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. |
The functions of the pancreas does not include |
| A. | utilization of carbohydrates |
| B. | secretion of insulin |
| C. | production of enzymes |
| D. | deamination of amino acids |
| Answer» E. | |
| 2. |
In human adult, the kidney receives how many Liters of blood per minute to filter? |
| A. | 1.2 Liters |
| B. | 0.8 Liter |
| C. | 5 Liters |
| D. | 3.2 Liters |
| Answer» B. 0.8 Liter | |
| 3. |
The color of dry cobalt chloride paper is |
| A. | buff |
| B. | pink |
| C. | none of these |
| D. | blue |
| Answer» E. | |
| 4. |
Each stage in food chain is called a |
| A. | phantom level |
| B. | photon level |
| C. | XX |
| D. | trophic level |
| Answer» E. | |
| 5. |
Casein is converted to yoghurt because of |
| A. | salicylic acid |
| B. | lactic acid |
| C. | picric acid |
| D. | benzoic acid |
| Answer» C. picric acid | |
| 6. |
Malaria is caused by the parasitic protozoan called as |
| A. | Plasmodium |
| B. | Anopheles |
| C. | XX |
| D. | plasmolysis |
| Answer» B. Anopheles | |
| 7. |
Conserving metals may decrease |
| A. | waste disposal |
| B. | environmental pollution |
| C. | both of these |
| D. | none of these |
| Answer» D. none of these | |
| 8. |
Pollens are large, sticky and heavy in plants pollinated by |
| A. | insects |
| B. | wind |
| C. | XX |
| D. | XX |
| Answer» B. wind | |
| 9. |
Respiration carried out in the absence of oxygen is |
| A. | anaerobic respiration |
| B. | aerobic respiration |
| C. | fermentation |
| D. | cellular respiration |
| Answer» B. aerobic respiration | |
| 10. |
An excellent habitat for bacterial growth is |
| A. | burning of garbage |
| B. | CFC based products |
| C. | all |
| D. | untreated sewage |
| Answer» E. | |
| 11. |
Lipase is found in |
| A. | intestinal juice |
| B. | pancreatic juices |
| C. | both of these |
| D. | none of these |
| Answer» D. none of these | |
| 12. |
Pulmonary arteries lead to |
| A. | lungs |
| B. | right atrium |
| C. | pulmonary arch |
| D. | left atrium |
| Answer» B. right atrium | |
| 13. |
If the generalized formulae of carbohydrates is CnH2mOm, what is n and m for sucrose |
| A. | n=10 and m=11 |
| B. | n=12 and m=10 |
| C. | n=10 and m=10 |
| D. | n=12 and m=11 |
| Answer» E. | |
| 14. |
Hydrophonics refers to |
| A. | growing plants in air |
| B. | growing plants without soil |
| C. | all of these |
| D. | growing plants in soil |
| Answer» C. all of these | |
| 15. |
When the body temperature rises, several mechanism help in loosing heat but the mechanism that helps in reducing heat production is |
| A. | reduced rate of metabolism |
| B. | reduced breathing |
| C. | excessive vasodilation |
| D. | excessive sweating |
| Answer» B. reduced breathing | |
| 16. |
Along the trophic level, in a food chain, the insecticide amount |
| A. | increases at each trophic level |
| B. | decreases at each trophic level |
| C. | XX |
| D. | XX |
| Answer» B. decreases at each trophic level | |
| 17. |
In animals and fungi, glycogen is stored in the form of |
| A. | amino acids |
| B. | lipids |
| C. | sugars |
| D. | carbohydrates |
| Answer» E. | |
| 18. |
Compounds which tend to accumulate in bodies are |
| A. | are not excreted from the bodies |
| B. | passed on to final consumers |
| C. | all of these |
| D. | may contain lead and mercury |
| Answer» D. may contain lead and mercury | |
| 19. |
Vitamin helpful in the process of blood clotting is |
| A. | C |
| B. | B-complex |
| C. | K |
| D. | D |
| Answer» D. D | |
| 20. |
The most fertile layer of soil is |
| A. | organic layer |
| B. | top layer |
| C. | all of these |
| D. | middle soil layer |
| Answer» C. all of these | |
| 21. |
The insulation to nerve fiber is provided through |
| A. | neurilemma |
| B. | myelin sheath |
| C. | none of these |
| D. | node of Ranvier |
| Answer» C. none of these | |
| 22. |
Risks of skin cancer is increased if |
| A. | if the CFCs are lowered |
| B. | more sun bathing is done |
| C. | more ultraviolet light penetrates the Earth |
| D. | if the greenhouse effect is lowered |
| Answer» D. if the greenhouse effect is lowered | |
| 23. |
Nerve fibers are |
| A. | found in grey matter outside brain |
| B. | found in nerve impulses |
| C. | converted to electrical signals |
| D. | cytoplasmic processes |
| Answer» E. | |
| 24. |
Through enzyme pepsin, proteins can be changed to |
| A. | cellulose |
| B. | polypeptides |
| C. | fatty acids |
| D. | amino acids |
| Answer» C. fatty acids | |
| 25. |
Untreated sewage may cause |
| A. | cholera outbreaks |
| B. | outbreak of epidemic |
| C. | all of these |
| D. | typhoid outbreaks |
| Answer» D. typhoid outbreaks | |
| 26. |
Gametes in maize plants have |
| A. | 20 chromosomes |
