MCQOPTIONS
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MCQOPTIONS
This section includes 6820 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 1151. |
What is the number of bones known so far in the human skeleton? |
| A. | 280 |
| B. | 200 |
| C. | 220 |
| D. | 206 |
| Answer» E. | |
| 1152. |
Where is food usually digested? |
| A. | liver |
| B. | stomach |
| C. | small intestine |
| D. | large intestine |
| Answer» D. large intestine | |
| 1153. |
Which of the following in the body protects us from infection? |
| A. | R. b. C . |
| B. | W. b. C |
| C. | blood plasma |
| D. | hemoglobin |
| Answer» C. blood plasma | |
| 1154. |
The part of the eye that can be transplanted? |
| A. | retina |
| B. | cornea |
| C. | Optic nerve |
| D. | full eye |
| Answer» C. Optic nerve | |
| 1155. |
The part of the human eye on which the image of an object is formed is? |
| A. | iris |
| B. | cornea |
| C. | retina or retina |
| D. | pupil |
| Answer» D. pupil | |
| 1156. |
A person who is affected by Phenylketonuria disease suffers from which disease? |
| A. | renal failure |
| B. | hepatic enlargement |
| C. | mental inertia |
| D. | impotence |
| Answer» D. impotence | |
| 1157. |
What is the temperature regulating center in the human brain? |
| A. | pituitary gland |
| B. | Hyacinth |
| C. | hypothalamus |
| D. | cerebrum |
| Answer» D. cerebrum | |
| 1158. |
What is the main metabolic organ of the human body? |
| A. | kidney |
| B. | Lungs |
| C. | stomach |
| D. | liver |
| Answer» E. | |
| 1159. |
What is the respiratory rate in humans? |
| A. | 36 per minute |
| B. | 10 to 12 per minute |
| C. | 72 per minute |
| D. | 17 to 19 per minute |
| Answer» E. | |
| 1160. |
Where is pure blood found in the human heart? |
| A. | in aorta and left ventricle |
| B. | right ventricle and pulmonary artery |
| C. | in pulmonary artery and aorta |
| D. | pulmonary vein and right ventricle |
| Answer» B. right ventricle and pulmonary artery | |
| 1161. |
The wavelength of visible light to which the human eye is most sensitive is |
| A. | 6050 ( ( A ) ) |
| B. | 5500 ( ( A ) ) |
| C. | 4500 ( ( A ) ) |
| D. | 7500 ( ( A ) ) |
| Answer» C. 4500 ( ( A ) ) | |
| 1162. |
Where else in the body does the sound apparatus go? |
| A. | larynx |
| B. | pharynx |
| C. | guttural tube |
| D. | trachea |
| Answer» B. pharynx | |
| 1163. |
Wings of birds and bats are examples of? |
| A. | of residual organs |
| B. | homologous organs |
| C. | of analogous organs |
| D. | of ruminant organs |
| Answer» D. of ruminant organs | |
| 1164. |
Malaria is spread through the bite of which mosquito? |
| A. | culex |
| B. | anopheles female mosquito |
| C. | Dengue |
| D. | male anopheles mosquito |
| Answer» C. Dengue | |
| 1165. |
Is there a concentration in the eye? |
| A. | by change in the convexity of the lens |
| B. | back and forth motion of the lens |
| C. | back and forth motion of the retina |
| D. | by change in the refractive index of the eye fluid |
| Answer» D. by change in the refractive index of the eye fluid | |
| 1166. |
The alkaloid of which the pupil of the human eye is dilated with a very dilute solution is? |
| A. | ephedrine |
| B. | Equinil |
| C. | atrapin |
| D. | adrenal |
| Answer» D. adrenal | |
| 1167. |
The largest living bird is? |
| A. | kiwi |
| B. | penguin |
| C. | ostrich |
| D. | Hawk |
| Answer» D. Hawk | |
| 1168. |
How many chambers are there in frog's heart? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 1169. |
The mosquito that spreads Kala-azar disease to humans is? |
| A. | flea |
| B. | lice |
| C. | Bedbugs |
| D. | sand fly |
| Answer» E. | |
| 1170. |
The mammal that turns like a ball when it signals danger? |
| A. | Mole rat |
| B. | thorn rat |
| C. | sehi |
| D. | apossum |
| Answer» C. sehi | |
| 1171. |
What is the smallest bird? |
| A. | kiwi |
| B. | humming bird |
| C. | ostrich |
| D. | penguin |
| Answer» C. ostrich | |
| 1172. |
Which of the following is a real fish? |
| A. | flying fish |
| B. | cray fish |
| C. | cuttle fish |
| D. | silver fish |
| Answer» B. cray fish | |
| 1173. |
What is known as cuttle fish? |
| A. | loligo |
| B. | mussels |
| C. | Step |
