MCQOPTIONS
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MCQOPTIONS
This section includes 903 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
Obesity is a case of |
| A. | over-nutrition |
| B. | under-nutrition |
| C. | starvation |
| D. | under eating |
| Answer» B. under-nutrition | |
| 152. |
Example of green biotechnology is |
| A. | Industrial antibiotics |
| B. | Industrial chemicals |
| C. | Industrial catalysts |
| D. | BT corn and pesticides |
| Answer» E. | |
| 153. |
Active transport depend on |
| A. | photosynthesis |
| B. | respiration |
| C. | translocation |
| D. | transpiration |
| Answer» C. translocation | |
| 154. |
If plants absorb carbon dioxide (CO₂) in water (H₂O), the water becomes |
| A. | alkaline |
| B. | acidic |
| C. | neutral |
| D. | salty |
| Answer» B. acidic | |
| 155. |
Softening of bones results in |
| A. | kwashiorkor |
| B. | Rickets |
| C. | Osteomalacia |
| D. | Arthritis |
| Answer» D. Arthritis | |
| 156. |
Biology is the study of |
| A. | nature |
| B. | universe |
| C. | science |
| D. | life |
| Answer» E. | |
| 157. |
Profuse growth of bacteria results in |
| A. | death of algae |
| B. | death of aquatic plants |
| C. | death of fish |
| D. | lesser nutrients in water |
| Answer» D. lesser nutrients in water | |
| 158. |
One of the greatest themes of biology is |
| A. | aesthetics |
| B. | evolution |
| C. | soil texture |
| D. | fish aquariums |
| Answer» C. soil texture | |
| 159. |
In order to recover the fatigue, the lactic acid is |
| A. | taken to muscles |
| B. | taken away from muscles |
| C. | converted to galactose |
| D. | converted to glucose |
| Answer» E. | |
| 160. |
The highly branched structure of glucose units results in |
| A. | starch |
| B. | glycogen |
| C. | cellulose |
| D. | galactose |
| Answer» C. cellulose | |
| 161. |
Which is true about Nicotine (C₁₀H₁₄N₂) |
| A. | a carcinogenic substance |
| B. | makes blood clot easily |
| C. | makes blood dilute |
| D. | helps in lumen becoming narrower |
| Answer» C. makes blood dilute | |
| 162. |
Artery leaving from the left ventricle of the heart is |
| A. | pulmonary artery |
| B. | aortic arch |
| C. | inferior vena cava |
| D. | posterior vena cava |
| Answer» C. inferior vena cava | |
| 163. |
Risks of skin cancer is increased if |
| A. | more sun bathing is done |
| B. | the chlorofluorocarbons are lowered |
| C. | the greenhouse effect is lowered |
| D. | more ultraviolet light penetrates the Earth |
| Answer» E. | |
| 164. |
An uncontrolled abnormal division of cells is called as |
| A. | substance abuse |
| B. | growth |
| C. | maturation |
| D. | cancer |
| Answer» E. | |
| 165. |
Prolonged alcohol (CₙH₂ₙ₊₁OH) consumption results in |
| A. | overcoming fatigue |
| B. | causing loss of appetite |
| C. | cirrhosis |
| D. | gastric ulcers |
| Answer» D. gastric ulcers | |
| 166. |
Biology enables us to carry out comparative study between |
| A. | Humans and animals |
| B. | Humans and universe |
| C. | Humans and minerals |
| D. | Living things and non-living things |
| Answer» E. | |
| 167. |
Formation do antibodies is stimulated by |
| A. | antigens |
| B. | antibodies |
| C. | phacytosis |
| D. | foreign invasion |
| Answer» B. antibodies | |
| 168. |
Impulses which trigger heart beat are maintained by |
| A. | systole |
| B. | diastole |
| C. | pace maker |
| D. | stunts |
| Answer» D. stunts | |
| 169. |
Glucose (C₆H₁₂O₆) and fructose (C₆H₁₂O₆) can be obtained if sucrose (C₁₂H₂₂O₁₁) is heated in the presence of |
| A. | dilute hydrogen sulphide |
| B. | dilute hydrogen peroxide |
| C. | dilute hydrochloric acid |
| D. | dilute sulphuric acid |
| Answer» D. dilute sulphuric acid | |
| 170. |
Organisms capable to convert radiant energy in chemical energy are |
| A. | plants |
| B. | animals |
| C. | Microbes |
| D. | bacterias |
| Answer» B. animals | |
| 171. |
Rapid growth of bacteria may |
| A. | consume all the oxygen in water |
| B. | start living anaerobically |
| C. | kill the fish due to oxygen shortage in water |
| D. | all of above |
| Answer» E. | |
| 172. |
In plants the term hydrophonics refers to growing |
| A. | plants without soil |
| B. | plants in air |
| C. | plants in soil |
| D. | plants in water |
| Answer» B. plants in air | |
| 173. |
Leucocytes travel to site of invasion and protect body against |
| A. | foreign invaders |
| B. | invaders |
| C. | food particles |
| D. | antibodies |
| Answer» B. invaders | |
| 174. |
In addition to palisade tissues, chloroplast is also found in |
| A. | cuticle cells |
| B. | stoma |
| C. | spongy tissues |
| D. | stomata |
| Answer» D. stomata | |
| 175. |
Prolonged high blood pressure weaken heart muscles by damaging lining of |
| A. | blood vessels |
| B. | heart attack |
