MCQOPTIONS
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MCQOPTIONS
This section includes 1844 Mcqs, each offering curated multiple-choice questions to sharpen your Grade10 knowledge and support exam preparation. Choose a topic below to get started.
| 1151. |
The cerebral hemisphere's upper layer is |
| A. | cerebral cortex |
| B. | cerebellum cortex |
| C. | ganglion cortex |
| D. | myelin cortex |
| Answer» B. cerebellum cortex | |
| 1152. |
Canals present posterior to the vestibule are called |
| A. | circular canals |
| B. | semicircular canals |
| C. | auditory canal |
| D. | cochlea |
| Answer» C. auditory canal | |
| 1153. |
The nerve growth factor is a type of |
| A. | lipids |
| B. | lipids |
| C. | starch |
| D. | protein |
| Answer» E. | |
| 1154. |
The disorder in which the one or more muscle groups faces the full loss of function is called |
| A. | angina |
| B. | epilepsy |
| C. | cirrhosis |
| D. | paralysis |
| Answer» E. | |
| 1155. |
The excessive and abnormal discharge of brain nerve impulses is called |
| A. | cirrhosis |
| B. | angina |
| C. | epilepsy |
| D. | paralysis |
| Answer» D. paralysis | |
| 1156. |
The organs that detect a particular type of stimuli are called |
| A. | detectors |
| B. | coordinators |
| C. | effectors |
| D. | receptors |
| Answer» E. | |
| 1157. |
In a neuron, the cytoplasm and nucleus is located in |
| A. | papillary glands |
| B. | cell body |
| C. | endocrine system |
| D. | nerve impulses |
| Answer» C. endocrine system | |
| 1158. |
The kind of impulses that jump from node to node over the myelin areas are classified as |
| A. | ranvier pulses |
| B. | motor impulses |
| C. | saltatory impulses |
| D. | rotator impulses |
| Answer» D. rotator impulses | |
| 1159. |
The fluid contained by the posterior chamber of the eye is called |
| A. | aqueous humor |
| B. | vitreous humor |
| C. | tears |
| D. | macula |
| Answer» C. tears | |
| 1160. |
Abnormal and excessive discharge of nerve impulses in the brain is called |
| A. | paralysis |
| B. | epilepsy |
| C. | stroke |
| D. | nervous disorder |
| Answer» C. stroke | |
| 1161. |
The hormone epinephrine is secreted by |
| A. | adrenal lecithin |
| B. | adrenal steroids |
| C. | adrenal cortex |
| D. | adrenal medulla |
| Answer» E. | |
| 1162. |
The thyroid-stimulating hormone is secreted by the |
| A. | anterior lobe of thyroid gland |
| B. | exterior lobe of pituitary gland |
| C. | posterior lobe of pituitary gland |
| D. | anterior lobe of pituitary gland |
| Answer» E. | |
| 1163. |
The middle ear consists of |
| A. | malleus, incus and stapes |
| B. | vestibule, semicircular canals and cochlea |
| C. | pinna, auditory canal and ear drum |
| D. | malleus and pinna |
| Answer» B. vestibule, semicircular canals and cochlea | |
| 1164. |
Hypermetropia can be rectified by using |
| A. | eye lens |
| B. | convex lens |
| C. | diverging lens |
| D. | concave lens |
| Answer» C. diverging lens | |
| 1165. |
The point in the retina from where the optic nerve enters into the retina is called |
| A. | fovea |
| B. | rods and cones |
| C. | rhodopsin |
| D. | optic disc |
| Answer» E. | |
| 1166. |
The pea-shaped gland attached to the hypothalamus is |
| A. | parathyroid |
| B. | thyroid |
| C. | pituitary |
| D. | adrenal |
| Answer» D. adrenal | |
| 1167. |
The major function of estrogen is to deposit |
| A. | oxygen in blood |
| B. | minerals in bones |
| C. | growth hormone in blood |
| D. | glucose in blood |
| Answer» C. growth hormone in blood | |
| 1168. |
The muscles that perform opposite jobs are called |
| A. | insertion pair |
| B. | extensor pair |
| C. | antagonists pair |
| D. | protagonists pair |
| Answer» D. protagonists pair | |
| 1169. |
The longest bone in the human body is of |
| A. | rib cage |
| B. | vertebral column bones |
| C. | thigh bone |
| D. | arm bone |
| Answer» D. arm bone | |
| 1170. |
The example of moveable joints includes |
| A. | joints of vertebral disc |
| B. | joints of vertebrae |
| C. | elbow and knee joint |
| D. | joints of skull bones |
| Answer» D. joints of skull bones | |
| 1171. |
Mature cells of bones are called |
| A. | chondrocytes |
| B. | osteocytes |
| C. | bone cells |
| D. | endothelial cells |
| Answer» C. bone cells | |
| 1172. |
In the spinal cord, the impulse is transmitted from receptor neuron to relay neuron via |
| A. | effector neuron |
| B. | pituitary gland |
| C. | synapse |
| D. | sebum |
| Answer» D. sebum | |
| 1173. |
Which of the following is found in intervertebral discs? |
| A. | hyaline cartilage |
| B. | elastic cartilage |
| C. | fibrous cartilage |
| D. | none of above |
| Answer» D. none of above | |
| 1174. |
The pectoral bones (shoulder bones) are composed of |
| A. | eight bones |
| B. | four bones |
| C. | five bones |
