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. |
Pallor in man is caused due to |
| A. | blood dilution |
| B. | blood concentrated in minerals |
| C. | arteriole dilation |
| D. | arteriole constriction |
| Answer» E. | |
| 2. |
Root primordia develop from root cambium called |
| A. | epicycle |
| B. | pericycle |
| C. | pericarp |
| D. | mesoderm |
| Answer» C. pericarp | |
| 3. |
When cell enlargement ceases, process that starts is |
| A. | elongation |
| B. | differentiation |
| C. | cell division |
| D. | maturation |
| Answer» C. cell division | |
| 4. |
In tip of root and shoot, young cells |
| A. | posses spherical nuclei |
| B. | are non-vacuolated |
| C. | posses nuclei in the center of cytoplasm |
| D. | all of the above |
| Answer» E. | |
| 5. |
Fermenters are designed for |
| A. | aerobic processes |
| B. | anaerobic processes |
| C. | both aerobic and anaerobic respiration |
| D. | antirobic processes |
| Answer» D. antirobic processes | |
| 6. |
Convection may reduce body temperature through |
| A. | excessive sweating |
| B. | sitting in front of a fan |
| C. | bathing |
| D. | expiration |
| Answer» C. bathing | |
| 7. |
Number of sepals in Clitoria flowers are |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» C. 6 | |
| 8. |
Growth is mainly divided into |
| A. | three types |
| B. | two types |
| C. | four types |
| D. | five types |
| Answer» C. four types | |
| 9. |
Process of formation of central nervous system is called |
| A. | gastrulation |
| B. | centralization |
| C. | neurulation |
| D. | blastulation |
| Answer» D. blastulation | |
| 10. |
Immediately after fertilization, egg undergoes a series of divisions called |
| A. | mitotic divisions |
| B. | meiotic divisions |
| C. | cleavage |
| D. | seggregation |
| Answer» D. seggregation | |
| 11. |
Pancreatic juice helps in the conversion of proteins to polypeptides, through enzyme known as |
| A. | pepsin |
| B. | erepsin |
| C. | trypsin |
| D. | enterokinase |
| Answer» D. enterokinase | |
| 12. |
In the outer corner of the upper lid of eye, is the |
| A. | lachrymal tear gland |
| B. | naso-lachrymal duct |
| C. | liberal palpebral ligament |
| D. | orbital part |
| Answer» B. naso-lachrymal duct | |
| 13. |
Cells at periphery of blastoderm are |
| A. | flattened |
| B. | larger |
| C. | smaller |
| D. | Both a and b |
| Answer» E. | |
| 14. |
When folding of neural plate is clearly visible, embryo is termed as |
| A. | neurula |
| B. | gastrula |
| C. | blastula |
| D. | staticula |
| Answer» B. gastrula | |
| 15. |
Types of amino acids present in proteins are |
| A. | 22 |
| B. | 32 |
| C. | 42 |
| D. | 52 |
| Answer» B. 32 | |
| 16. |
Phenomenon in which light duration induce or supress flowering is called |
| A. | photoperiodism |
| B. | phototactism |
| C. | photoflowering |
| D. | biorhythym |
| Answer» B. phototactism | |
| 17. |
Two species of acetabularia have been identified on basis of |
| A. | structure of the cap |
| B. | shape of the cap |
| C. | color of the cap |
| D. | Both a and b |
| Answer» E. | |
| 18. |
Calcium (Ca) and phosphorus (P₄) are essential for |
| A. | internal skeleton |
| B. | exoskeleton |
| C. | tissues |
| D. | cartilage |
| Answer» B. exoskeleton | |
| 19. |
At cephalic end of primitive streak, closely packed cells form a local thickening known as |
| A. | nodes of ranvier |
| B. | spemann's node |
| C. | albert's node |
| D. | hensen's node |
| Answer» E. | |
| 20. |
Lateral plate mesoderm is splitted into |
| A. | somatic mesoderm |
| B. | splanchnic mesoderm |
| C. | epiblast |
| D. | Both a and b |
| Answer» E. | |
| 21. |
Movement and re-arrangement of cells takes place in |
| A. | gastrulation |
| B. | neurulation |
| C. | blastulation |
| D. | Both a and b |
| Answer» B. neurulation | |
| 22. |
Lateral meristems are present in |
| A. | dicots |
| B. | gymnosperms |
| C. | monocots |
| D. | Both a and b |
| Answer» E. | |
| 23. |
Coiled chains of proteins are linked through weaker bonds of |
| A. | carbon atoms |
| B. | hydrogen atoms |
| C. | oxygen atoms |
| D. | nitrogen atoms |
| Answer» C. oxygen atoms | |
| 24. |
In excretion system ,medulla contains |
| A. | convoluted tubules only |
| B. | collecting tubules only |
| C. | conducting tubules |
| D. | convoluted and collecting tubules |
| Answer» E. | |
| 25. |
Cylinders of dividing cells contributing to secondary growth are called |
| A. | apical meristem |
| B. | intercalary meristems |
| C. | lateral meristems |
