MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Water pollution is primarily caused by |
| A. | volcanic eruptions |
| B. | forest fires |
| C. | human activities |
| D. | biological decay |
| Answer» D. biological decay | |
| 2. |
The element which allows easy visualization of genetic modification products is known as |
| A. | blue fluorescent protein |
| B. | green fluorescent protein |
| C. | red fluorescent protein |
| D. | white fluorescent protein |
| Answer» C. red fluorescent protein | |
| 3. |
The plant cell wall is made up of |
| A. | plasma membrane |
| B. | cell surface membrane |
| C. | cell sap |
| D. | cellulose |
| Answer» E. | |
| 4. |
Digested food materials are carried to all parts of plant especially |
| A. | root apices |
| B. | stem |
| C. | both of these |
| D. | none of these |
| Answer» D. none of these | |
| 5. |
The largest gland in the body is |
| A. | large intestine |
| B. | stomach |
| C. | pituarity gland |
| D. | liver |
| Answer» E. | |
| 6. |
The balance between producers and consumers forms the |
| A. | food chain |
| B. | food web |
| C. | carbon cycle |
| D. | food cycle |
| Answer» C. carbon cycle | |
| 7. |
Light absorbed by chlorophyll is converted into |
| A. | autotrophic energy |
| B. | light energy |
| C. | kinetic energy |
| D. | chemical energy |
| Answer» E. | |
| 8. |
Starch is a form of |
| A. | fats |
| B. | proteins |
| C. | carbohydrate |
| D. | minerals |
| Answer» D. minerals | |
| 9. |
Atria and the ventricles |
| A. | work alternately |
| B. | work simultaneously |
| C. | none of these |
| D. | both of these |
| Answer» B. work simultaneously | |
| 10. |
The blood flows out of the kidneys through |
| A. | renal vein |
| B. | nowhere |
| C. | renal pelvis |
| D. | renal artery |
| Answer» B. nowhere | |
| 11. |
Cell surface membrane does not support in all of these but |
| A. | leakage of water to the soil |
| B. | osmosis |
| C. | reducing the cell surface: volume ratio |
| D. | leakage of salts and amino acids to the soil |
| Answer» C. reducing the cell surface: volume ratio | |
| 12. |
In photosynthesis, carbon dioxide must first be converted into |
| A. | sugars |
| B. | glucose |
| C. | galactose |
| D. | peptones |
| Answer» B. glucose | |
| 13. |
Two or more food chains may be interlinked through |
| A. | food cycle |
| B. | food web |
| C. | XX |
| D. | carbon cycle |
| Answer» C. XX | |
| 14. |
Zygote refers to the |
| A. | endosperm nucleus |
| B. | fusion of male gamete with ovum |
| C. | XX |
| D. | XX |
| Answer» C. XX | |
| 15. |
The malarial preventive drugs include |
| A. | chloroquine |
| B. | quinine |
| C. | Penicillin |
| D. | Paludrine |
| Answer» E. | |
| 16. |
Semilunar valves are |
| A. | found in arteries |
| B. | found in aorta |
| C. | allow the bi-directional flow of blood |
| D. | found in veins |
| Answer» E. | |
| 17. |
Perianth of the flower |
| A. | is the collection of calyx and corolla |
| B. | may be absent in most flowering plants |
| C. | XX |
| D. | is the collection of calyx and receptacle |
| Answer» B. may be absent in most flowering plants | |
| 18. |
Rapid diffusion of carbon dioxide to inner cells is ensured through |
| A. | leaf stalk |
| B. | large flat surface |
| C. | closely packed palisade cells |
| D. | thin lamina |
| Answer» E. | |
| 19. |
Pulmonary veins carry |
| A. | bluish red deoxygenated blood |
| B. | red oxygenated blood |
| C. | oxygenated blood from lungs to heart |
| D. | deoxygenated blood from heart to the lungs |
| Answer» D. deoxygenated blood from heart to the lungs | |
| 20. |
The function of thyroxin is to |
| A. | regulate the metabolic rate |
| B. | regulate the breathing rate |
| C. | regulate prevention of heat loss |
| D. | regulate sweat glands |
| Answer» B. regulate the breathing rate | |
| 21. |
People may become blind due to |
| A. | mercury poisoning |
| B. | lead poisoning |
| C. | Ozone depletion |
| D. | CFC exposure |
| Answer» B. lead poisoning | |
| 22. |
Animals store carbohydrates mainly in the form of |
| A. | starch |
| B. | cellulose |
| C. | glycogen |
| D. | galactose |
| Answer» D. galactose | |
| 23. |
The pH of succus entericus is |
| A. | approx. 7 |
| B. | below 7 |
| C. | depends upon the type of food to be digested |
| D. | above 7 |
| Answer» E. | |
| 24. |
Nucleoplasm is found inside |
| A. | nucleus |
| B. | hemoglobin |
| C. | nucleoli |
| D. | cell membrane |
| Answer» B. hemoglobin | |
| 25. |
Prolonged alcohol consumption |
| A. | causes loss of appetite |
| B. | helps overcome fatigue |
| C. | gastric ulcers |
| D. | cirrhosis |
| Answer» E. | |
| 26. |
DDT is a form of |
| A. | herbicide |
| B. | Insecticide |
