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.
| 101. |
Bread and cereal group is rich in |
| A. | minerals |
| B. | carbohydrates |
| C. | fats |
| D. | vitamins |
| Answer» C. fats | |
| 102. |
Enzymes vital for aerobic respiration (with O₂) are found in |
| A. | platelets |
| B. | centriole |
| C. | nucleus |
| D. | mitochondria |
| Answer» E. | |
| 103. |
Blood flows out of kidneys through |
| A. | nowhere |
| B. | renal vein |
| C. | renal artery |
| D. | renal pelvis |
| Answer» C. renal artery | |
| 104. |
In digestive process, Chyle is |
| A. | partly digested liquefied food |
| B. | fats mixed with lymph to form a milky fluid |
| C. | small, slippery masses of food |
| D. | undigested food that enters the stomach |
| Answer» C. small, slippery masses of food | |
| 105. |
Intestinal juices contain all but |
| A. | maltase |
| B. | lipase |
| C. | lactase |
| D. | sucrose |
| Answer» C. lactase | |
| 106. |
Example of white biotechnology is |
| A. | Bt-Corn |
| B. | use of enzymes in industry |
| C. | use of pesticides |
| D. | use of antibiotics |
| Answer» C. use of pesticides | |
| 107. |
Common fat to cause heart attack is |
| A. | unsaturated fats |
| B. | cholesterol |
| C. | monounsaturated fat |
| D. | bisaturated fat |
| Answer» C. monounsaturated fat | |
| 108. |
Amount of blood flow in capillaries is regulated by help of pre capillary |
| A. | valves |
| B. | apertures |
| C. | sphincters |
| D. | semi lunar valves |
| Answer» D. semi lunar valves | |
| 109. |
Process of using natural bacteria in mining industry is known as |
| A. | biodegradation |
| B. | bio genomics |
| C. | bioremediation |
| D. | bioleaching |
| Answer» E. | |
| 110. |
Thymus gland makes T-cells |
| A. | weak |
| B. | strong |
| C. | competent |
| D. | slow |
| Answer» D. slow | |
| 111. |
Trophic level refers to the |
| A. | axis around the earth |
| B. | stage in an ecological niche |
| C. | stage in a food chain |
| D. | energy level in a food web |
| Answer» D. energy level in a food web | |
| 112. |
Too much caffeine can damage the |
| A. | heart only |
| B. | kidneys only |
| C. | pancreas |
| D. | heart and kidneys |
| Answer» E. | |
| 113. |
The word BOD refers to the |
| A. | Bidding of Dermatology |
| B. | Binding of Dirt |
| C. | Biochemical occupied Date |
| D. | Biochemical Oxygen demand |
| Answer» E. | |
| 114. |
The pH of succus entericus is |
| A. | below 7 |
| B. | neutral |
| C. | above 7 |
| D. | depending upon the type of food to be digested |
| Answer» D. depending upon the type of food to be digested | |
| 115. |
Morphine is a type of |
| A. | cannabis |
| B. | amphetamines |
| C. | narcotic drugs |
| D. | depressant drugs |
| Answer» D. depressant drugs | |
| 116. |
In strong day light, fresh water (H₂) is |
| A. | more alkaline |
| B. | more acidic |
| C. | neutral |
| D. | salty |
| Answer» B. more acidic | |
| 117. |
Front of the ribs are attached to the |
| A. | diaphragm |
| B. | sternum |
| C. | external intercostal muscles |
| D. | internal intercostal muscles |
| Answer» C. external intercostal muscles | |
| 118. |
Polypeptides are converted into amino acids through |
| A. | pepsin |
| B. | trypsin |
| C. | erepsin |
| D. | rennin |
| Answer» D. rennin | |
| 119. |
System of classification was invented in |
| A. | 1509 |
| B. | 1859 |
| C. | 1753 |
| D. | 1903 |
| Answer» D. 1903 | |
| 120. |
Smoking is no longer regarded as |
| A. | unsafe |
| B. | prohibited |
| C. | socially accepted |
| D. | socially unaccepted |
| Answer» D. socially unaccepted | |
| 121. |
Bacterial diseases are treated with drug containing |
| A. | erythromycin |
| B. | aspirin |
| C. | paludrine |
| D. | morphine |
| Answer» B. aspirin | |
| 122. |
Galactose (C₆H₁₂O₆) and lactose (C₁₂H₂₂O₁₁) are commonly found in |
| A. | animals other than mammals |
| B. | mammals |
| C. | microscopic organisms |
| D. | plants |
| Answer» C. microscopic organisms | |
| 123. |
Abiotic environment does not concern |
| A. | living things |
| B. | light |
| C. | water |
| D. | oxygen |
| Answer» B. light | |
| 124. |
In plants after fertilization, ovule develops into a |
| A. | fruit |
| B. | seed |
| C. | ovule |
| D. | funicle |
| Answer» C. ovule | |
| 125. |
With drawl symptoms from a narcotic drug includes |
| A. | hallucinations |
| B. | insomnia |
| C. | excess hunger |
| D. | sweating |
| Answer» B. insomnia | |
| 126. |
Left and right systemic arches in reptiles, deoxygenated blood is carried from |
| A. | inferior venacava |
| B. | superior venacava |
| C. | cavum venosum |
| D. | conus arteriosus |