| D. | pith |
| Answer» D. pith | |
| 26. |
To grow, repair and reproduce, which is needed more? |
| A. | cytoplasm |
| B. | protoplasm |
| C. | centrioles |
| D. | chromatins |
| Answer» C. centrioles | |
| 27. |
Sensations and temperature changes are sensed by skin through |
| A. | biosensors |
| B. | detectors |
| C. | stimuli |
| D. | sense receptors |
| Answer» E. | |
| 28. |
Skin is protected from harmful ultraviolet rays through |
| A. | dermis |
| B. | cornified layer |
| C. | granular layer |
| D. | malpighian layer |
| Answer» E. | |
| 29. |
Secretion of urea in sweat makes skin a |
| A. | respiratory organ |
| B. | breathing organ |
| C. | excretory organ |
| D. | egestion organ |
| Answer» D. egestion organ | |
| 30. |
Ability of regeneration is present in |
| A. | lobster |
| B. | sponges |
| C. | starfish |
| D. | all of the above |
| Answer» E. | |
| 31. |
Cell elongation takes place if favoured by |
| A. | blue light |
| B. | red light |
| C. | white light |
| D. | brown light |
| Answer» C. white light | |
| 32. |
Process of aging can be slowed by |
| A. | better nutrition |
| B. | improved living conditions |
| C. | adequate sleep |
| D. | all of the above |
| Answer» E. | |
| 33. |
Glands normally produce |
| A. | enzymes |
| B. | saliva |
| C. | hormones |
| D. | all of above |
| Answer» E. | |
| 34. |
In plants, without supply of oxygen |
| A. | no metabolic activity is possible |
| B. | no growth takes place |
| C. | growth still occurs |
| D. | Both a and b |
| Answer» E. | |
| 35. |
Sweat gland is hooked in |
| A. | epidermis |
| B. | dermis |
| C. | cornified layer |
| D. | granular layer |
| Answer» C. cornified layer | |
| 36. |
Hans Driesch in his experiment took egg of |
| A. | salamander |
| B. | sear urchin |
| C. | earthworm |
| D. | turtle |
| Answer» C. earthworm | |
| 37. |
Acetabularia crenutala has a |
| A. | regular shaped cap |
| B. | circular shaped cap |
| C. | irregular shaped cap |
| D. | cone shaped cap |
| Answer» D. cone shaped cap | |
| 38. |
In mammals like cats and foxes, the inner hair layer acts as |
| A. | guard cells |
| B. | insulator |
| C. | performs both guarding and insulating functions |
| D. | conductor |
| Answer» C. performs both guarding and insulating functions | |
| 39. |
Secondary growth leads to increase in |
| A. | thickness |
| B. | height |
| C. | length |
| D. | no. of flowers |
| Answer» B. height | |
| 40. |
Internal skeleton is made up of bones and cartilage in |
| A. | mammals |
| B. | nematodes |
| C. | arthropods |
| D. | Echinodermata |
| Answer» B. nematodes | |
| 41. |
Number of people over age 80 is |
| A. | 2 million |
| B. | 3 million |
| C. | 4 million |
| D. | 5 million |
| Answer» E. | |
| 42. |
Sinking of malpighian layer in dermis results in formation of |
| A. | hair |
| B. | hair follicles |
| C. | hair papilla |
| D. | hair erector muscles |
| Answer» C. hair papilla | |
| 43. |
Abstinence from smoking and maintaining ideal weight can prolong life by an average of |
| A. | 5 years |
| B. | 7 years |
| C. | 11 years |
| D. | 20 years |
| Answer» D. 20 years | |
| 44. |
In differentiation process, cambium responsible for secondary growth is recognized during |
| A. | stage one |
| B. | stage two |
| C. | stage three |
| D. | stage four |
| Answer» D. stage four | |
| 45. |
The components of sweat are |
| A. | water |
| B. | urea |
| C. | inorganic salts |
| D. | all of above |
| Answer» E. | |
| 46. |
In next half century, number of people over age 75 will rise from 8 million to |
| A. | 10 million |
| B. | 12.5 million |
| C. | 14.5 million |
| D. | 15.5 million |
| Answer» D. 15.5 million | |
| 47. |
Renal pelvis is the enlarged portion of |
| A. | renal artery |
| B. | renal vein |
| C. | hilus |
| D. | ureters |
| Answer» E. | |
| 48. |
Function of sebum does not include |
| A. | hair lubrication |
| B. | skin dehydration |
| C. | inhibiting bacterial growth |
| D. | keeping hair smooth and shiny |
| Answer» C. inhibiting bacterial growth | |
| 49. |
Function of rectus muscles is to |
| A. | help the eye blink |
| B. | hold the eye in the depression in the skull |
| C. | attach the eye to the orbit |
| D. | hold the eye in the space |
| Answer» D. hold the eye in the space | |
| 50. |
Sweat gland like hair follicle, is formed due to |
| A. | down growth of epidermis |
| B. | up growth of dermis |
| C. | very active cell divisions in dermis |
| D. | presence of rich blood capillaries |
| Answer» B. up growth of dermis | |