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.
| 1401. |
How many pairs of spinal nerves arise along the spinal cord? |
| A. | 12 |
| B. | 22 |
| C. | 31 |
| D. | 41 |
| Answer» D. 41 | |
| 1402. |
Eyes of cats and dogs shine at night due to the presence of |
| A. | cataract |
| B. | optic disc |
| C. | Tapetum |
| D. | eye lens |
| Answer» D. eye lens | |
| 1403. |
In the human body, the bones become more brittle because of |
| A. | decreased vitamin a level |
| B. | increased calcium salt absorption |
| C. | decreased calcium salt absorption |
| D. | increased vitamin a level |
| Answer» C. decreased calcium salt absorption | |
| 1404. |
In the iris, the round hole present in it is called |
| A. | choroid |
| B. | pupil |
| C. | iris |
| D. | cornea |
| Answer» C. iris | |
| 1405. |
The largest endocrine gland in humans is |
| A. | adrenal |
| B. | thyroid |
| C. | pituitary |
| D. | vasopressin |
| Answer» C. pituitary | |
| 1406. |
The dark color is given to the inner eye by |
| A. | choroid |
| B. | cornea |
| C. | retina |
| D. | cornea |
| Answer» B. cornea | |
| 1407. |
The blind spot is so-called due to the absence of |
| A. | rods |
| B. | cones |
| C. | rods and cones |
| D. | retina |
| Answer» D. retina | |
| 1408. |
The liquid used to prevent infection by applying it on bruises and cuts is called |
| A. | tincture of glycerol |
| B. | tincture of glycerin and iodine |
| C. | tincture of silver nitrate |
| D. | tincture of iodine |
| Answer» E. | |
| 1409. |
The narcotics that are derived from opium are |
| A. | codeine and morphine |
| B. | morphine and endorphin |
| C. | tetracycline and morphine |
| D. | Panadol and codeine |
| Answer» B. morphine and endorphin | |
| 1410. |
The antibiotic penicillin was discovered by |
| A. | joseph |
| B. | alexander |
| C. | Wilmoth |
| D. | pasture |
| Answer» C. Wilmoth | |
| 1411. |
Diazepam is an example of |
| A. | vaccines |
| B. | sedatives |
| C. | antibiotics |
| D. | analgesics |
| Answer» C. antibiotics | |
| 1412. |
Which of the following is made from the leaves of foxglove? |
| A. | digitalis |
| B. | morphine |
| C. | streptomycin |
| D. | aspirin |
| Answer» B. morphine | |
| 1413. |
Semen contains 10 percent sperms and 90 percent |
| A. | salts |
| B. | sugar |
| C. | fluid |
| D. | ions |
| Answer» D. ions | |
| 1414. |
The color of the calyx is |
| A. | green |
| B. | brown |
| C. | yellow |
| D. | mustard |
| Answer» B. brown | |
| 1415. |
The main aim of Pakistan's federal minister is the reduction of |
| A. | Human Immunodeficiency Virus (HIV) |
| B. | acquired immunodeficiency syndrome (AIDS) |
| C. | Tuberculosis |
| D. | Sexually Transmitted Diseases (STDS) |
| Answer» E. | |
| 1416. |
Fish and amphibians show fertilization that is |
| A. | internal |
| B. | external |
| C. | complete |
| D. | incomplete |
| Answer» C. complete | |
| 1417. |
The water, birds, bees, winds and other animals are all the agents of |
| A. | self pollination |
| B. | nuclei pollination |
| C. | ovule pollination |
| D. | cross pollination |
| Answer» E. | |
| 1418. |
Genetic engineering can be used to cure |
| A. | stomach ulcer |
| B. | brain cancer |
| C. | thalassemia |
| D. | tuberculosis |
| Answer» D. tuberculosis | |
| 1419. |
What type of process fermentation is? |
| A. | continuous process |
| B. | discontinuous process |
| C. | long process |
| D. | difficult process |
| Answer» C. long process | |
| 1420. |
The substrate used by microorganisms to produce single-cell proteins includes |
| A. | methane gas |
| B. | industrial wastes |
| C. | agricultural wastes |
| D. | all of above |
| Answer» E. | |
| 1421. |
Acrylic acid is produced by using |
| A. | aspergillus |
| B. | bacillus |
| C. | saccharomyces |
| D. | bacteria |
| Answer» C. saccharomyces | |
| 1422. |
Anti-viral proteins produced by cells infected with viruses are called |
| A. | urokinase |
| B. | hemophilia |
| C. | interferons |
| D. | antibiotics |
| Answer» D. antibiotics | |
| 1423. |
The end of the muscle which is attached to some movable bone is called |
| A. | insertion |
| B. | extensor |
| C. | antagonist |
| D. | origin |
| Answer» B. extensor | |
| 1424. |
The cartilage which is less flexible because of the presence of thick collagen fibers and is very tough is called |
| A. | fibrous cartilage |
| B. | inelastic cartilage |
| C. | hyaline cartilage |
| D. | elastic cartilage |
| Answer» B. inelastic cartilage | |
| 1425. |
Inflammation in joints is called |
| A. | arthritis |
| B. | osteoporosis |
| C. | joint inflammation |
| D. | none of above |
| Answer» B. osteoporosis | |
| 1426. |
The number of facial bones in the human body skeleton is |
| A. | 10 bones |
