MCQOPTIONS
Saved Bookmarks
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.
| 51. |
Lactose (C₁₂H₂₂O₁₁) can be hydrolyzed producing |
| A. | glucose only |
| B. | galactose only |
| C. | fructose |
| D. | glucose and galactose |
| Answer» E. | |
| 52. |
Antibodies which are present in lymphocytes are synthesized by vertebrates in response to antigens are |
| A. | globulins |
| B. | immunoglobulin's |
| C. | immune cells |
| D. | antigens |
| Answer» C. immune cells | |
| 53. |
Electrical impulses are sent to atrial muscles to contract both |
| A. | ventricles |
| B. | auricles |
| C. | atria |
| D. | arteries |
| Answer» D. arteries | |
| 54. |
Carbon (C) requirements are met through organic compounds in |
| A. | autotrophic nutrition |
| B. | photoautotrophic nutrition |
| C. | chemoautotrophs |
| D. | heterotrophic nutrition |
| Answer» E. | |
| 55. |
Blue black color is produced when substance containing starch is mixed with |
| A. | Biuret solution |
| B. | benedict solution |
| C. | iodine |
| D. | alcohol |
| Answer» D. alcohol | |
| 56. |
Areas which act as storage and are active metabolism sites, include |
| A. | bark |
| B. | roots |
| C. | sink |
| D. | sieve |
| Answer» D. sieve | |
| 57. |
In mammals ,Glottis is a |
| A. | gut |
| B. | tube |
| C. | cavity |
| D. | slit-like opening |
| Answer» E. | |
| 58. |
Examples of depressant drugs include |
| A. | marijuana |
| B. | cocaine |
| C. | barbiturates |
| D. | morphine |
| Answer» D. morphine | |
| 59. |
What is true about fasting |
| A. | supply of glucose is kept adequate |
| B. | fats are not oxidized |
| C. | fats are stored around heart and kidneys |
| D. | fats are oxidized |
| Answer» E. | |
| 60. |
Left and right subclavian veins get lymph through |
| A. | capillaries |
| B. | endothelium |
| C. | lumen |
| D. | lymphatics |
| Answer» E. | |
| 61. |
Busra of Fabricius is found in wall of cloacae opening of young bird which proved role of it in |
| A. | excretory system |
| B. | immune system |
| C. | digestive system |
| D. | oral cavity |
| Answer» C. digestive system | |
| 62. |
In case of tissue transplant, effect by which antigens reject foreign tissues is called |
| A. | auto-response |
| B. | cell-mediated response |
| C. | tissue-oriented response |
| D. | manual response |
| Answer» C. tissue-oriented response | |
| 63. |
Before excretion, the urine is stored in |
| A. | urinary bladder |
| B. | medulla |
| C. | nephrons |
| D. | renal pelvis |
| Answer» B. medulla | |
| 64. |
Color of oxyhemoglobin compound is |
| A. | bright red |
| B. | purplish red |
| C. | pinkish red |
| D. | dark red |
| Answer» B. purplish red | |
| 65. |
Unequal food distribution results in |
| A. | malnutrition |
| B. | starvation |
| C. | over eating |
| D. | all of above |
| Answer» E. | |
| 66. |
Most of the co-enzymes are |
| A. | protein based |
| B. | water based |
| C. | easily denatured |
| D. | non-protein based |
| Answer» E. | |
| 67. |
Two or more food chains may be interlinked through |
| A. | food web |
| B. | food cycle |
| C. | carbon cycle |
| D. | nitrogen cycle |
| Answer» B. food cycle | |
| 68. |
Sulfur (S₈) and phosphorus (P₄) are often present in |
| A. | proteins |
| B. | fats |
| C. | carbohydrates |
| D. | glucose |
| Answer» B. fats | |
| 69. |
In respiration ultimate source of energy is |
| A. | radiant energy |
| B. | chemical energy |
| C. | organic energy |
| D. | potential energy |
| Answer» B. chemical energy | |
| 70. |
Reaction between sulfur dioxide and oxygen results in |
| A. | sulfuric acid only |
| B. | acid rain only |
| C. | alkali rain |
| D. | sulfuric acid and acid rain |
| Answer» E. | |
| 71. |
Fish rich in fat include |
| A. | herring-like fish |
| B. | sharks |
| C. | trout |
| D. | dolphins |
| Answer» B. sharks | |
| 72. |
Excess mucus is produced causing smokers cough due to |
| A. | nicotine |
| B. | tar |
| C. | Irritants |
| D. | morphine |
| Answer» D. morphine | |
| 73. |
Peptone means the bond between |
| A. | 2 or more amino acids |
| B. | 3 or more amino acids |
| C. | 4 or more amino acids |
| D. | 5 or more amino acids |
| Answer» C. 4 or more amino acids | |
| 74. |
Acidic waste products can be made less harmful if treated with |
| A. | water |
| B. | alkalis |
| C. | base |
| D. | sulphuric acid |
| Answer» C. base | |
| 75. |
Malpighian capsule refers to the |
| A. | renal capsule only |
| B. | mass of blood capillaries only |
| C. | mass of veins |
| D. | renal capsule and mass of blood capillaries |
| Answer» E. | |
