MCQOPTIONS
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MCQOPTIONS
This section includes 184 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
Active uptake of sodium is promoted by action of enzyme called |
| A. | antidiuretic |
| B. | diuretic |
| C. | aldosterone |
| D. | adrenatrone |
| Answer» D. adrenatrone | |
| 152. |
Components of internal environment are |
| A. | water |
| B. | solutes |
| C. | temperature |
| D. | All of the Above |
| Answer» E. | |
| 153. |
Animals which generate heat on their own during metabolism are |
| A. | ectoderms |
| B. | exotherms |
| C. | endotherms |
| D. | selfectotherms |
| Answer» D. selfectotherms | |
| 154. |
In animals, with structural adaptations, have sweat glands and lungs for |
| A. | excretion |
| B. | respiration |
| C. | panting |
| D. | loss of water |
| Answer» D. loss of water | |
| 155. |
Walls of glomerulus is |
| A. | permeable |
| B. | porous |
| C. | semi permeable |
| D. | close |
| Answer» C. semi permeable | |
| 156. |
Conversion of stones into sand or minute pieces after shock wave treatment are passed out in |
| A. | sweat |
| B. | urine |
| C. | secretions |
| D. | lacerations |
| Answer» C. secretions | |
| 157. |
Less amount of nitrogen is present in |
| A. | creatinine |
| B. | creatine |
| C. | trimethylamine oxide |
| D. | All of the Above |
| Answer» E. | |
| 158. |
Total number of vertebrae in a vertebral column is |
| A. | 33 |
| B. | 23 |
| C. | 32 |
| D. | 30 |
| Answer» B. 23 | |
| 159. |
Condition in which palatine processes of maxilla and palatine fail to fuse and leads to interferences while inhaling food and ultimately causing aspiration pneumonia is |
| A. | Microcephaly |
| B. | Arthritis |
| C. | Cleft palate |
| D. | Osteoarthritis |
| Answer» D. Osteoarthritis | |
| 160. |
Number of facial bones are |
| A. | 12 |
| B. | 14 |
| C. | 16 |
| D. | 8 |
| Answer» C. 16 | |
| 161. |
Soft callus grow in hematoma to clear up |
| A. | debris |
| B. | vitamin-D |
| C. | cartilage |
| D. | fracture |
| Answer» B. vitamin-D | |
| 162. |
Non-surgical removal of kidney stones is technique called |
| A. | Lithotripsy |
| B. | Dialysis |
| C. | shock waves |
| D. | All of the Above |
| Answer» B. Dialysis | |
| 163. |
Evaporating cooling in physiological adapted animals is done by activation of |
| A. | lymphatic system |
| B. | sweat glands |
| C. | respiration |
| D. | excretion |
| Answer» C. respiration | |
| 164. |
Old xylem when not being used to transport deposite strange chemicals which take place in |
| A. | conifers |
| B. | ebony |
| C. | oak |
| D. | Both a and b |
| Answer» C. oak | |
| 165. |
Ammonia is converted into less toxic product in restricted supply of water which is |
| A. | urea |
| B. | ammonia |
| C. | uric acid |
| D. | urine |
| Answer» B. ammonia | |
| 166. |
Nitrogenous wastes are in form of |
| A. | uric acid |
| B. | ammonia |
| C. | urea |
| D. | All of the Above |
| Answer» E. | |
| 167. |
Animals which absorbs heat from surrounding are called as |
| A. | endotherms |
| B. | ectotherms |
| C. | heterotherms |
| D. | hypotherms |
| Answer» D. hypotherms | |
| 168. |
Metabolites of nitrogenous nature is eliminated from body by process |
| A. | absorption |
| B. | reabsorption |
| C. | excretion |
| D. | transpiration |
| Answer» D. transpiration | |
| 169. |
Gradual osmotic flow from filtrate back into kidney as it moves down in loop of henel is via mechanism of |
| A. | counter current multiplier |
| B. | current multiplier |
| C. | counter multiplier |
| D. | current counter multiplier |
| Answer» B. current multiplier | |
| 170. |
In cockroach, rectum reabsorbs maximum salts and water hence excretory products are in form of |
| A. | urea |
| B. | uric acid |
| C. | ammonia |
| D. | urine |
| Answer» C. ammonia | |
| 171. |
Hypertonic environment results in loss of water and ultimately cell |
| A. | die |
| B. | wilt |
| C. | shrink |
| D. | turgid |
| Answer» D. turgid | |
| 172. |
Layer of connective tissue which surrounds synovial joints is called as |
| A. | ligament |
| B. | fibrous capsule |
| C. | synovial capsule |
| D. | tendon |
| Answer» C. synovial capsule | |
| 173. |
Increase muscles contraction along with increase rate of heat production is called |
| A. | shivering thermogenesis |
| B. | non-shivering thermogenesis |
| C. | overlapping hypogenesis |
| D. | underweighed osmogenesis |
| Answer» B. non-shivering thermogenesis | |
| 174. |
Osmoregulators excrete salts through |
| A. | fins |
| B. | gills |
| C. | bladder |
| D. | scales |
| Answer» C. bladder | |
| 175. |
Animal which uses saliva and urine for cooling is |
| A. | lizard |
| B. | cats |
| C. | bears |
| D. | bats |
| Answer» E. | |
| 176. |
Elevated levels of nitrogenous wastes can lead to |
| A. | convulsions |
| B. | coma |
| C. | death |
| D. | All of the Above |
| Answer» E. | |
| 177. |
Gardener find Autumn fallen leaves due to presence of good |
| A. | minerals |
| B. | chlorophyll |
| C. | salts |
| D. | sugars |
| Answer» B. chlorophyll | |
| 178. |
Urea cycle needs two molecules of ammonia and one molecule of carbon dioxide to generate one molecule of |
| A. | uric acid |
| B. | urea |
| C. | ammonia |
| D. | urine |
| Answer» C. ammonia | |
| 179. |
Animals have basic instinct to control heat gain by adjusting their |
| A. | thermostat |
| B. | posture |
| C. | temperature |
| D. | respiration |
| Answer» C. temperature | |
| 180. |
Freezing temperatures form ice crystals within protoplasm, perforates membranes and organelles, eventually cell is |
| A. | regenerated |
| B. | killed |
| C. | phagocytosed |
| D. | plasmolysed |
| Answer» C. phagocytosed | |
| 181. |
Tubular system opens to exterior through several |
| A. | nephridiophore |
| B. | nephrostome |
| C. | protonephridium |
| D. | protophrostome |
| Answer» B. nephrostome | |
| 182. |
Inner semi fluid of invertebral disc is |
| A. | nucleus pulposus |
| B. | annulus fibrosus |
| C. | ileum fibrosus |
| D. | cytoplasmic polposus |
| Answer» B. annulus fibrosus | |
| 183. |
There is a thick layer of insulating fat in whales and seals which protects them from colder water, this layer is known as |
| A. | brown fat |
| B. | cuticle |
| C. | blubber |
| D. | integument |
| Answer» D. integument | |
| 184. |
Joints which are held together by fibers of connective tissue are called |
| A. | fibrous joints |
| B. | synovial joints |
| C. | hinge joints |
| D. | ball and socket joints |
| Answer» B. synovial joints | |