| Answer» D. conus arteriosus | |
| 127. |
If heat radiated from the Earths surface is retained, the outcome will be |
| A. | formation of smog |
| B. | green house effect |
| C. | van der Walls forces of attraction among smoke particles |
| D. | all of above |
| Answer» C. van der Walls forces of attraction among smoke particles | |
| 128. |
Starch (C₆H₁₀O₅)n is digested to form maltose (C₁₂H₂₂O₁₁) through enzyme |
| A. | maltase |
| B. | amylase |
| C. | diastase |
| D. | sucrose |
| Answer» D. sucrose | |
| 129. |
All veins in body carry deoxygenated blood except |
| A. | aorta |
| B. | inferior venacava |
| C. | superior venacava |
| D. | pulmonary vein |
| Answer» E. | |
| 130. |
Flood may be an outcome if |
| A. | trees do not retain water |
| B. | eroded soil gets deposited in rivers and streams |
| C. | water levels rise rapidly in rivers |
| D. | all of above |
| Answer» E. | |
| 131. |
Tristearin can be hydrolyzed to form |
| A. | stearic acid only |
| B. | glycerol only |
| C. | glycogen |
| D. | stearic acid and glycerol |
| Answer» E. | |
| 132. |
Human body gets rid of carbon dioxide through |
| A. | urea |
| B. | uric acid |
| C. | expelled in respiration |
| D. | stored in lungs |
| Answer» D. stored in lungs | |
| 133. |
External Nares are connected to internal Nares through |
| A. | larynx |
| B. | mucus |
| C. | pharynx |
| D. | nasal passage |
| Answer» E. | |
| 134. |
Branches of lymph capillaries inside villi of intestine are termed as |
| A. | lymph nodes |
| B. | thoracic duct |
| C. | thoracic lymph duct |
| D. | lacteals |
| Answer» E. | |
| 135. |
Slimy scaly skin helps in |
| A. | glide swiftly in water |
| B. | respire |
| C. | osmosis |
| D. | reduce rate of water loss |
| Answer» E. | |
| 136. |
Vein which collects blood from liver is known as |
| A. | renal vein |
| B. | hepatic vein |
| C. | hepatic portal vein |
| D. | iliac vein |
| Answer» D. iliac vein | |
| 137. |
Cigarette smokers become addicted to |
| A. | caffeine |
| B. | nicotine |
| C. | paludrine |
| D. | adenine |
| Answer» C. paludrine | |
| 138. |
One of the simplest carbohydrates is |
| A. | maltose |
| B. | sugar glucose |
| C. | fructose |
| D. | galactose |
| Answer» C. fructose | |
| 139. |
Leukemia can be cured through |
| A. | periwinkle plant |
| B. | pyrethrum |
| C. | chrysanthemum |
| D. | herbicides |
| Answer» B. pyrethrum | |
| 140. |
Constriction and hardening of arteries occur in a condition known as |
| A. | Arteriosclerosis |
| B. | Atherosclerosis |
| C. | Venusclerosis |
| D. | Both a and b |
| Answer» B. Atherosclerosis | |
| 141. |
Feed of macrophages and neutrophils are |
| A. | RBC |
| B. | WBC |
| C. | platelets |
| D. | foreign invaders |
| Answer» E. | |
| 142. |
Yield, vigor and quality of organisms can |
| A. | improved through more tropical rain forests |
| B. | improved through more pesticides |
| C. | offer better resistance to drought |
| D. | disruption of water and carbon cycles |
| Answer» D. disruption of water and carbon cycles | |
| 143. |
Plants surviving for two growing seasons are known as |
| A. | woody plants |
| B. | herbaceous plants |
| C. | annuals |
| D. | biennials |
| Answer» E. | |
| 144. |
Kidneys do not help in |
| A. | osmoregulation |
| B. | maintaining body temperature |
| C. | maintaining composition of blood plasma |
| D. | regulation of blood pH |
| Answer» C. maintaining composition of blood plasma | |
| 145. |
Cohesion tension theory was given by |
| A. | Charles |
| B. | Darwin |
| C. | Kerb |
| D. | Dixon |
| Answer» E. | |
| 146. |
The higher the BOD, the |
| A. | lower the water pollution |
| B. | lesser the bacteria in it |
| C. | more the water pollution |
| D. | the more the air pollution |
| Answer» D. the more the air pollution | |
| 147. |
Major gaseous man-caused pollutant is |
| A. | carbon dioxide |
| B. | carbon monoxide |
| C. | sulphur dioxide |
| D. | nitrogen oxides |
| Answer» D. nitrogen oxides | |
| 148. |
In dough, the starch is digested into sugar through |
| A. | amylase |
| B. | protease |
| C. | maltase |
| D. | lactase |
| Answer» B. protease | |
| 149. |
Over extension of heart is prevented by |
| A. | pericardium |
| B. | peritoneal |
| C. | atria |
| D. | ventricles |
| Answer» B. peritoneal | |
| 150. |
Use of non-fossil fuel in factory may |
| A. | help in lesser air pollution |
| B. | increase pollution due to chimney fumes when fossil fuel is burnt |
| C. | lower the air quality in densely populated areas |
| D. | increase land pollution |
| Answer» B. increase pollution due to chimney fumes when fossil fuel is burnt | |