| B. | 12 bones |
| C. | 14 bones |
| D. | 15 bones |
| Answer» D. 15 bones | |
| 1427. |
In appendicular skeleton, the 54 bones together composed the structure of |
| A. | hands only |
| B. | feet only |
| C. | legs |
| D. | hands and feet |
| Answer» E. | |
| 1428. |
All are true about muscles, but that they can |
| A. | pull |
| B. | contract |
| C. | relax |
| D. | push |
| Answer» E. | |
| 1429. |
The joints in the human body that allows no movement is called |
| A. | ball-and-socket joints |
| B. | moveable joints |
| C. | slightly moveable joints |
| D. | immoveable joints |
| Answer» E. | |
| 1430. |
Joints between the skull bones are called |
| A. | slightly moveable joints |
| B. | fixed joints |
| C. | ball and socket joints |
| D. | moveable joints |
| Answer» C. ball and socket joints | |
| 1431. |
Bones and cartilages are made of |
| A. | dead cells |
| B. | white blood cells |
| C. | red blood cells |
| D. | living cells |
| Answer» E. | |
| 1432. |
The phenomena in which one muscle contracts while the other muscle relaxes is called |
| A. | extremism |
| B. | extensism |
| C. | protagonist |
| D. | antagonism |
| Answer» E. | |
| 1433. |
The forests clearing by the humans or natural causes are classified as |
| A. | urbanization |
| B. | localization |
| C. | deforestation |
| D. | replantation |
| Answer» D. replantation | |
| 1434. |
The floating photosynthetic organisms are considered as main producers in |
| A. | chemical ecosystem |
| B. | mechanical ecosystem |
| C. | terrestrial ecosystem |
| D. | aquatic ecosystem |
| Answer» E. | |
| 1435. |
The organisms that are capable to synthesize organic compounds into simple raw materials are called |
| A. | tertiary consumers |
| B. | producers |
| C. | primary consumers |
| D. | secondary consumers |
| Answer» C. primary consumers | |
| 1436. |
The representation of the total number of individuals for per unit area at different trophic levels graphically is classified as |
| A. | pyramid of numbers |
| B. | pyramid of primary consumers |
| C. | pyramid of biomass |
| D. | pyramid of decomposers |
| Answer» B. pyramid of primary consumers | |
| 1437. |
The organisms form the basis of ecosystem |
| A. | producer |
| B. | consumer |
| C. | decomposer |
| D. | biotic components |
| Answer» B. consumer | |
| 1438. |
What is the term used for a genotype in which the gene pair contains two identical alleles? |
| A. | homozygous genotype |
| B. | heterozygous genotype |
| C. | heterozygous phenotype |
| D. | homozygous phenotype |
| Answer» B. heterozygous genotype | |
| 1439. |
The Gregor Mendel was a priest in |
| A. | Copenhagen |
| B. | Austria |
| C. | Australia |
| D. | Denmark |
| Answer» C. Australia | |
| 1440. |
The types of genotype include |
| A. | homozygous genotype only |
| B. | heterozygous genotype only |
| C. | nucleosomes genotype |
| D. | homozygous and heterozygous genotype |
| Answer» E. | |
| 1441. |
ABO blood group is controlled by gene |
| A. | M |
| B. | N |
| C. | I |
| D. | AB |
| Answer» D. AB | |
| 1442. |
The book of Charles Darwin "On the Origin of Species " was published in |
| A. | 1868 |
| B. | 1859 |
| C. | 1862 |
| D. | 1864 |
| Answer» C. 1862 | |
| 1443. |
The ciliary muscles to which lens of the eye is attached with the help of the ring of suspensor |
| A. | sclera |
| B. | ligament |
| C. | muscles |
| D. | choroid |
| Answer» C. muscles | |
| 1444. |
The eardrum is also called |
| A. | tympanum |
| B. | pinna |
| C. | auditory canal |
| D. | vestibule |
| Answer» B. pinna | |
| 1445. |
When ciliary muscles contract, the lens becomes |
| A. | more convex |
| B. | less convex |
| C. | flat |
| D. | remains same |
| Answer» B. less convex | |
| 1446. |
In the autonomic nervous system, the system which promotes digestion slows the breathing rate and heartbeat is called |
| A. | sympathetic nervous system |
| B. | prosympathetic nervous system |
| C. | parasympathetic nervous system |
| D. | none of above |
| Answer» D. none of above | |
| 1447. |
The somatic nervous system is responsible for |
| A. | voluntary actions |
| B. | involuntary actions |
| C. | "fight or flight" response |
| D. | do or die response |
| Answer» B. involuntary actions | |
| 1448. |
Temperature and dampness of auditory canal is maintained by |
| A. | special fluid |
| B. | pinna |
| C. | tympanum |
| D. | wax and hair |
| Answer» E. | |
| 1449. |
Nodes of Ranvier are present between the areas of myelin on an |
| A. | dendrite |
| B. | myelin sheath |
| C. | axon |
| D. | cell body |
| Answer» D. cell body | |
| 1450. |
Rods and cones are contained by |
| A. | choroid |
| B. | cornea |
| C. | retina |
| D. | fovea |
| Answer» D. fovea | |