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This section includes 532 Mcqs, each offering curated multiple-choice questions to sharpen your Grade8 knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
Buried waste contain |
| A. | toxic chemicals |
| B. | bacterial |
| C. | both a and b |
| D. | useful minerals |
| Answer» D. useful minerals | |
| 152. |
Animal which were first hunted for food now being hunted for sport is |
| A. | bison |
| B. | tiger |
| C. | camel |
| D. | leopard |
| Answer» B. tiger | |
| 153. |
The size of heart is about the size of |
| A. | clenched fist |
| B. | palm |
| C. | small finger |
| D. | foot |
| Answer» B. palm | |
| 154. |
The organism which carry out both aerobic and anaerobic respiration is |
| A. | plants |
| B. | cow |
| C. | deer |
| D. | yeast |
| Answer» E. | |
| 155. |
The muscular organ which pushes blood to all parts of body is called |
| A. | heart |
| B. | blood |
| C. | blood vessels |
| D. | liver |
| Answer» B. blood | |
| 156. |
Bronchioles are further sub division of |
| A. | trachea |
| B. | alveoli |
| C. | nostril |
| D. | bronchi |
| Answer» E. | |
| 157. |
The blood vessels which carry blood away from heart to body parts are called |
| A. | arteries |
| B. | veins |
| C. | valves |
| D. | capillaries |
| Answer» B. veins | |
| 158. |
Maximum carbohydrates are obtained from |
| A. | whole grain food |
| B. | fatty fish |
| C. | plant oil |
| D. | nuts |
| Answer» B. fatty fish | |
| 159. |
Starch can be tested in any food by help of |
| A. | iodine solution |
| B. | biuret solution |
| C. | benedicts solution |
| D. | felhings solution |
| Answer» B. biuret solution | |
| 160. |
The complex carbohydrates which make up the cell wall in plants are called |
| A. | lactose |
| B. | maltose |
| C. | cellulose |
| D. | sucrose |
| Answer» D. sucrose | |
| 161. |
The size of intestine of a human is laid in straight line will be length of |
| A. | 1 m |
| B. | 10m |
| C. | 12m |
| D. | 20m |
| Answer» C. 12m | |
| 162. |
The main suppliers for our body are |
| A. | proteins |
| B. | carbohydrates |
| C. | fats |
| D. | all of them |
| Answer» E. | |
| 163. |
Baker's yeast produce gas which helps in rising of dough it is |
| A. | oxygen |
| B. | hydrogen |
| C. | carbon dioxide |
| D. | nitrogen |
| Answer» D. nitrogen | |
| 164. |
Contaminated water may lead to |
| A. | dysentery |
| B. | food poisoning |
| C. | flu |
| D. | common cold |
| Answer» B. food poisoning | |
| 165. |
Mushrooms, yeasts, moulds and toadstools are examples of |
| A. | bacteria |
| B. | virus |
| C. | fungi |
| D. | algae |
| Answer» D. algae | |
| 166. |
Living things which are too small to be seen with a naked eye are called |
| A. | micro-organisms |
| B. | unicellular organisms |
| C. | multicellular organisms |
| D. | complex organisms |
| Answer» B. unicellular organisms | |
| 167. |
Bacteria can exists in shapes which are |
| A. | spherical |
| B. | rod |
| C. | spiral |
| D. | all of them |
| Answer» E. | |
| 168. |
The blood is mixture of |
| A. | red and blood cells |
| B. | plasma |
| C. | platelets |
| D. | all of them |
| Answer» E. | |
| 169. |
The air which we breathe in is called |
| A. | inhaled air |
| B. | exhaled air |
| C. | circulated air |
| D. | deoxygenated air |
| Answer» B. exhaled air | |
| 170. |
The external part of nose through which air enters is called |
| A. | trachea |
| B. | alveoli |
| C. | nostril |
| D. | bronchi |
| Answer» D. bronchi | |
| 171. |
Insects breath through small holes in their body called |
| A. | lungs |
| B. | air sacs |
| C. | stomata |
| D. | spiracles |
| Answer» E. | |
| 172. |
The larger blood vessels which carry blood back to heart are |
| A. | arteries |
| B. | veins |
| C. | valves |
| D. | capillaries |
| Answer» C. valves | |
| 173. |
When sunlight passes through tiny suspended rain drops it produces |
| A. | rainbow |
| B. | white light |
| C. | rain |
| D. | clouds |
| Answer» B. white light | |
| 174. |
Parallel light beam strikes a smooth surface producing parallel |
| A. | image |
| B. | beams |
| C. | rays |
| D. | particles |
| Answer» C. rays | |
| 175. |
The papers which absorb certain colored lights and transmit others are called |
