MCQOPTIONS
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MCQOPTIONS
This section includes 1844 Mcqs, each offering curated multiple-choice questions to sharpen your Grade10 knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The rate of reabsorption of water from nephrons is increased by |
| A. | somatotrophin |
| B. | vasopressin |
| C. | oxytocin |
| D. | Thyroid stimulating hormone |
| Answer» C. oxytocin | |
| 2. |
The part of the hindbrain which coordinates movements of muscles and is located behind medulla is classified as |
| A. | vertex of cerebrum |
| B. | cerebellum |
| C. | pons |
| D. | cortex |
| Answer» C. pons | |
| 3. |
The system of motor pathways which is responsible for voluntary and conscious actions is classified as |
| A. | autonomic nervous system |
| B. | somatic nervous system |
| C. | reflexive nervous system |
| D. | ventral nervous system |
| Answer» C. reflexive nervous system | |
| 4. |
Different processes that extend out from the cell body of a neuron are called |
| A. | nodes of ranvier |
| B. | dendrites and axons |
| C. | nerve impulses |
| D. | Schwann cells |
| Answer» C. nerve impulses | |
| 5. |
The normal range of blood glucose 2 hours after a 75-gram glucose drink is |
| A. | 200mg/1ooml |
| B. | 140mg/100ml |
| C. | 300mg/100ml |
| D. | 130mg/100ml |
| Answer» E. | |
| 6. |
The uterus of the female reproductive system opens into the |
| A. | placenta |
| B. | birth canal |
| C. | cervix |
| D. | uterus |
| Answer» C. cervix | |
| 7. |
The human cells affected in HIV are |
| A. | red blood |
| B. | platelets |
| C. | white blood |
| D. | stem |
| Answer» D. stem | |
| 8. |
The example of the plant in which vegetative propagation is occurred by leaves is called |
| A. | cannabis |
| B. | chrysanthemum |
| C. | bryophyllum |
| D. | brassica |
| Answer» D. brassica | |
| 9. |
The number of haploid microspores within each ovule is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 10. |
In rabbits, the fertilization takes place within |
| A. | vagina |
| B. | placenta |
| C. | fallopian tube |
| D. | ovary |
| Answer» D. ovary | |
| 11. |
Secretions that lubricate the ducts in the male reproductive system of the rabbit are produced by |
| A. | Cowper's gland |
| B. | prostate gland |
| C. | seminal vesicles |
| D. | seminiferous tubules |
| Answer» B. prostate gland | |
| 12. |
Out of the two sperms, the one sperm is fused with fusion nucleus (diploid) and forms the |
| A. | triploid nucleus |
| B. | haploid nucleus |
| C. | diploid nucleus |
| D. | triploid zygote |
| Answer» B. haploid nucleus | |
| 13. |
Plants having seedless fruits can be grown only by |
| A. | artificial propagation |
| B. | vegetative propagation |
| C. | artificial reproduction |
| D. | vegetative reproduction |
| Answer» C. artificial reproduction | |
| 14. |
The type of asexual reproduction in which new plants are developed by the vegetative parts of plants such as stems, leaves, and roots are called |
| A. | vegetative propagation |
| B. | diploid vegetation |
| C. | haploid vegetation |
| D. | fragmented vegetation |
| Answer» D. fragmented vegetation | |
| 15. |
The method used by farmers to increase the stock of a plant is |
| A. | artificial propagation |
| B. | vegetative propagation |
| C. | artificial reproduction |
| D. | vegetative reproduction |
| Answer» C. artificial reproduction | |
| 16. |
The oval window is responsible for the separation of |
| A. | incus and stapes |
| B. | external and middle ear |
| C. | middle and inner ear |
| D. | external ear and ear drum |
| Answer» D. external ear and ear drum | |
| 17. |
The middle ear is separated from the inner ear by |
| A. | Eustachian tube |
| B. | round window |
| C. | oval window |
| D. | external ear |
| Answer» D. external ear | |
| 18. |
When a person has hypermetropia, the image is formed |
| A. | in front of retina |
| B. | behind retina |
| C. | on blind spot |
| D. | none of above |
| Answer» C. on blind spot | |
| 19. |
In long sight disorder of eyes, the image of an object placed at a distance is formed |
| A. | behind the blind spot |
| B. | in front of retina |
| C. | behind the retina |
| D. | in front of blind spot |
| Answer» D. in front of blind spot | |
| 20. |
The hormones of endocrine glands are released in |
| A. | blood |
| B. | kidneys |
| C. | arteries of heart |
| D. | spinal cord |
| Answer» B. kidneys | |
| 21. |
The types of inheritable variations are |
| A. | independent variations only |
| B. | discontinuous variations only |
| C. | continuous variations |
| D. | independent and discontinuous variations |
| Answer» E. | |
| 22. |
Albinism is an example of |
| A. | dominance |
| B. | Recessiveness |
| C. | incomplete dominance |
| D. | complete dominance |
| Answer» C. incomplete dominance | |
| 23. |
Which of the following was selected by Mendel to perform experiments? |
| A. | mosquito |
| B. | pea plant |
| C. | banana plant |
| D. | human |
| Answer» C. banana plant | |
