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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.
| 1301. |
A paper-thin or thick and hard layer that protects the embryo is called |
| A. | Plumule |
| B. | hilum |
| C. | radicle |
| D. | seed coat |
| Answer» E. | |
| 1302. |
Inner whorls at bud stage are protected by |
| A. | sepals |
| B. | petals |
| C. | calyx |
| D. | corolla |
| Answer» B. petals | |
| 1303. |
Which of the following is not true about reproduction? |
| A. | it is an essential life process |
| B. | it is one of the fundamental characteristics of living things |
| C. | species cannot survive without reproduction |
| D. | none of above |
| Answer» B. it is one of the fundamental characteristics of living things | |
| 1304. |
The type of asexual reproduction in which the bud is developed on the body of a parent in the form of small outgrowth is called |
| A. | budding |
| B. | spore formation |
| C. | fragmentation |
| D. | binary fission |
| Answer» B. spore formation | |
| 1305. |
The lice, leeches, and mosquitoes are considered as examples of |
| A. | endoparasite |
| B. | ectoparasite |
| C. | digestion parasites |
| D. | synthetic parasites |
| Answer» C. digestion parasites | |
| 1306. |
The one of major environmental issue is |
| A. | water pollution |
| B. | land pollution |
| C. | soil pollution |
| D. | air pollution |
| Answer» E. | |
| 1307. |
An aquarium is an example of |
| A. | natural ecosystems |
| B. | artificial ecosystems |
| C. | biosphere |
| D. | community |
| Answer» C. biosphere | |
| 1308. |
Considering the following, the biotic components of the ecosystem includes |
| A. | basic elements |
| B. | water and soil |
| C. | air and light |
| D. | plants and cattle |
| Answer» E. | |
| 1309. |
A group of the organism of same species at the same place and the same time is |
| A. | individual |
| B. | ecosystem |
| C. | community |
| D. | population |
| Answer» E. | |
| 1310. |
Interferons are antiviral which belongs to |
| A. | starch |
| B. | carbohydrates |
| C. | lipids |
| D. | proteins |
| Answer» E. | |
| 1311. |
The scientist who proposed that microbial activity is the cause of all fermentations is |
| A. | Ibn al Haithem |
| B. | Gregor Mendel |
| C. | Louis Pasteur |
| D. | Ian Wilmot |
| Answer» D. Ian Wilmot | |
| 1312. |
The procedure in which oxidation-reduction of glucose (C6H12O6) is incomplete is called |
| A. | fertilization |
| B. | reduction |
| C. | oxidation |
| D. | fermentation |
| Answer» E. | |
| 1313. |
Genetic engineering developed in mid |
| A. | 1960 |
| B. | 1950 |
| C. | 1970 |
| D. | 1980 |
| Answer» D. 1980 | |
| 1314. |
Considering the fermentation at the industrial level, the microorganism Saccharomyces is used to form |
| A. | glycerol only |
| B. | ethanol only |
| C. | formic acid |
| D. | glycerols and ethanol |
| Answer» E. | |
| 1315. |
The E. coli bacterium was created in |
| A. | 1981 |
| B. | 1977 |
| C. | 1985 |
| D. | 1979 |
| Answer» C. 1985 | |
| 1316. |
The bacterium which can synthesize human growth hormone is known as |
| A. | E. Coli bacterium |
| B. | H. Coli bacterium |
| C. | X. Coli bacterium |
| D. | I. Coli bacterium |
| Answer» B. H. Coli bacterium | |
| 1317. |
The common example of a fermented beverage product is |
| A. | pickles |
| B. | beer |
| C. | bread and buns |
| D. | cheese and yogurt |
| Answer» C. bread and buns | |
| 1318. |
The use of living organisms in processes for the manufacture of useful products is called |
| A. | biotechnology |
| B. | pharmacology |
| C. | genetics |
| D. | morphology |
| Answer» B. pharmacology | |
| 1319. |
By using the single-cell protein, the amount of protein produced by 50 kg of yeast is |
| A. | 180 tons |
| B. | 100 tons |
| C. | 300 tons |
| D. | 250 tons |
| Answer» E. | |
| 1320. |
The methane (CH4), carbon dioxide (CO2) and ozone (O3) are classified as |
| A. | co-dominance gases |
| B. | dominance gases |
| C. | greenhouse gases |
| D. | acidic gases |
| Answer» D. acidic gases | |
| 1321. |
The interaction between two plants or animals of different species is classified as |
| A. | predation |
| B. | competition |
| C. | symbiosis |
| D. | commensalism |
| Answer» B. competition | |
| 1322. |
The parasites that live on the surface of the host's body are called |
| A. | temporary parasites |
| B. | ectoparasite |
| C. | endoparasite |
| D. | permanent parasites |
| Answer» C. endoparasite | |
| 1323. |
The organism on which the predators are fed is called |
| A. | assimilator |
| B. | competitor |
| C. | prey |
| D. | predators |
| Answer» D. predators | |
| 1324. |
The oxides present in Acid rains are Sulphur and |
| A. | nitrogen |
| B. | ammonia |
| C. | carbon |
| D. | oxygen |
| Answer» B. ammonia | |
| 1325. |
The diagram which is used to predict the outcome of specific breeding or cross experiment is called |
| A. | Punnett square |
| B. | Mendel square |