| C. | lungs |
| D. | liver |
| Answer» B. heart attack | |
| 176. |
An average daily intake of carbohydrates (CₙH₂ₘOₘ) shall be |
| A. | 0.1 |
| B. | 0.15 |
| C. | 0.25 |
| D. | 0.6 |
| Answer» E. | |
| 177. |
In Malaysia and Singapore, the average daily energy requirements of women compared to men is |
| A. | more for men and lesser for women |
| B. | more for women and lesser for men |
| C. | alike for both |
| D. | cannot be estimated |
| Answer» B. more for women and lesser for men | |
| 178. |
Appendix and caecum are characteristic features of |
| A. | omnivores |
| B. | herbivores |
| C. | carnivores |
| D. | producers |
| Answer» C. carnivores | |
| 179. |
Severe and fatal diseases are called |
| A. | malignant |
| B. | benign |
| C. | tertian malaria |
| D. | typhoid |
| Answer» B. benign | |
| 180. |
In any ecosystem, the ultimate source of energy is |
| A. | plants as primary consumers |
| B. | sun as radiant energy |
| C. | secondary consumer |
| D. | heterotroph |
| Answer» C. secondary consumer | |
| 181. |
Fish can come to the surface of the water for air-breathing in waters of |
| A. | low oxygen concentration |
| B. | high oxygen concentration |
| C. | low hydrogen concentration |
| D. | high hydrogen concentration |
| Answer» B. high oxygen concentration | |
| 182. |
Prevention of heat loss is more efficient in |
| A. | women |
| B. | men |
| C. | children |
| D. | people doing very heavy work |
| Answer» B. men | |
| 183. |
Transport of organic sloutes is attained by help of |
| A. | xylem |
| B. | phloem |
| C. | stem |
| D. | roots |
| Answer» C. stem | |
| 184. |
All are types of polysaccharides, but |
| A. | starch |
| B. | glucose |
| C. | galactose |
| D. | cellulose |
| Answer» D. cellulose | |
| 185. |
Fusarium is made through a culture medium of |
| A. | lactose |
| B. | glucose |
| C. | galactose |
| D. | maltose |
| Answer» C. galactose | |
| 186. |
Enzyme to bring about conversion of glycogen (C₆H₁₀O₅)n to glucose (C₆H₁₂O₆) is |
| A. | insulin |
| B. | adrenaline |
| C. | glucagon |
| D. | galactose |
| Answer» D. galactose | |
| 187. |
Elements of carbon (C), hydrogen (H₂) and oxygen (O₂) are present in |
| A. | minerals |
| B. | carbohydrates |
| C. | vitamins |
| D. | proteins |
| Answer» C. vitamins | |
| 188. |
Which one is true about fats? |
| A. | an insulating material |
| B. | a constituent of protoplasm |
| C. | a substance that restricts water loss |
| D. | all of above |
| Answer» E. | |
| 189. |
When comparing anaerobic (without O₂) and aerobic (with O₂) respiration, the amount of energy yield |
| A. | is same |
| B. | less in aerobic respiration |
| C. | less in anaerobic respiration |
| D. | may have more or less energy depending on the conditions |
| Answer» D. may have more or less energy depending on the conditions | |
| 190. |
Heart has to work harder to pump blood round the body in an |
| A. | embryo |
| B. | infant |
| C. | obese person |
| D. | athlete |
| Answer» D. athlete | |
| 191. |
Cellulose (C₆H₁₀O₅)n is a form of |
| A. | monosaccharide |
| B. | disaccharides |
| C. | polymerization |
| D. | Polysaccharides |
| Answer» E. | |
| 192. |
To donate blood a person shall weigh a minimum of |
| A. | 35 kg |
| B. | 45 kg |
| C. | 55 kg |
| D. | 65 kg |
| Answer» C. 55 kg | |
| 193. |
Water potential is maximum achieved when cell is placed in |
| A. | soil |
| B. | oxygen |
| C. | pure water |
| D. | alcohol |
| Answer» D. alcohol | |
| 194. |
Cilia lining the air passage is paralyzed due to |
| A. | Tar only |
| B. | Irritants only |
| C. | Nicotine |
| D. | Tar and Irritants |
| Answer» E. | |
| 195. |
In order to float, water weeds have |
| A. | poorly developed vascular bundles |
| B. | poorly developed supporting tissues |
| C. | air spaces to help plant float |
| D. | small base area |
| Answer» D. small base area | |
| 196. |
Sunflower is an example of |
| A. | woody plants |
| B. | herbaceous plants |
| C. | perennials |
| D. | biennials |
| Answer» C. perennials | |
| 197. |
Galactose (C₆H₁₂O₆) is a components of |
| A. | glucose |
| B. | lactose |
| C. | sucrose |
| D. | fructose |
| Answer» C. sucrose | |
| 198. |
Water transpiration is done 90% by process of |
| A. | cuticular transpiration |
| B. | lenticular transpiration |
| C. | stomatal transpiration |
| D. | sweating |
| Answer» D. sweating | |
| 199. |
Serum which contains antibodies is called |
| A. | antigens |
| B. | antiserum |
| C. | antibodies |
| D. | globulin |
| Answer» C. antibodies | |
| 200. |
More carbon dioxide (CO₂) can be removed from the body if |
| A. | more water is removed from the body |
| B. | animal has a thick skin |
| C. | thinly lined lungs or gills are present |
| D. | more water is present |
| Answer» D. more water is present | |