| A. | colored filters |
| B. | colored absorbers |
| C. | absorbers |
| D. | trimesters |
| Answer» B. colored absorbers | |
| 176. |
Light travelling in a straight line strikes another surface and |
| A. | bounces off |
| B. | pass through |
| C. | absorbed |
| D. | adsorbed |
| Answer» B. pass through | |
| 177. |
The image produced by a concave mirror will be |
| A. | virtual |
| B. | upright |
| C. | magnified |
| D. | all of them |
| Answer» E. | |
| 178. |
The protein which is red in color and present in blood is called |
| A. | hemoglobin |
| B. | red cells |
| C. | platelets |
| D. | iron cells |
| Answer» B. red cells | |
| 179. |
The upper small chambers are called as |
| A. | atria |
| B. | ventricle |
| C. | systole |
| D. | diastole |
| Answer» B. ventricle | |
| 180. |
A long wind pipe in which air enters when we breathe is called |
| A. | trachea |
| B. | alveoli |
| C. | nostril |
| D. | bronchi |
| Answer» B. alveoli | |
| 181. |
The number of chambers in a heart is |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 1 |
| Answer» D. 1 | |
| 182. |
The small air sacs which are present at the end are called |
| A. | trachea |
| B. | alveoli |
| C. | nostril |
| D. | bronchi |
| Answer» C. nostril | |
| 183. |
Bacterial diseases includes |
| A. | diphtheria |
| B. | SARS |
| C. | small pox |
| D. | dengue fever |
| Answer» B. SARS | |
| 184. |
Female anopheles mosquito spread |
| A. | Malaria |
| B. | Dengue |
| C. | Polio |
| D. | Rubella |
| Answer» B. Dengue | |
| 185. |
Viruses are not regarded as living things because they cannot |
| A. | survive |
| B. | reproduce |
| C. | attack host cell |
| D. | invade |
| Answer» C. attack host cell | |
| 186. |
Bacteria are |
| A. | non-living |
| B. | unicellular organisms |
| C. | multicellular organisms |
| D. | complex organisms |
| Answer» C. multicellular organisms | |
| 187. |
Polio can lead to |
| A. | paralysis |
| B. | nervous system distracted |
| C. | both a and b |
| D. | eye diseases |
| Answer» D. eye diseases | |
| 188. |
The de-oxygenated blood from parts of body is received by |
| A. | right side |
| B. | left side |
| C. | atrium |
| D. | ventricle |
| Answer» B. left side | |
| 189. |
The smaller sub divisions of arteries in many tiny blood vessels are called |
| A. | plasma |
| B. | veins |
| C. | valves |
| D. | capillaries |
| Answer» E. | |
| 190. |
A pale yellow liquid in which blood cells n platelets are suspended is |
| A. | plasma |
| B. | fluid |
| C. | cytoplasm |
| D. | liquid |
| Answer» B. fluid | |
| 191. |
There is surrounding of rich capillaries around |
| A. | trachea |
| B. | alveoli |
| C. | nostril |
| D. | bronchi |
| Answer» C. nostril | |
| 192. |
Ventricles are chambers of heart which are |
| A. | upper |
| B. | lower |
| C. | middle |
| D. | valves |
| Answer» C. middle | |
| 193. |
Concrete roads on hot days do |
| A. | expand |
| B. | contracts |
| C. | both a and b |
| D. | break |
| Answer» B. contracts | |
| 194. |
Train if moved on bent tracks may be |
| A. | derailed |
| B. | faster |
| C. | slow down |
| D. | accelerated |
| Answer» B. faster | |
| 195. |
Reducing unnecessary heat loss or gain helps to |
| A. | conserve energy |
| B. | gain energy |
| C. | lose energy |
| D. | stabilize energy |
| Answer» B. gain energy | |
| 196. |
The hotter will be object the more will be heat |
| A. | conduction |
| B. | convection |
| C. | radiation |
| D. | convection currents |
| Answer» D. convection currents | |
| 197. |
The disease which is accompanied by stunted growth and softening of bones is called |
| A. | scurvy |
| B. | rickets |
| C. | kwashiorkor |
| D. | night blindness |
| Answer» C. kwashiorkor | |
| 198. |
The first part of small intestine is called |
| A. | duodenum |
| B. | ileum |
| C. | ischium |
| D. | rectum |
| Answer» B. ileum | |
| 199. |
The swelling in thyroid gland in neck happens in disease |
| A. | goiter |
| B. | anemia |
| C. | rickets |
| D. | nerve degeneration |
| Answer» B. anemia | |
| 200. |
The part of large intestine which temporarily stores waste material and excretes in the form of feces is called |
| A. | rectum |
| B. | ileum |
| C. | duodenum |
| D. | villi |
| Answer» B. ileum | |