| C. | inheritance square |
| D. | dominance square |
| Answer» B. Mendel square | |
| 1326. |
Evolutionary changes are always |
| A. | non inherited |
| B. | inherited |
| C. | dominant |
| D. | recessive |
| Answer» C. dominant | |
| 1327. |
The variations that are controlled by a large number of gene alleles are called |
| A. | independent variations |
| B. | discontinuous variations |
| C. | continuous variations |
| D. | intermediate variations |
| Answer» D. intermediate variations | |
| 1328. |
What is the term used for the alternate forms of a gene? |
| A. | dominant |
| B. | recessive |
| C. | genotype |
| D. | alleles |
| Answer» E. | |
| 1329. |
On comparing wrinkled seeded plant and round-seeded plant, the wrinkled-seeded pea plant is classified as |
| A. | recessive |
| B. | phenotype |
| C. | genotype |
| D. | dominant |
| Answer» B. phenotype | |
| 1330. |
The medicinal drugs that develop immunity against bacterial and viral infections are called |
| A. | sedatives |
| B. | analgesics |
| C. | antibiotics |
| D. | vaccines |
| Answer» E. | |
| 1331. |
One of the most commonly used drugs |
| A. | heroine |
| B. | psilocin |
| C. | codeine |
| D. | marijuana |
| Answer» E. | |
| 1332. |
Morphine and codeine are derived from |
| A. | rose |
| B. | eucalyptus |
| C. | opium |
| D. | pea plant |
| Answer» D. pea plant | |
| 1333. |
Which of the following are used to treat a wide range of infections? |
| A. | disinfectants |
| B. | vaccines |
| C. | narrow-spectrum antibiotics |
| D. | broad-spectrum antibiotics |
| Answer» E. | |
| 1334. |
The tetracycline is used in the treatment of |
| A. | urinary tract infection |
| B. | bronchitis |
| C. | tonsillitis |
| D. | pneumonia |
| Answer» B. bronchitis | |
| 1335. |
Level of calcium ions in the blood is decreased by |
| A. | thyroxin |
| B. | parathormone |
| C. | calcitonin |
| D. | estrogen |
| Answer» D. estrogen | |
| 1336. |
Special neuroglial cells located at regular intervals along axons are called |
| A. | nerve cells |
| B. | embryonic stem cells |
| C. | Schwann cells |
| D. | ganglia |
| Answer» D. ganglia | |
| 1337. |
Eyelids spread tears on eyes that have substances for fighting |
| A. | virus infection |
| B. | bacterial infection |
| C. | germs infection |
| D. | eye infection |
| Answer» C. germs infection | |
| 1338. |
Most of the white color of the eye is given by |
| A. | sclera |
| B. | cornea |
| C. | retina |
| D. | choroid |
| Answer» B. cornea | |
| 1339. |
A disorder in which discharge of nerve impulse is abnormal |
| A. | paralysis |
| B. | epilepsy |
| C. | brain stroke |
| D. | brain tumor |
| Answer» A. paralysis | |
| 1340. |
The ecosystem in which maximum biomass is present in the form of producers is called |
| A. | primary ecosystem |
| B. | secondary ecosystem |
| C. | terrestrial ecosystem |
| D. | aquatic ecosystem |
| Answer» D. aquatic ecosystem | |
| 1341. |
Considering the pyramid of numbers, the consumers that are of minimum in number and larger are called |
| A. | tertiary decomposers |
| B. | secondary decomposers |
| C. | tertiary consumers |
| D. | producers |
| Answer» D. producers | |
| 1342. |
The natural gas, coal, and petroleum are all examples of |
| A. | kinematics fuels |
| B. | fossil fuels |
| C. | biomass fuels |
| D. | geochemical fuels |
| Answer» C. biomass fuels | |
| 1343. |
During the metabolic activities, the stored energy in the tissues of plants is transformed into |
| A. | mechanical energy |
| B. | tidal energy |
| C. | hydro energy |
| D. | chemical energy |
| Answer» B. tidal energy | |
| 1344. |
The brain is protected and brain tissue is provided with nutrients and oxygen by |
| A. | cranium |
| B. | meninges |
| C. | skull |
| D. | ventricles |
| Answer» C. skull | |
| 1345. |
The control of pituitary gland secretion is controlled by |
| A. | cranium |
| B. | hypothalamus |
| C. | thalamus |
| D. | cerebrospinal |
| Answer» C. thalamus | |
| 1346. |
The choroid gives the eye its |
| A. | vision |
| B. | eyelashes growth |
| C. | dark color |
| D. | white color |
| Answer» D. white color | |
| 1347. |
In the disorders of the eyes, the hypermetropia is caused by |
| A. | elongation of eyeball |
| B. | shortness of eyeball |
| C. | shrinkage of iodopsin |
| D. | shrinkage of rhodopsin |
| Answer» C. shrinkage of iodopsin | |
| 1348. |
Motor pathway conducts impulses from |
| A. | receptors to central nervous system |
| B. | central nervous system to effectors |
| C. | glands to effectors |
| D. | glands to receptors |
| Answer» C. glands to effectors | |
| 1349. |
The layer of eyeball consisting of sclera and cornea is called |
| A. | inner layer |
| B. | middle layer |
| C. | thin layer |
| D. | outer layer |
| Answer» E. | |
| 1350. |
The coordinators receive the information from receptors in the form of |
| A. | glands |
| B. | chemicals |
| C. | hormones |
| D. | impulses |
| Answer» C. hormones | |