Above |
| D. | both of them |
| Answer» B. Osteichthyes | |
| 181. |
The earliest known bird is |
| A. | archaceoptephyx |
| B. | crow |
| C. | eagle |
| D. | dote |
| Answer» B. crow | |
| 182. |
Nematodes lack respiratory system and |
| A. | digestive system |
| B. | nervous system |
| C. | circulatory system |
| D. | all of these |
| Answer» D. all of these | |
| 183. |
The family of Octopus is called |
| A. | gastropoda |
| B. | pelecypoda |
| C. | cephalopoda |
| D. | None of Above |
| Answer» D. None of Above | |
| 184. |
The stinging cells which are produced from cnidocytes are called |
| A. | cnidarians |
| B. | nematocysts |
| C. | leukocytes |
| D. | None of Above |
| Answer» C. leukocytes | |
| 185. |
The heart of class cyclostomatous have a heart with one |
| A. | ventricle |
| B. | auricle |
| C. | artery |
| D. | vein |
| Answer» C. artery | |
| 186. |
The body of tapeworm is ribbon like and divided in to segment called |
| A. | proglottids |
| B. | plastids |
| C. | segmented |
| D. | ribbons |
| Answer» B. plastids | |
| 187. |
Animalia is the Latin word which means |
| A. | cells |
| B. | Breath or soul |
| C. | body |
| D. | life |
| Answer» C. body | |
| 188. |
The animals from Grade Bilateria have well defined |
| A. | dorsal sufaces |
| B. | dorsal and ventral sufaces |
| C. | ventral surfaces |
| D. | None of Above |
| Answer» C. ventral surfaces | |
| 189. |
The internal buds which develop into new sponges are called |
| A. | ostulus |
| B. | gemmules |
| C. | ostia |
| D. | osculum |
| Answer» C. ostia | |
| 190. |
Neiris belong to the class |
| A. | polychaeta |
| B. | hirudinea |
| C. | oligochaeta |
| D. | None of Above |
| Answer» B. hirudinea | |
| 191. |
The mode of fertilization in class Pisces is |
| A. | internal |
| B. | external |
| C. | Both A and B |
| D. | None of Above |
| Answer» C. Both A and B | |
| 192. |
Archaeopteryx was the size of a |
| A. | dove |
| B. | crow |
| C. | parrot |
| D. | macaw |
| Answer» C. parrot | |
| 193. |
The respiratory system of hemichordates is composed of |
| A. | gills |
| B. | blood vessels |
| C. | gill-slits |
| D. | None of Above |
| Answer» D. None of Above | |
| 194. |
Molluscus contain a blue pigment which helps in |
| A. | digestion |
| B. | respiration |
| C. | circulation |
| D. | None of Above |
| Answer» C. circulation | |
| 195. |
The extensions of lungs which are extended in bones are known as |
| A. | syrinx |
| B. | claws |
| C. | air-sacs |
| D. | alveoli |
| Answer» D. alveoli | |
| 196. |
Tape worm can regrow in beef. If its head remain inside the intestine it needs medication for completely removal and physicians may also prescribe |
| A. | antifungal |
| B. | antiobiotic |
| C. | anme |
| D. | anti allergic |
| Answer» D. anti allergic | |
| 197. |
Amphibians are poikilothermix therefore they use to hibernate in |
| A. | winter |
| B. | summer |
| C. | autumn |
| D. | spring |
| Answer» B. summer | |
| 198. |
The flagellated collar cells constitutes the layer |
| A. | choanoderm |
| B. | epiderm |
| C. | mesoderm |
| D. | endoderm |
| Answer» B. epiderm | |
| 199. |
The name Platyhelminthes means |
| A. | worms |
| B. | tape worms |
| C. | flat worms |
| D. | snakes |
| Answer» D. snakes | |
| 200. |
The exoskeleton of colonial coelenterates take lime from |
| A. | river |
| B. | sea |
| C. | pond |
| D. | waterfall |
| Answer» C. pond | |