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. |
Plant growth ceases in absence of |
| A. | oxygen |
| B. | water |
| C. | vitamins |
| D. | all of the above |
| Answer» E. | |
| 2. |
During elongation phase of growth |
| A. | cell volume increases |
| B. | plasticity of cell wall increases |
| C. | wall pressure is reduced |
| D. | all of the above |
| Answer» E. | |
| 3. |
Along with auxins hormone that causes apical dominance is |
| A. | ethene |
| B. | cytokinins |
| C. | gibberellin |
| D. | thyroxine |
| Answer» C. gibberellin | |
| 4. |
All is true for adipose tissues, but, |
| A. | that it acts as insulator |
| B. | is found below the skin |
| C. | senses changes in temperature |
| D. | fat storage |
| Answer» D. fat storage | |
| 5. |
In the case of low blood glucose concentration, the negative feedback is |
| A. | conversion of glucose into glycogen |
| B. | to workout |
| C. | to rest |
| D. | conversion of glycogen to glucose |
| Answer» E. | |
| 6. |
Eyeball is kept firm and refracting light through |
| A. | aqueous humor only |
| B. | vitreous humor only |
| C. | saturated humor |
| D. | aqueous and vitreous humor |
| Answer» E. | |
| 7. |
Removed ectoderm from a frog's embryo developed |
| A. | an indiviual frog |
| B. | frog with normal nervous systen |
| C. | frog with defective nervous system |
| D. | frog with defective circulatory system |
| Answer» D. frog with defective circulatory system | |
| 8. |
Xylem, phloem, leaves, shoots and roots are completely formed in |
| A. | stage one of differentiation |
| B. | stage two of differentiation |
| C. | stage three of differentiation |
| D. | stage five of differentiation |
| Answer» E. | |
| 9. |
Young tissues or group of cells in plants that retain potential to divide are called |
| A. | pith |
| B. | meristems |
| C. | cortex |
| D. | intercalary tissue |
| Answer» C. cortex | |
| 10. |
Changes is intracellular substances during aging includes |
| A. | increased cross linkages of collagen |
| B. | loss of elasticity in elastic tissues |
| C. | loss of resilience in connective tissue |
| D. | all of the above |
| Answer» E. | |
| 11. |
Least temperature at which growth can continue is |
| A. | 10-30°C |
| B. | 5-10°C |
| C. | 10-20°C |
| D. | 10-40°C |
| Answer» C. 10-20°C | |
| 12. |
Sponges for regeneration take |
| A. | seconds |
| B. | hours |
| C. | weeks |
| D. | months |
| Answer» E. | |
| 13. |
Distinct pattern for each individual is obtained through |
| A. | dermis |
| B. | cornified layer |
| C. | granular layer |
| D. | malpighian layer |
| Answer» C. granular layer | |
| 14. |
Degeneration of elastic tissues in tunica media of blood vessels cause |
| A. | arthritis |
| B. | anemia |
| C. | arteriosclerosis |
| D. | sickle cell disease |
| Answer» D. sickle cell disease | |
| 15. |
First two cleavage planes are |
| A. | hortizontal |
| B. | one horizontal and one vertical |
| C. | vertical |
| D. | diagonal |
| Answer» D. diagonal | |
| 16. |
Process of formation of germ layers is called |
| A. | fertilization |
| B. | gastrulation |
| C. | gamete formation |
| D. | growth |
| Answer» C. gamete formation | |
| 17. |
Gray equatorial cytoplasm produces |
| A. | notochord |
| B. | neural tube |
| C. | gut |
| D. | Both a and b |
| Answer» E. | |
| 18. |
Walls of many kind of cells and tissues become pitted during |
| A. | differentiation |
| B. | elongation |
| C. | cell division |
| D. | maturation |
| Answer» B. elongation | |
| 19. |
Primitive ridges are thickened margins of |
| A. | primitive streak |
| B. | neural plate |
| C. | primitive groove |
| D. | neural tube |
| Answer» D. neural tube | |
| 20. |
Sebaceous glands are derived from |
| A. | hair in dermis |
| B. | blood vessels in dermis |
| C. | epidermis |
| D. | malpighian layer |
| Answer» D. malpighian layer | |
| 21. |
Dermis can be sub-classified into all but |
| A. | blood vessels |
| B. | sense receptors |
| C. | sebaceous glands |
| D. | epidermis |
| Answer» E. | |
| 22. |
Cell divisions are enhanced by effect of |
| A. | red light |
| B. | blue light |
| C. | white light |
| D. | yellow light |
| Answer» C. white light | |
| 23. |
Functions of vasomotor includes |
| A. | vasodilation only |
| B. | vasoconstriction only |
| C. | vasoregulation |
| D. | vasodilation and vasoconstriction |
| Answer» E. | |
| 24. |
The purpose of the cooling jacket is to help in |
| A. | prevention of cleaning of culture medium |
| B. | easy cleansing of culture medium |
| C. | polluting of culture medium |
| D. | utilizing unproductive time |
| Answer» C. polluting of culture medium | |
| 25. |
Excess tears drain into |
| A. | Lachrymal tear gland |
| B. | naso-lachrymal duct |
| C. | lower eyelid |
| D. | nose |
