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 total cell count of human body is |
| A. | 6000 billion cells |
| B. | 60, 000 billion cells |
| C. | varies with age |
| D. | 600, 000 billion cells |
| Answer» C. varies with age | |
| 2. |
Involuntary actions do not involve |
| A. | exhalation |
| B. | heartbeat |
| C. | passing urine |
| D. | inhalation |
| Answer» D. inhalation | |
| 3. |
In a healthy lung, the air spaces or air sacs |
| A. | are in the form of large air sacs |
| B. | are few |
| C. | may become carcinogenic |
| D. | are too fine to be visible |
| Answer» E. | |
| 4. |
Starch is broken down to form glucose units when hydrolyzed by |
| A. | acidic base |
| B. | alkaline base |
| C. | all of these |
| D. | neutral base |
| Answer» B. alkaline base | |
| 5. |
Indiscriminate fishing shall be |
| A. | discouraged |
| B. | encouraged |
| C. | XX |
| D. | XX |
| Answer» B. encouraged | |
| 6. |
On an inflorescent stalk, each flower is a |
| A. | shortened tuber |
| B. | shortened shoot |
| C. | none of these |
| D. | shortened stem |
| Answer» E. | |
| 7. |
Saturated fatty acids chains are |
| A. | curved |
| B. | straight |
| C. | none of these |
| D. | twisted |
| Answer» C. none of these | |
| 8. |
Age, activities and life style determines the |
| A. | rate of reaction |
| B. | peristalsis |
| C. | the sleep time |
| D. | amount of food materials |
| Answer» E. | |
| 9. |
Vibrio bacteria are a variation of |
| A. | bacilli |
| B. | cocci |
| C. | none of these |
| D. | spirilla |
| Answer» B. cocci | |
| 10. |
To transfer genes from one species to another, especially useful are |
| A. | plasmids |
| B. | vectors |
| C. | both of these |
| D. | none of these |
| Answer» D. none of these | |
| 11. |
Thick, muscular and elastic walls are characteristics of |
| A. | arteries |
| B. | endothelium |
| C. | capillaries |
| D. | veins |
| Answer» B. endothelium | |
| 12. |
The sperm duct finally opens into the |
| A. | urethra |
| B. | ureter |
| C. | testis |
| D. | testes |
| Answer» B. ureter | |
| 13. |
Excess amino acids are stored as |
| A. | stem tubers |
| B. | seeds |
| C. | corms |
| D. | proteins |
| Answer» E. | |
| 14. |
The living matter of a cell is called as |
| A. | biomass |
| B. | chlorophyll |
| C. | protoplasm |
| D. | muscle cells |
| Answer» D. muscle cells | |
| 15. |
Harmful substances introduced in the air includes all but |
| A. | lead |
| B. | carbon dioxide |
| C. | nitrogen oxide |
| D. | zinc |
| Answer» E. | |
| 16. |
The internal skeleton is made up of bones and cartilage in |
| A. | nematodes |
| B. | mammals |
| C. | Echinodermata |
| D. | arthropods |
| Answer» C. Echinodermata | |
| 17. |
The sub-phylum Vertebrata is divided into |
| A. | 4 classes |
| B. | 1 class |
| C. | 6 classes |
| D. | 5 classes |
| Answer» E. | |
| 18. |
A highly concentrated urine is produced by |
| A. | marine bony fish |
| B. | freshwater bony fish |
| C. | all three |
| D. | marine boneless fish |
| Answer» B. freshwater bony fish | |
| 19. |
Extracellular digestion is not witnessed in |
| A. | virus |
| B. | saprophytic bacteria |
| C. | fungi |
| D. | parasitic bacteria |
| Answer» B. saprophytic bacteria | |
| 20. |
Secondary consumers are |
| A. | herbivores |
| B. | plants |
| C. | none of these |
| D. | carnivores |
| Answer» E. | |
| 21. |
The right atrium receives blood from |
| A. | two vena cavae |
| B. | pulmonary veins |
| C. | left ventricle |
| D. | right ventricle |
| Answer» B. pulmonary veins | |
| 22. |
Fish die as a result of water pollution due to |
| A. | more tolerance range for oxygen |
| B. | less BOD |
| C. | XX |
| D. | narrow tolerance range for oxygen |
| Answer» E. | |
| 23. |
In xylem vessel, the lignin is deposited in the form of |
| A. | concave |
| B. | bell shape |
| C. | ring shape |
| D. | bean shaped |
| Answer» D. bean shaped | |
| 24. |
The juicy part of the apple is the |
| A. | receptacle |
| B. | testa |
| C. | funicle |
| D. | placenta |
| Answer» B. testa | |
| 25. |
Atherosclerosis causes |
| A. | lumen becoming narrower |
| B. | fatty deposits on the inner wall of arteries |
| C. | all of these |
| D. | none of these |
| Answer» D. none of these | |
| 26. |
Bile pigments are not |
| A. | formed as a result of hemoglobin breakdown |
| B. | produced in liver |
| C. | used to dominate amino acids into urea |
| D. | stored in gall bladder temporarily |