| 76. |
Red blood is formed at |
| A. | sternum |
| B. | ribs |
| C. | vertebrae |
| D. | All of Above |
| Answer» E. | |
| 77. |
Deforestation is caused due to |
| A. | grazing |
| B. | timber |
| C. | Cultivation |
| D. | all of above |
| Answer» E. | |
| 78. |
Example of red biotechnology is |
| A. | antibiotics |
| B. | pesticides |
| C. | industrial catalysts |
| D. | Bt corn |
| Answer» B. pesticides | |
| 79. |
An overactive thyroid gland may |
| A. | slow the metabolic rate |
| B. | expedite the metabolic rate |
| C. | may denature the metabolic enzymes |
| D. | may increase the pH from 7 to 9 approx. |
| Answer» C. may denature the metabolic enzymes | |
| 80. |
No blood cells ever leak from capillaries through intercellular spaces except some of the |
| A. | RBC |
| B. | WBC |
| C. | platelets |
| D. | nutrients |
| Answer» C. platelets | |
| 81. |
Hydrogen sulfide (H₂S) and ammonia (NH₃) are produced from |
| A. | the chimneys of factories |
| B. | use of chlorofluorocarbon in foam packaging |
| C. | decomposition of organic compounds by anaerobic bacteria |
| D. | treatment of acidic wastes with alkalis |
| Answer» D. treatment of acidic wastes with alkalis | |
| 82. |
Animals living in sea water tend to loose water through |
| A. | osmosis |
| B. | active transport |
| C. | gills |
| D. | diffusion |
| Answer» B. active transport | |
| 83. |
Mouth and gut refers to organs of |
| A. | food digestion |
| B. | respiration |
| C. | eating food |
| D. | excretion |
| Answer» D. excretion | |
| 84. |
Example of aeration device includes |
| A. | sparger |
| B. | impeller |
| C. | cooling jacket |
| D. | internal coils |
| Answer» B. impeller | |
| 85. |
If iodine is applied to glycogen-rich food, the resulting color will be |
| A. | violet |
| B. | blue-black |
| C. | red |
| D. | brown |
| Answer» E. | |
| 86. |
Process by which organisms remove metabolic wastes is known as |
| A. | digestion |
| B. | respiration |
| C. | excretion |
| D. | nutrition |
| Answer» D. nutrition | |
| 87. |
Fishes heart work only in one direction thus called |
| A. | unit circuit |
| B. | single heart circuit |
| C. | round circuit |
| D. | open circuit |
| Answer» C. round circuit | |
| 88. |
Number of bronchial tubes, left bronchus gets divided into are |
| A. | two |
| B. | three |
| C. | depends on age of organism |
| D. | varies in man |
| Answer» B. three | |
| 89. |
Insomnia and epilepsy can be treated through |
| A. | marijuana |
| B. | cocaine |
| C. | marijuana |
| D. | cocaine |
| Answer» E. | |
| 90. |
Four layers of gullet include |
| A. | serous coat |
| B. | sub mucous coat |
| C. | mucous layer |
| D. | all of above |
| Answer» E. | |
| 91. |
Drift nets capture fish |
| A. | discriminately |
| B. | indiscriminately |
| C. | in both ways |
| D. | drift nets don't capture fish |
| Answer» C. in both ways | |
| 92. |
Stimulant drugs are not used to treat |
| A. | depression |
| B. | fatigue |
| C. | insomnia |
| D. | induce sleep |
| Answer» D. induce sleep | |
| 93. |
Enzyme 'Enterokinase' is found in |
| A. | saliva |
| B. | gastric Juice |
| C. | pancreatic Juice |
| D. | intestinal juice |
| Answer» E. | |
| 94. |
In human adult, the kidney receives how many Liters of blood per minute to filter? |
| A. | 0.8 Liter |
| B. | 1.2 Liters |
| C. | 3.2 Liters |
| D. | 5 Liters |
| Answer» C. 3.2 Liters | |
| 95. |
Caseinogen is a form of |
| A. | soluble milk proteins |
| B. | insoluble milk proteins |
| C. | cellulose |
| D. | proteins |
| Answer» B. insoluble milk proteins | |
| 96. |
Non-toxic, unreactive chemicals used as cooling agents in refrigerators are known as |
| A. | chloroflouro bicarbonates |
| B. | chloroflourocarbides |
| C. | chloroflourocarbonates |
| D. | chlorofluorocarbon |
| Answer» E. | |
| 97. |
During oxygen (O₂) debt, the lactic acid (C₃H₆O₃) is removed from |
| A. | liver |
| B. | muscles |
| C. | lungs |
| D. | mucus |
| Answer» C. lungs | |
| 98. |
Phenomenon of root pressure in which water droplets exude from hydathodes is termed as |
| A. | guttation |
| B. | exudation |
| C. | inudation |
| D. | Both a and b |
| Answer» E. | |
| 99. |
Free animal like movement from place to place is exhibited by |
| A. | Paramecium |
| B. | Euglena |
| C. | Amoeba |
| D. | Bacteria |
| Answer» C. Amoeba | |
| 100. |
In the hypothalamus, heat loss center is activated if the |
| A. | day is cold |
| B. | day is sunny |
| C. | vasoconstriction is followed |
| D. | rate of metabolism is reduced |
| Answer» C. vasoconstriction is followed | |