| B. | 10 chromosomes |
| C. | XX |
| D. | XX |
| Answer» C. XX | |
| 27. |
Ecological niche refers to the |
| A. | how an organism depends on various organisms |
| B. | how an organism fits in the environment |
| C. | none of these |
| D. | both of these |
| Answer» E. | |
| 28. |
An increase in water potential refers to |
| A. | a drop in osmotic pressure |
| B. | more osmotic pressure |
| C. | excessive selective reabsorption |
| D. | more active transport |
| Answer» B. more osmotic pressure | |
| 29. |
A sensory neuron is not needed in |
| A. | conditioned reflex action |
| B. | voluntary action |
| C. | none of these |
| D. | both of these |
| Answer» C. none of these | |
| 30. |
Bracts are commonly found in |
| A. | Clitoria |
| B. | Orchids |
| C. | Grasses |
| D. | Pawpaw |
| Answer» D. Pawpaw | |
| 31. |
Lesser genetic variability is observed if plant continues |
| A. | self pollination |
| B. | cross pollination |
| C. | XX |
| D. | XX |
| Answer» B. cross pollination | |
| 32. |
Oesophagus is also called as |
| A. | gullet |
| B. | gut |
| C. | all of these |
| D. | cavity |
| Answer» B. gut | |
| 33. |
Fishes can be conserved if |
| A. | indiscriminate fishing is done |
| B. | small fishes are not caught |
| C. | none of these |
| D. | fishing period is extended |
| Answer» C. none of these | |
| 34. |
Types of gametes produced by 2 pair of chromosomes can be |
| A. | 6 |
| B. | 4 |
| C. | 10 |
| D. | 8 |
| Answer» C. 10 | |
| 35. |
Motor end plate is formed |
| A. | when end branch of an axon touches the Dendron |
| B. | at the junction of the two neurons |
| C. | when synapse is busy in other tasks |
| D. | when end branch of an axon touches an effector |
| Answer» E. | |
| 36. |
Loss of control of hand and feet occurs due to |
| A. | sulphur dioxide |
| B. | lead poisoning |
| C. | carbon dioxide |
| D. | nitrogen oxide |
| Answer» C. carbon dioxide | |
| 37. |
Consequences of water pollution includes |
| A. | burning of fossil fuels |
| B. | discharge of untreated sewage |
| C. | climatic changes |
| D. | loss of habitat |
| Answer» C. climatic changes | |
| 38. |
Conservation of resources can be tackled through |
| A. | reducing pollution |
| B. | human population control |
| C. | none of these |
| D. | both of these |
| Answer» E. | |
| 39. |
Plants pollinated through insects have |
| A. | light pollens |
| B. | small pollens |
| C. | nectar guides |
| D. | short stamens |
| Answer» D. short stamens | |
| 40. |
Pulmonary veins carry blood from lungs to |
| A. | right atrium |
| B. | left atrium |
| C. | right ventricle |
| D. | left ventricle |
| Answer» C. right ventricle | |
| 41. |
Glucose level ion blood may fall due to |
| A. | impaired functioning of liver |
| B. | adequate insulin production |
| C. | fasting |
| D. | heavy meals |
| Answer» D. heavy meals | |
| 42. |
Papain is found in |
| A. | proteases |
| B. | pawpaw |
| C. | pancreatic amylase |
| D. | pepsin |
| Answer» C. pancreatic amylase | |
| 43. |
High concentrations of carbon monoxide |
| A. | reduces capacity of oxygen transportation through blood in the body |
| B. | reduces capacity of blood transport |
| C. | is caused due to smog formation |
| D. | is caused due to incomplete fossil decay |
| Answer» B. reduces capacity of blood transport | |
| 44. |
The stomatal guard cells perform all the functions but |
| A. | protecting the inner regions of leaf |
| B. | producing sugars |
| C. | chloroplast storage |
| D. | regulating the amount of water lost |
| Answer» B. producing sugars | |
| 45. |
Carbon dioxide concentration is measured in blood through |
| A. | receptors in lungs |
| B. | biosensors |
| C. | receptors in blood vessels in neck |
| D. | receptors in esophagus |
| Answer» D. receptors in esophagus | |
| 46. |
Metal is a |
| A. | non-renewable resource |
| B. | renew-able source |
| C. | XX |
| D. | XX |
| Answer» B. renew-able source | |
| 47. |
Excess mucus is produced causing smokers cough due to |
| A. | Tar |
| B. | nicotine |
| C. | morphine |
| D. | Irritants |
| Answer» E. | |
| 48. |
BOD refers to the |
| A. | Binding of Dirt |
| B. | Bidding of Dermatology |
| C. | Biochemical Oxygen demand |
| D. | Biochemical occupied Date |
| Answer» D. Biochemical occupied Date | |
| 49. |
All is true for blood pressure but |
| A. | blood pressure is highest in aortic arch |
| B. | blood pressure remains the same across whole body |
| C. | blood pressure is highest in ventricular systole |
| D. | blood pressure is weaker in veins |
| Answer» C. blood pressure is highest in ventricular systole | |
| 50. |
Time required to replace one unit of blood is |
| A. | 47 hours |
| B. | 17 hours |
| C. | 97 hours |
| D. | 72 hours |
| Answer» E. | |