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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.
| 901. |
In appendicular skeleton, the number of bones together composed the structure of arms and legs are |
| A. | 6 bones |
| B. | 8 bones |
| C. | 10 bones |
| D. | 4 bones |
| Answer» B. 8 bones | |
| 902. |
In the human body, the clear blue-white dense and firm connective tissue is called |
| A. | skeleton |
| B. | cartilage |
| C. | collagen |
| D. | fibers matrix |
| Answer» C. collagen | |
| 903. |
The reproductive system of females includes |
| A. | ovaries and associated ducts |
| B. | testes and associated ducts |
| C. | fallopian tubes and testes |
| D. | placenta and testes |
| Answer» B. testes and associated ducts | |
| 904. |
Hard walls formed by unicellular organisms under unfavorable conditions are called |
| A. | cell walls |
| B. | cysts |
| C. | sporangia |
| D. | spores |
| Answer» C. sporangia | |
| 905. |
The transfer of pollen grains to the flower of one plant from the flower of another plant is called |
| A. | ovule pollination |
| B. | cross pollination |
| C. | self pollination |
| D. | nuclei pollination |
| Answer» C. self pollination | |
| 906. |
Diploid oogonia are produced within |
| A. | ovaries |
| B. | polar body |
| C. | follicle |
| D. | cyst |
| Answer» D. cyst | |
| 907. |
The types of mechanism for the occurrence of fertilization are |
| A. | hypocotyls and epicotyls fertilization |
| B. | oogenesis fertilization |
| C. | spermatogenesis fertilization |
| D. | external and internal fertilization |
| Answer» E. | |
| 908. |
Considering the drugs made from fungi and other plants, the pain reliever which is made from opium is called |
| A. | endorphin |
| B. | streptomycin |
| C. | morphine |
| D. | terramycin |
| Answer» D. terramycin | |
| 909. |
The acid introduced for sterile surgery by the Joseph Lister is |
| A. | hydrochloric acid |
| B. | carbolic acid |
| C. | sulphuric acid |
| D. | nitric acid |
| Answer» C. sulphuric acid | |
| 910. |
The drug, Diazepam is used as |
| A. | analgesics |
| B. | antibiotics |
| C. | vaccines |
| D. | sedatives |
| Answer» E. | |
| 911. |
Special proteins contained by pathogens are called |
| A. | antigens |
| B. | antibodies |
| C. | enzymes |
| D. | amino acids |
| Answer» B. antibodies | |
| 912. |
The broad categories of drugs include |
| A. | addictive drugs only |
| B. | pharmaceutical drugs only |
| C. | industrial drugs |
| D. | addictive and pharmaceutical drugs |
| Answer» E. | |
| 913. |
The process which undergoes in primary spermatocytes is called |
| A. | mitosis-II |
| B. | mitosis-I |
| C. | meiosis-II |
| D. | meiosis-I |
| Answer» E. | |
| 914. |
The example of a plant that reproduces in the way of suckers is |
| A. | mint |
| B. | garlic |
| C. | ginger |
| D. | potato |
| Answer» B. garlic | |
| 915. |
The example of hypogeal germination |
| A. | maize |
| B. | rice |
| C. | wheat |
| D. | cotton |
| Answer» B. rice | |
| 916. |
Examples of winged seeds include |
| A. | Tacoma |
| B. | shorea |
| C. | tridex |
| D. | cotton |
| Answer» B. shorea | |
| 917. |
The egg cells are released from ovaries into the tubes called |
| A. | gynoecium ducts |
| B. | ovular tubes |
| C. | fallopian tubes |
| D. | fallopian testes |
| Answer» D. fallopian testes | |
| 918. |
The extensor muscle on the back of the arm is called |
| A. | biceps |
| B. | triceps |
| C. | muscles |
| D. | tissues |
| Answer» C. muscles | |
| 919. |
Gout is due to the accumulation of |
| A. | calcium |
| B. | phosphorus |
| C. | uric acid |
| D. | acetic acid |
| Answer» D. acetic acid | |
| 920. |
Considering the human skeleton, the blood vessels in cartilage are |
| A. | present |
| B. | absent |
| C. | vanished with the time |
| D. | visible with the time |
| Answer» C. vanished with the time | |
| 921. |
In some invertebrates, the skeleton is present on the outside of the body is called |
| A. | endo-collagen |
| B. | exoskeleton |
| C. | endoskeleton |
| D. | exo-collagen |
| Answer» C. endoskeleton | |
| 922. |
What are the total numbers of Cranial bones present in humans? |
| A. | 10 |
| B. | 9 |
| C. | 8 |
| D. | 7 |
| Answer» D. 7 | |
| 923. |
Hip and shoulder joints are called |
| A. | fixed joints |
| B. | slightly moveable joints |
| C. | hinge joints |
| D. | ball and socket joints |
| Answer» E. | |
| 924. |
Considering the human bones, the spongy bones consists of |
| A. | ribonucleic |
| B. | lymphocytes |
| C. | coenocytes |
| D. | bone marrow |
| Answer» E. | |
| 925. |
The bone disease in which accumulation of crystals of uric acid occurs in moveable joints is classified as |
| A. | rheumatoid osteoporosis |
| B. | gout |
| C. | osteoarthritis |
| D. | rheumatoid arthritis |
