MCQOPTIONS
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MCQOPTIONS
This section includes 125 Mcqs, each offering curated multiple-choice questions to sharpen your O Level Physics knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The left and right subclavian veins get lymph through |
| A. | endothelium |
| B. | capillaries |
| C. | lymphatics |
| D. | lumen |
| Answer» D. lumen | |
| 102. |
The friction between the eyelid and exposed part of the eye ball is reduced through |
| A. | repetitive blinking of eye |
| B. | water splashes |
| C. | XX |
| D. | tear lubrication through lachrymal tear gland |
| Answer» E. | |
| 103. |
The process of manipulating the genes usually outside the normal reproductive process is known as |
| A. | gene targeting |
| B. | genetic modification |
| C. | gene linking |
| D. | genome recombination |
| Answer» C. gene linking | |
| 104. |
Diabetic people need to |
| A. | reduce water intake |
| B. | increase water intake |
| C. | none of these |
| D. | eliminate any physical activity |
| Answer» B. increase water intake | |
| 105. |
All are compounds of carbon but |
| A. | fats |
| B. | mineral salts |
| C. | fiber |
| D. | vitamins |
| Answer» C. fiber | |
| 106. |
Right ventricle forces blood into the |
| A. | pulmonary arch |
| B. | aortic arch |
| C. | none of these |
| D. | superior vena cava |
| Answer» B. aortic arch | |
| 107. |
6000 kJ of energy can be produced by the oxidation of |
| A. | 2 moles of glucose |
| B. | 1 mole of glucose |
| C. | 4 moles of glucose |
| D. | 3 moles of glucose |
| Answer» B. 1 mole of glucose | |
| 108. |
Over a period of time, mosquitoes have developed resistance to |
| A. | BOD |
| B. | DDT |
| C. | eutrophication |
| D. | Dioxins |
| Answer» C. eutrophication | |
| 109. |
Rhizopus is a form of |
| A. | multicellular fungi |
| B. | unicellular fungi |
| C. | XX |
| D. | XX |
| Answer» B. unicellular fungi | |
| 110. |
More blood flows through the skin in case of |
| A. | vasoconstriction |
| B. | vasodilation |
| C. | none of these |
| D. | both of these |
| Answer» C. none of these | |
| 111. |
Germination of 101 years old seeds was observed in |
| A. | Arctic Tundra Lupine |
| B. | Melon family |
| C. | XX |
| D. | Moth Mullein |
| Answer» E. | |
| 112. |
Plants capable to survive conditions of extreme drought are |
| A. | hydrophytes |
| B. | xerophytes |
| C. | herbaceous |
| D. | cortex |
| Answer» C. herbaceous | |
| 113. |
Upon passing through the tissues containing very less oxygen, |
| A. | oxyhaemoglobin releases its oxygen |
| B. | oxyhaemogloin releases its hemoglobin |
| C. | forms carboxyhaemoglobin |
| D. | oxyhaemoglobin shines with bright red color |
| Answer» C. forms carboxyhaemoglobin | |
| 114. |
The sperm duct from each side passes into the |
| A. | rectum |
| B. | ureter |
| C. | abdominal cavity |
| D. | testis |
| Answer» D. testis | |
| 115. |
The major gaseous man-caused pollutant is |
| A. | carbon monoxide |
| B. | carbon dioxide |
| C. | nitrogen oxides |
| D. | sulphur dioxide |
| Answer» E. | |
| 116. |
Fossil fuels and minerals are examples of |
| A. | non-renewable resources |
| B. | renewable resources |
| C. | XX |
| D. | XX |
| Answer» B. renewable resources | |
| 117. |
Medulla oblongata is not responsible for |
| A. | peristalsis |
| B. | heartbeat |
| C. | respiratory movements |
| D. | blinking |
| Answer» E. | |
| 118. |
Pericardial fluid is found |
| A. | between the two ventricles |
| B. | in the cardiovascular system |
| C. | between the two layers of pericardium |
| D. | between the two atriums |
| Answer» D. between the two atriums | |
| 119. |
The gland referred to as "Master gland" is |
| A. | Adrenal gland |
| B. | Pituitary gland |
| C. | islets of Langerhans |
| D. | thyroid gland |
| Answer» C. islets of Langerhans | |
| 120. |
Tissue respiration is also referred as |
| A. | external respiration |
| B. | internal respiration |
| C. | breathing |
| D. | gaseous exchange |
| Answer» C. breathing | |
| 121. |
Progesterone controls |
| A. | broadening of pelvis |
| B. | development of mammary glands |
| C. | all of these |
| D. | enlargement of breasts for lactation |
| Answer» E. | |
| 122. |
If an unmarked mercury-in-glass thermometer has l |
| A. | −20 °C |
| B. | −10 °C |
| C. | −40 °C |
| D. | −30 °C |
| Answer» B. −10 °C | |
| 123. |
A scientist tries to find the temperature with a laboratory thermometer which is unmarked, its values are l |
| A. | 40 °C |
| B. | 20 °C |
| C. | 80 °C |
| D. | 60 °C |
| Answer» D. 60 °C | |
| 124. |
A mercury-in-glass thermometer has l |
| A. | 25 °C |
| B. | 12.5 °C |
| C. | 75 °C |
| D. | 50 °C |
| Answer» D. 50 °C | |
| 125. |
To convert the density of kg m |
| A. | 10 |
| B. | 100 |
| C. | 1000 |
| D. | 200 |
| Answer» D. 200 | |