| D. | six bones |
| Answer» C. five bones | |
| 1175. |
If planarian breaks into many pieces instead of two, it is called |
| A. | fragmentation |
| B. | multiple division |
| C. | asexual reproduction |
| D. | binary fission |
| Answer» B. multiple division | |
| 1176. |
The process in which ovaries develop into the fruit without the fertilization inside their ovules is called |
| A. | parthenogenesis |
| B. | parthenocarpy |
| C. | cross pollination |
| D. | self pollination |
| Answer» C. cross pollination | |
| 1177. |
The structures that are formed by the shrinkage of nuclei includes |
| A. | acrosome |
| B. | tail |
| C. | mitochondrial ring |
| D. | all of above |
| Answer» E. | |
| 1178. |
The animals whose egg cells are fertilized by the external environment are |
| A. | amphibians |
| B. | reptiles |
| C. | mammals |
| D. | birds |
| Answer» E. | |
| 1179. |
Considering sexual reproduction in animals, the male gonads are known as |
| A. | ovaries |
| B. | sperms |
| C. | oocytes |
| D. | testes |
| Answer» E. | |
| 1180. |
The human brain is situated in a bony structure called |
| A. | benign |
| B. | meninges |
| C. | polonium |
| D. | cranium |
| Answer» E. | |
| 1181. |
A wave of electrochemical changes that travels along the length of neurons is called |
| A. | nerve-growth factor |
| B. | myelin sheath |
| C. | hormone |
| D. | nerve impulse |
| Answer» E. | |
| 1182. |
Which of the following muscles of iris contract during bright light? |
| A. | radial |
| B. | circular |
| C. | ciliary |
| D. | none of above |
| Answer» C. ciliary | |
| 1183. |
The normal range of blood glucose after an 8-10 hour fast is |
| A. | 50mg/100 ml |
| B. | 25mg/100ml |
| C. | 99mg/100ml |
| D. | 75mg/100ml |
| Answer» D. 75mg/100ml | |
| 1184. |
The brain stem consists of the pons, medulla oblongata and |
| A. | forebrain |
| B. | midbrain |
| C. | hindbrain |
| D. | hypothalamus |
| Answer» C. hindbrain | |
| 1185. |
The daughter cells formed after the cell division in each sporangium are called |
| A. | cysts |
| B. | endosperms |
| C. | sporangia |
| D. | spores |
| Answer» E. | |
| 1186. |
The portion of the uterus which separates it from birth canal is called |
| A. | vagina |
| B. | horn |
| C. | seminiferous tubule |
| D. | cervix |
| Answer» E. | |
| 1187. |
The endosperm nucleus is |
| A. | haploid |
| B. | diploid |
| C. | triploid |
| D. | tetraploid |
| Answer» D. tetraploid | |
| 1188. |
Each macrospore produce egg cell through |
| A. | mitosis |
| B. | meiosis |
| C. | budding |
| D. | cloning |
| Answer» C. budding | |
| 1189. |
The parts of angiosperms seeds include |
| A. | seed coat |
| B. | endosperm tissue |
| C. | an embryo |
| D. | all of above |
| Answer» E. | |
| 1190. |
Eyelids prevent eyes from |
| A. | shrinking |
| B. | bathing |
| C. | dehydration |
| D. | swelling |
| Answer» D. swelling | |
| 1191. |
In the peripheral nervous system, the nerves that arise from spinal cord and brain are called |
| A. | frontal nerves |
| B. | temporal nerves |
| C. | cranial nerves |
| D. | spinal nerves |
| Answer» D. spinal nerves | |
| 1192. |
Blood glucose concentration rises because of |
| A. | glucagon |
| B. | glucose |
| C. | insulin |
| D. | none of above |
| Answer» B. glucose | |
| 1193. |
The clear fluid present in the anterior chamber is called |
| A. | optic humor |
| B. | spot humor |
| C. | vitreous humor |
| D. | aqueous humor |
| Answer» E. | |
| 1194. |
The example of coordinators in chemical coordination is |
| A. | endocrine glands |
| B. | spinal cord and brain |
| C. | human skin |
| D. | human eyes |
| Answer» B. spinal cord and brain | |
| 1195. |
Disorders caused due to disturbance in nerve impulse generation and transmission are called |
| A. | nerve impulse disorder |
| B. | functional disorder |
| C. | nervous disorder |
| D. | transmission disorder |
| Answer» C. nervous disorder | |
| 1196. |
After leaving the spinal cord, the spinal nerve gets divided into nerve fibers, connecting to |
| A. | receptors |
| B. | effectors |
| C. | midbrain |
| D. | all parts of body |
| Answer» E. | |
| 1197. |
Some auditory reflexes and posture are controlled by |
| A. | forebrain |
| B. | spinal cord |
| C. | hindbrain |
| D. | midbrain |
| Answer» E. | |
| 1198. |
The medulla oblongata is found on the |
| A. | top of spinal cord |
| B. | top of brain |
| C. | behind the thalamus |
| D. | behind the hypothalamus |
| Answer» B. top of brain | |
| 1199. |
Digestive enzymes are secreted by |
| A. | ducted gland |
| B. | ductless gland |
| C. | islets of Langerhans |
| D. | none of above |
| Answer» B. ductless gland | |
| 1200. |
The 1st portion of the renal tubule is |
| A. | distal convoluted |
| B. | proximal convoluted |
| C. | papillary duct |
| D. | collecting duct |
| Answer» C. papillary duct | |