| D. | Terido |
| Answer» C. Step | |
| 1174. |
The largest flightless bird that can run at the fastest speed? is he? |
| A. | penguin |
| B. | kiwi |
| C. | ostrich |
| D. | emu |
| Answer» D. emu | |
| 1175. |
Which animal has the largest number in the world? |
| A. | fish |
| B. | beetle |
| C. | Reptiles |
| D. | Bird |
| Answer» B. beetle | |
| 1176. |
By whom does the respiration in fishes take place? |
| A. | scale |
| B. | lung |
| C. | Gilles |
| D. | NASA hole |
| Answer» D. NASA hole | |
| 1177. |
What is the connecting link between Annelida and Mollusca? |
| A. | Neoplina |
| B. | Ketoderma |
| C. | Dentalum |
| D. | Unio |
| Answer» B. Ketoderma | |
| 1178. |
The national breast of India is? |
| A. | cattle |
| B. | Peacock |
| C. | Lion |
| D. | Tiger |
| Answer» E. | |
| 1179. |
Seahorse is an example of which class? |
| A. | fish |
| B. | Mammals |
| C. | Reptiles |
| D. | Molska |
| Answer» B. Mammals | |
| 1180. |
Which is a cruel animal? |
| A. | penguin |
| B. | Hnell |
| C. | otter |
| D. | Tortoise |
| Answer» E. | |
| 1181. |
Could it be a cold blooded animal? |
| A. | fish |
| B. | Lizard |
| C. | Frog |
| D. | all these |
| Answer» E. | |
| 1182. |
What is the larva of a frog called? |
| A. | pupa |
| B. | Mangot |
| C. | caterpillar |
| D. | tadpole |
| Answer» E. | |
| 1183. |
In which geographical area is the Kiwi bird found? |
| A. | New Zealand |
| B. | Australia |
| C. | The. Africa |
| D. | Canada |
| Answer» B. Australia | |
| 1184. |
In amoeba, where are the chromosomes important? |
| A. | to take food |
| B. | for circulation only |
| C. | for food intake and circulation |
| D. | for attack only |
| Answer» D. for attack only | |
| 1185. |
By what other names is the Cilantrata confederation known? |
| A. | protozoa |
| B. | porifera |
| C. | cnidaria |
| D. | annelida |
| Answer» D. annelida | |
| 1186. |
Tapeworm is an important animal of which union? |
| A. | annelida |
| B. | amphibia |
| C. | Molska |
| D. | fultihelminthes |
| Answer» E. | |
| 1187. |
Where is Enamoeba histolytica found in human body? |
| A. | gut |
| B. | throat |
| C. | stomach |
| D. | lung |
| Answer» B. throat | |
| 1188. |
Coral reef (coral reef) is formed by? |
| A. | protozoa |
| B. | Cilantreta |
| C. | orthopoda |
| D. | porifera |
| Answer» C. orthopoda | |
| 1189. |
By eating which of the following undercooked meat, tapeworm reaches human intestine? |
| A. | goat |
| B. | sheep |
| C. | cattle |
| D. | pigs |
| Answer» E. | |
| 1190. |
The panda also belongs to the same family, to which it belongs? |
| A. | Bear |
| B. | cat |
| C. | dog |
| D. | rabbit |
| Answer» B. cat | |
| 1191. |
There is no middle ear in a snake. they receive sound |
| A. | with tongue |
| B. | by mouth |
| C. | from the skin |
| D. | by foot |
| Answer» D. by foot | |
| 1192. |
Starfish is known as? |
| A. | Astorians |
| B. | holothuria |
| C. | antidon |
| D. | sea urchins |
| Answer» B. holothuria | |
| 1193. |
Which blood pigment is present in earthworm? |
| A. | hemocyanin |
| B. | Hematin |
| C. | hemoglobin |
| D. | cyanine |
| Answer» B. Hematin | |
| 1194. |
What is the nucleus without red blood cells? |
| A. | of reptiles and mammals |
| B. | Bird |
| C. | amphibia |
| D. | breast |
| Answer» E. | |
| 1195. |
How many arms does an octopus have? |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 8 |
| Answer» E. | |
| 1196. |
In which one of the following species the phenomenon is found in which the female kills the male after copulation? |
| A. | Tiger |
| B. | honey bee |
| C. | Spider |
| D. | pit viper |
| Answer» D. pit viper | |
| 1197. |
Due to the absence of which of these there is no life on the moon? |
| A. | H₂O |
| B. | That |
| C. | C |
| D. | none of these |
| Answer» B. That | |
| 1198. |
Devil fish is known as? |
| A. | Step |
| B. | mussels |
| C. | Trido |
| D. | Octopus |
| Answer» E. | |
| 1199. |
Dormancy of an animal at high temperature is called? |
| A. | regeneration |
| B. | mutation |
| C. | holothuria |
| D. | estivation |
| Answer» E. | |
| 1200. |
Octopus is a . . . |
| A. | arthropod |
| B. | turnip |
| C. | Hemicorda |
| D. | Mild |
| Answer» E. | |