| C. | XX |
| D. | XX |
| Answer» C. XX | |
| 27. |
In penicillin production, the pH of culture medium is maintained between |
| A. | 4 and 6 |
| B. | 5 and 6 |
| C. | 4 and 5 |
| D. | 6 and 7 |
| Answer» C. 4 and 5 | |
| 28. |
Enzymes vital for aerobic respiration are found in |
| A. | centriole |
| B. | platelets |
| C. | mitochondria |
| D. | nucleus |
| Answer» D. nucleus | |
| 29. |
Systole means |
| A. | ventricular relaxation |
| B. | a "lub" sound |
| C. | none of these |
| D. | closure of semilunar valves |
| Answer» C. none of these | |
| 30. |
The vessel of xylem |
| A. | is a dead structure |
| B. | keeps growing |
| C. | does not contain pits |
| D. | is useless in perennials |
| Answer» B. keeps growing | |
| 31. |
Barbiturates are often prescribed for the treatment of |
| A. | depression |
| B. | epilepsy |
| C. | all of these |
| D. | excess hunger |
| Answer» C. all of these | |
| 32. |
Anabolic activities include |
| A. | deamination of proteins |
| B. | tissue respiration |
| C. | photosynthesis in green plants |
| D. | denaturation of enzymes |
| Answer» D. denaturation of enzymes | |
| 33. |
Density can be measured through |
| A. | number of individuals per unit area |
| B. | number of individuals per square meter |
| C. | XX |
| D. | number of total population in a mile |
| Answer» B. number of individuals per square meter | |
| 34. |
The conversion of fibrinogen to fibrin is carried out through |
| A. | prothrombin |
| B. | thrombin |
| C. | platelets |
| D. | thrombokinase |
| Answer» C. platelets | |
| 35. |
In each villas, fats is transported through |
| A. | blood vessels |
| B. | lymphatic capillary |
| C. | all of these |
| D. | microvilli |
| Answer» C. all of these | |
| 36. |
Limited movement is shown by |
| A. | phagocytes |
| B. | lymphocytes |
| C. | polymorphs |
| D. | monocytes |
| Answer» C. polymorphs | |
| 37. |
From the right atrium, the blood flows into the |
| A. | right ventricle |
| B. | left atrium |
| C. | XX |
| D. | pulmonary artery |
| Answer» B. left atrium | |
| 38. |
In each villas, the sugars and amino acids are diffused in |
| A. | blood vessels |
| B. | lymphatic capillary |
| C. | all of these |
| D. | microvilli |
| Answer» B. lymphatic capillary | |
| 39. |
In hypothalamus, heat gain center is activated if |
| A. | the day is sunny |
| B. | the day is cold |
| C. | if excess physical activities are done |
| D. | if mammal is hairy |
| Answer» C. if excess physical activities are done | |
| 40. |
Excess of amino acids are |
| A. | converted in proteins |
| B. | immediately used in cell respiration |
| C. | converted to glycogen |
| D. | converted to urea |
| Answer» E. | |
| 41. |
Example of dioecious plant includes |
| A. | pawpaw |
| B. | Allamanda |
| C. | Clitoria |
| D. | Hibiscus |
| Answer» B. Allamanda | |
| 42. |
Mouth and gut refers to |
| A. | special organism to hold food |
| B. | special organism for food digestion |
| C. | special organs not found in mammals |
| D. | special organs to eat food |
| Answer» E. | |
| 43. |
The greatest amount of energy is lost while |
| A. | moving from pri-consumers to sec-consumers |
| B. | moving from producers to pri-consumers |
| C. | heat is lost during respiration |
| D. | moving from sec-consumers to tertiary consumers |
| Answer» C. heat is lost during respiration | |
| 44. |
The rubbed off cells of cornified layer are replaced by |
| A. | granular layer |
| B. | malpighian layer |
| C. | sub-cutaneous fat |
| D. | dermis |
| Answer» B. malpighian layer | |
| 45. |
Dorsal aorta does not |
| A. | curl upwards to the left side of the heart |
| B. | run parallel to backbone |
| C. | give off iliac artery |
| D. | give off hepatic artery |
| Answer» B. run parallel to backbone | |
| 46. |
Dermis can be sub-classified into all but |
| A. | sense receptors |
| B. | blood vessels |
| C. | epidermis |
| D. | sebaceous glands |
| Answer» D. sebaceous glands | |
| 47. |
Lipase act upon the fats, in germinating seeds to produce |
| A. | glycerol |
| B. | fatty acids |
| C. | none of these |
| D. | both of these |
| Answer» E. | |
| 48. |
While fasting |
| A. | fats are not oxidized |
| B. | supply of glucose is kept adequate |
| C. | fats are oxidized |
| D. | fats are stored around heart and kidneys |
| Answer» D. fats are stored around heart and kidneys | |
| 49. |
The pollen grains are received through |
| A. | style |
| B. | stigma |
| C. | pistil of the flower |
| D. | ovary |
| Answer» C. pistil of the flower | |
| 50. |
Number of sebaceous glands opening into each hair follicle are at least |
| A. | 3 |
| B. | 2 |
| C. | more |
| D. | 4 |
| Answer» C. more | |