| Answer» C. lower eyelid | |
| 26. |
Greatest refraction of light is caused through |
| A. | sclerotic coat |
| B. | choroid coat |
| C. | iris |
| D. | pupil |
| Answer» B. choroid coat | |
| 27. |
Negative phsiological changes in our body can be termed as |
| A. | growth |
| B. | aging |
| C. | breakdown |
| D. | death |
| Answer» C. breakdown | |
| 28. |
At each end of nural tube, small openings are present and called as |
| A. | neuro-pores |
| B. | neuro openings |
| C. | neurosomes |
| D. | neuralgates |
| Answer» B. neuro openings | |
| 29. |
Stage two of differentiation involves |
| A. | recognition of apical meristems |
| B. | formation of embryo |
| C. | recognition of cambium |
| D. | production of leaf primordial |
| Answer» B. formation of embryo | |
| 30. |
In center of blastoderm, cells are |
| A. | larger |
| B. | flattened |
| C. | smaller |
| D. | huge |
| Answer» D. huge | |
| 31. |
An external factor influencing growth is |
| A. | temperature |
| B. | light |
| C. | oxygen |
| D. | all of the above |
| Answer» E. | |
| 32. |
During course of development blastoderm shape changes from circular to |
| A. | apple shaped |
| B. | oval shaped |
| C. | pear shaped |
| D. | triangular shape |
| Answer» D. triangular shape | |
| 33. |
If cap of acetabularia is removed, |
| A. | the alga dies |
| B. | two new caps are produced |
| C. | the alga still lives without cap |
| D. | a new cap is regenerated |
| Answer» E. | |
| 34. |
In ultrafiltration, the proteins and fats are retained in |
| A. | renal capsule |
| B. | glomerulus |
| C. | malpighian capsule |
| D. | loop of Henle' |
| Answer» C. malpighian capsule | |
| 35. |
Arterioles carrying blood to blood capillaries are controlled through |
| A. | ADH (Antidiuretic Hormone) |
| B. | vasomotor nerves |
| C. | afferent arteriole |
| D. | efferent arteriole |
| Answer» C. afferent arteriole | |
| 36. |
Limb regeneration is mostly studied in |
| A. | earthworm |
| B. | salamander |
| C. | starfish |
| D. | sponges |
| Answer» C. starfish | |
| 37. |
Friction between eyelid and exposed part of eye ball is reduced through |
| A. | water splashes |
| B. | repetitive blinking of eye |
| C. | tear lubrication through lachrymal tear gland |
| D. | vitreous humor |
| Answer» D. vitreous humor | |
| 38. |
Nectar secreted by the Clitoria can be reached through the |
| A. | petals |
| B. | female part (gynoecium) |
| C. | stigma only |
| D. | at the base of the male part (androecium) |
| Answer» E. | |
| 39. |
Hypoblast is mainly presumptive |
| A. | ectoderm |
| B. | mesoderm |
| C. | endoderm |
| D. | exoderm |
| Answer» D. exoderm | |
| 40. |
More sweat helps the body to |
| A. | gain more latent heat |
| B. | loose more latent heat |
| C. | inefficiently loose heat |
| D. | rehydrate |
| Answer» C. inefficiently loose heat | |
| 41. |
Tissue respiration is most active in |
| A. | lungs |
| B. | muscles |
| C. | liver |
| D. | stomach |
| Answer» C. liver | |
| 42. |
Spemann performed experiments on zygote of |
| A. | hydra |
| B. | salamander |
| C. | sea urchin |
| D. | turtle |
| Answer» C. sea urchin | |
| 43. |
Fact that each cell contains all genetic information of original zygote was proved by |
| A. | spemann |
| B. | hammerlings |
| C. | hans driesch |
| D. | darwin |
| Answer» D. darwin | |
| 44. |
Leaf primordial are cells committed to become |
| A. | leaves |
| B. | shoot |
| C. | root |
| D. | all of the above |
| Answer» E. | |
| 45. |
Leaf and shoot primordia develop from |
| A. | apical meristematic cells |
| B. | pericycle |
| C. | endoderm cells |
| D. | mesoderm cells |
| Answer» B. pericycle | |
| 46. |
Stage of development in which body organs are formed, cells interact and differentiate, is called |
| A. | gastrulation |
| B. | fertilization |
| C. | organogenesis |
| D. | growth |
| Answer» D. growth | |
| 47. |
Convection, conduction and radiation loose lesser heat, if |
| A. | heat gain center of hypothalamus is activated |
| B. | heat loose center of hypothalamus is activated |
| C. | low glucose detector part of hypothalamus is stimulated |
| D. | high glucose detector part of hypothalamus is stimulated |
| Answer» B. heat loose center of hypothalamus is activated | |
| 48. |
In mammals, Larynx refers to the |
| A. | epithelium |
| B. | mucus |
| C. | inner lining of nose |
| D. | voice box |
| Answer» E. | |
| 49. |
Fibrous connective tissues are mainly found in |
| A. | malpighian layer |
| B. | dermis |
| C. | cornified layer |
| D. | granular layer |
| Answer» C. cornified layer | |
| 50. |
More energy is available if the man feeds |
| A. | directly on plants |
| B. | on cattle |
| C. | on meat |
| D. | on quaternary consumers |
| Answer» B. on cattle | |