| Answer» C. osteoarthritis | |
| 926. |
Inflammation of the membranes at joints is called |
| A. | osteoarthritis |
| B. | rheumatoid arthritis |
| C. | gout |
| D. | osteoporosis |
| Answer» C. gout | |
| 927. |
The fibrous cartilage is present in |
| A. | nose, bronchial tubes and trachea |
| B. | pinna and epiglottis |
| C. | invertebral discs |
| D. | knees and ankles |
| Answer» D. knees and ankles | |
| 928. |
The process in which nitrites and nitrates are reduced into nitrogen gas by the denitrification of bacteria is called |
| A. | ammonification |
| B. | assimilation |
| C. | nitrification |
| D. | denitrification |
| Answer» E. | |
| 929. |
The petroleum burning in the air leads to the |
| A. | methane |
| B. | oxygen |
| C. | sulphur dioxide |
| D. | nitrogen dioxide |
| Answer» D. nitrogen dioxide | |
| 930. |
In the biosphere, the principal decomposers are |
| A. | birds |
| B. | grasshoppers |
| C. | protozoan |
| D. | fungi and bacteria |
| Answer» E. | |
| 931. |
Considering the kind of symbiosis, the classification of parasites includes |
| A. | endoparasite only |
| B. | ectoparasite only |
| C. | digestion parasites |
| D. | endoparasite and ectoparasite |
| Answer» E. | |
| 932. |
Considering the Earth's ecosystem, the producers are called |
| A. | autotrophs |
| B. | heterotrophs |
| C. | tertiary autotrophs |
| D. | secondary autotrophs |
| Answer» B. heterotrophs | |
| 933. |
Which of the following interacts with the central nervous system to depress its activities? |
| A. | narcotics |
| B. | sedatives |
| C. | hallucinogens |
| D. | marijuana |
| Answer» C. hallucinogens | |
| 934. |
Weakened or dead pathogens are called |
| A. | bacteria |
| B. | viruses |
| C. | analgesics |
| D. | vaccines |
| Answer» E. | |
| 935. |
The most commonly abused narcotic is |
| A. | codeine |
| B. | morphine |
| C. | diazepam |
| D. | heroin |
| Answer» E. | |
| 936. |
Which of the following interfere with the synthesis of the bacterial cell wall? |
| A. | tetracycline's |
| B. | cephalosporin |
| C. | sulfonamides |
| D. | sedatives |
| Answer» C. sulfonamides | |
| 937. |
The world's first vaccination was given by |
| A. | Edward Jenner |
| B. | Bu ali Sina |
| C. | Alexander Fleming |
| D. | Joseph Lister |
| Answer» B. Bu ali Sina | |
| 938. |
Which of the following is applied to wounds to stop bleeding and prevent infection? |
| A. | digitalis |
| B. | aspirin |
| C. | silver nitrate |
| D. | streptomycin |
| Answer» D. streptomycin | |
| 939. |
The special proteins are present in pathogens that are known as |
| A. | a-lymphocytes |
| B. | lymphocytes |
| C. | antibodies |
| D. | antigens |
| Answer» E. | |
| 940. |
The antibiotic tetracycline is classified as a broad spectrum |
| A. | bactericidal antibiotic |
| B. | bacteriostatic antibiotic |
| C. | sulfonamides antibiotic |
| D. | single cell protein antibiotics |
| Answer» C. sulfonamides antibiotic | |
| 941. |
The antibiotic penicillin is the example of drug sourced from |
| A. | bacteria |
| B. | minerals |
| C. | fungi and plants |
| D. | animals |
| Answer» D. animals | |
| 942. |
Which of the following are only effective against a few types of bacteria? |
| A. | narrow-spectrum antibiotics |
| B. | broad-spectrum antibiotics |
| C. | bactericidal antibiotics |
| D. | bacteriostatic antibiotics |
| Answer» B. broad-spectrum antibiotics | |
| 943. |
Which of the following causes fusion of the bones at joints? |
| A. | osteoarthritis |
| B. | rheumatoid arthritis |
| C. | gout |
| D. | osteoporosis |
| Answer» B. rheumatoid arthritis | |
| 944. |
The outer layer of bone which is hard is called |
| A. | soft bone |
| B. | hard bone |
| C. | compact bone |
| D. | spongy bone |
| Answer» D. spongy bone | |
| 945. |
How many bones are present in the pectoral girdle? |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» C. 6 | |
| 946. |
A framework of hard, articulated structures that provide physical support is called |
| A. | bone |
| B. | cartilage |
| C. | skeleton |
| D. | shell |
| Answer» D. shell | |
| 947. |
Lacuna a fluid-filled space present in |
| A. | center of cartilage |
| B. | top of cartilage |
| C. | bottom o f cartilage |
| D. | matrix of cartilage |
| Answer» E. | |
| 948. |
The acidity of sperms is neutralized by |
| A. | testis |
| B. | epididymis |
| C. | vas deferens |
| D. | prostate gland |
| Answer» E. | |
| 949. |
The embryo of the angiosperm seeds consists of |
| A. | radicle |
| B. | Plumule |
| C. | cotyledons |
| D. | all of above |
| Answer» E. | |
| 950. |
The kind of fission in which daughter cells from a single parent are formed at the same time is called |
| A. | octagon fission |
| B. | hexagon fission |
| C. | multiple fission |
| D. | binary fission |
| Answer» D. binary fission | |