| 24. |
If two different alleles of a gene pair express themselves completely is called |
| A. | incomplete dominance |
| B. | co dominance |
| C. | complete dominance |
| D. | Recessiveness |
| Answer» C. complete dominance | |
| 25. |
The "Theory of Natural Selection" was proposed in |
| A. | 1852 |
| B. | 1848 |
| C. | 1845 |
| D. | 1838 |
| Answer» E. | |
| 26. |
The thick wall which surrounds each spore in sporangia is called |
| A. | sporangium |
| B. | cyst |
| C. | gymnosperms |
| D. | endospores |
| Answer» C. gymnosperms | |
| 27. |
The epicotyl elongates and forms hook during |
| A. | hypogeal germination |
| B. | Epigeal germination |
| C. | upper germination |
| D. | lower germination |
| Answer» C. upper germination | |
| 28. |
Potatoes are reproduced by |
| A. | bulbs |
| B. | corms |
| C. | rhizomes |
| D. | stem tubers |
| Answer» E. | |
| 29. |
The transfer of pollen grains to the stigma from another of other flower or same flower of the same plant is called |
| A. | ovule pollination |
| B. | cross pollination |
| C. | self pollination |
| D. | nuclei pollination |
| Answer» D. nuclei pollination | |
| 30. |
The seed coat of coconut is thick and |
| A. | soft |
| B. | thin |
| C. | hard |
| D. | shiny |
| Answer» D. shiny | |
| 31. |
The number of hydrogen between cytosine and guanine |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 32. |
The bred animals are known as breeds and bred plants are |
| A. | products |
| B. | cultivars |
| C. | species |
| D. | offsprings |
| Answer» C. species | |
| 33. |
The number of bonds between guanine and cytosine is |
| A. | four |
| B. | five |
| C. | two |
| D. | three |
| Answer» E. | |
| 34. |
The example of continuous variation includes |
| A. | feet size only |
| B. | weight only |
| C. | blood group |
| D. | feet size and weight |
| Answer» E. | |
| 35. |
The chromosomes are made up of special material of protein called |
| A. | cytosine |
| B. | thymine |
| C. | chromatin |
| D. | adenine |
| Answer» D. adenine | |
| 36. |
If somatotropin is excessively produced during growth age, then the condition that occurs is called |
| A. | gigantism |
| B. | acromegaly |
| C. | dwarfism |
| D. | albinism |
| Answer» B. acromegaly | |
| 37. |
The process which conducts impulses toward the body of the cell is classified as |
| A. | dendrites |
| B. | axons |
| C. | Schwann cells |
| D. | rotator neurons |
| Answer» B. axons | |
| 38. |
The part of the cerebrum that functions for the formation of new memories is |
| A. | hypothalamus |
| B. | medulla oblongata |
| C. | hippocampus |
| D. | olfactory bulbs |
| Answer» D. olfactory bulbs | |
| 39. |
In the inner ear, the three canals that are located posterior to the center part vestibule are classified as |
| A. | coiled canals |
| B. | semicircular canals |
| C. | circular canals |
| D. | auditory canals |
| Answer» B. semicircular canals | |
| 40. |
The destruction of walls of the alveoli is |
| A. | emphysema |
| B. | asthma |
| C. | pneumonia |
| D. | bronchitis |
| Answer» B. asthma | |
| 41. |
Which of the following is the respiratory surface in human beings? |
| A. | lungs |
| B. | alveolar ducts |
| C. | alveoli |
| D. | chest cavity |
| Answer» D. chest cavity | |
| 42. |
Which of the following is the human breathing rate at rest? |
| A. | 30-40 times per minute |
| B. | 16-20 times per minute |
| C. | 12-18 times per minute |
| D. | 25-30 times per minute |
| Answer» C. 12-18 times per minute | |
| 43. |
In animals and human beings, the lungs and the air passageway are two important parts of |
| A. | respiratory system |
| B. | epidermal system |
| C. | excretory system |
| D. | cellular system |
| Answer» B. epidermal system | |
| 44. |
The swelling of tubular walls and narrowing of tubes is |
| A. | tuberculosis |
| B. | bronchioles |
| C. | bronchitis |
| D. | asthma |
| Answer» D. asthma | |
| 45. |
The types of moveable joints are |
| A. | hinge joints only |
| B. | ball-and-socket joints only |
| C. | fixed joints |
| D. | hinge and ball- and -socket joints |
| Answer» E. | |
| 46. |
The framework of articulated structure which provides physical support and protection to human bodies is called |
| A. | skeleton |
| B. | cartilage |
| C. | collagen |
| D. | cochlea |
| Answer» B. cartilage | |
| 47. |
Cells of cartilage are called |
| A. | osteocytes |
| B. | chondrocytes |
| C. | cartilage cells |
| D. | endothelial?cells |
| Answer» C. cartilage cells | |
| 48. |
Tendons are tough bands they attach muscles to |
| A. | muscles |
| B. | bones |
| C. | joints |
| D. | ligaments |
| Answer» C. joints | |
| 49. |
Which of the following is strong yet flexible? |
| A. | hyaline cartilage |
| B. | elastic cartilage |
| C. | fibrous cartilage |
| D. | none of above |
| Answer» B. elastic cartilage | |
| 50. |
The enzyme used to dissolve blood clots is called |
| A. | urokinase |
| B. | hemophilia |
| C. | interferons |
| D. | lipase |
| Answer» B. hemophilia | |