| Answer» D. stored in gall bladder temporarily | |
| 27. |
Hypothalamus forms the |
| A. | floor of the cerebral hemispheres |
| B. | walls of medulla oblongata |
| C. | none of these |
| D. | base of the cerebellum |
| Answer» B. walls of medulla oblongata | |
| 28. |
Renal artery, renal vein and nerves are connected at |
| A. | urethra |
| B. | ureters |
| C. | medulla |
| D. | hilus |
| Answer» E. | |
| 29. |
Secretion of urea in sweat makes skin a |
| A. | breathing organ |
| B. | respiratory organ |
| C. | egestion organ |
| D. | excretory organ |
| Answer» E. | |
| 30. |
A condensation reaction always results in the formation of a complex sugar and |
| A. | lipids |
| B. | amino acids |
| C. | maltose |
| D. | water |
| Answer» E. | |
| 31. |
Amount of energy requires depends upon the |
| A. | number of hours a person sleeps |
| B. | number of fast food chains visited annually |
| C. | all of these |
| D. | body size |
| Answer» E. | |
| 32. |
A combination of glucose and galactose molecules result in |
| A. | galactose |
| B. | maltose |
| C. | sucrose |
| D. | lactose |
| Answer» E. | |
| 33. |
Functions of stomach involves |
| A. | digestion of proteins |
| B. | action of bile |
| C. | absorption of digested foods |
| D. | action of pancreatic enzymes |
| Answer» B. action of bile | |
| 34. |
Pollen tube germinates from each pollen due to |
| A. | sugary nectar provided by the mature stigma |
| B. | response from the flower |
| C. | XX |
| D. | XX |
| Answer» B. response from the flower | |
| 35. |
In germinating seeds, the fats are broken down with the help of enzyme |
| A. | lipase |
| B. | amylase |
| C. | proteases |
| D. | sucrose |
| Answer» B. amylase | |
| 36. |
Renal artery forms branches of capillaries called as |
| A. | glomerulus |
| B. | glottis |
| C. | nephrons |
| D. | renal capsule |
| Answer» B. glottis | |
| 37. |
A kingdom is further sub-divided into |
| A. | species |
| B. | genre |
| C. | phyla |
| D. | classes |
| Answer» D. classes | |
| 38. |
Male gametes have all characteristics but |
| A. | lesser motile |
| B. | smaller in size |
| C. | move to female gametes |
| D. | larger in numbers |
| Answer» B. smaller in size | |
| 39. |
Tears are spread over the eyeball with the help of |
| A. | eyelids |
| B. | conjunctivitis |
| C. | XX |
| D. | rectus muscles |
| Answer» B. conjunctivitis | |
| 40. |
In case of malnutrition, the basic body needs are met through the consumption of stored |
| A. | fats and glycogen |
| B. | fats and glucose |
| C. | peptones |
| D. | starch and cellulose |
| Answer» B. fats and glucose | |
| 41. |
In starvation, the first thing to be consumed to keep vital processes is |
| A. | fats and glycogen |
| B. | fats and glucose |
| C. | fats and cellulose |
| D. | fats and amino acids |
| Answer» B. fats and glucose | |
| 42. |
Sweat gland like hair follicle, is formed due to |
| A. | up growth of dermis |
| B. | down growth of epidermis |
| C. | presence of rich blood capillaries |
| D. | very active cell divisions in dermis |
| Answer» C. presence of rich blood capillaries | |
| 43. |
A hormonal control |
| A. | is always involuntary |
| B. | may be voluntary or involuntary |
| C. | XX |
| D. | none of these |
| Answer» B. may be voluntary or involuntary | |
| 44. |
Hormones |
| A. | are deposited in liver |
| B. | stay in blood stream permanently |
| C. | act in the absence of enzymes |
| D. | are destroyed in liver after specific function is performed |
| Answer» E. | |
| 45. |
Female gametes are called as |
| A. | egg |
| B. | ova |
| C. | all of these |
| D. | ovum |
| Answer» D. ovum | |
| 46. |
In order to carry out insect-pollination the flower must not be |
| A. | large |
| B. | small |
| C. | brightly colored |
| D. | scented |
| Answer» C. brightly colored | |
| 47. |
Cellulose can be digested in herbivores through |
| A. | amoeba |
| B. | fungi |
| C. | pathological traces |
| D. | bacteria |
| Answer» E. | |
| 48. |
Transfer of genes from one species to another can be studied through |
| A. | vectors |
| B. | bacteria |
| C. | all of these |
| D. | fungi |
| Answer» B. bacteria | |
| 49. |
Deficiency of ascorbic acid causes |
| A. | beriberi |
| B. | rickets |
| C. | all of these |
| D. | scurvy |
| Answer» E. | |
| 50. |
Hookworms live inside the intestines and |
| A. | help in digestion of cellulose |
| B. | help in milk formation in mammals |
| C. | XX |
| D. | suck blood |
| Answer» E. | |