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.
| 301. |
Fermentation of powder is done by |
| A. | bacteria |
| B. | virus |
| C. | yeast |
| D. | rhizome |
| Answer» D. rhizome | |
| 302. |
The anti-viral proteins that are produced by virus-infected cells are called |
| A. | interferon |
| B. | Thymosin |
| C. | beta-endorphin |
| D. | urokinase |
| Answer» B. Thymosin | |
| 303. |
Some plants have been made by genetic engineering which can fix atmospheric |
| A. | carbon |
| B. | nitrogen |
| C. | oxygen |
| D. | sulphur |
| Answer» C. oxygen | |
| 304. |
The third step of genetic engineering is |
| A. | isolation of gene interest |
| B. | insertion of gene into vector |
| C. | transfer of recombinant DNA |
| D. | expression of gene |
| Answer» D. expression of gene | |
| 305. |
Considering bread production, the fermentation is caused by |
| A. | carbolic acid |
| B. | carbon dioxide |
| C. | methane |
| D. | ethane |
| Answer» C. methane | |
| 306. |
The word SCP stands for |
| A. | single cell protein |
| B. | single cell properties |
| C. | single side protein |
| D. | specific cell protein |
| Answer» B. single cell properties | |
| 307. |
The first step of genetic engineering is |
| A. | isolation of gene interest |
| B. | insertion of gene into vector |
| C. | growth of genetically modified organism |
| D. | expression of gene |
| Answer» B. insertion of gene into vector | |
| 308. |
50 kilograms of yeast produces about 250 tons of protein within |
| A. | 23 hours |
| B. | 24 hours |
| C. | 25 hours |
| D. | 21 hours |
| Answer» C. 25 hours | |
| 309. |
In carbohydrate (CnH2mOm) fermentation, the glucose molecule (C6H12O6) is broken into molecules of |
| A. | pyruvic acid |
| B. | nitric acid |
| C. | sulphuric acid |
| D. | hydrochloric acid |
| Answer» B. nitric acid | |
| 310. |
The ethanol is used at the industry level for the |
| A. | production of vinegar |
| B. | production of cosmetics |
| C. | production of plastics |
| D. | leather treatment |
| Answer» B. production of cosmetics | |
| 311. |
In fermentation, products are made by the culture of |
| A. | bacteria |
| B. | viruses |
| C. | micro-organisms |
| D. | fungi |
| Answer» D. fungi | |
| 312. |
The alcoholic fermentation is carried by the yeast known as |
| A. | Wilmot cerevisiae |
| B. | saccharomyces cerevisiae |
| C. | lactobacillus |
| D. | lactobacillus cerevisiae |
| Answer» C. lactobacillus | |
| 313. |
The organisms that have modified genetic set-up are classified as |
| A. | bio enzymes |
| B. | transgenic |
| C. | genomes |
| D. | microbes |
| Answer» C. genomes | |
| 314. |
The common example of a fermented dairy product is |
| A. | bread and buns |
| B. | cheese and yogurt |
| C. | pickles |
| D. | beer |
| Answer» C. pickles | |
| 315. |
The scientist Louis Pasteur proposed that microbial activity is the cause of all fermentations in |
| A. | 1869 |
| B. | 1857 |
| C. | 1862 |
| D. | 1867 |
| Answer» C. 1862 | |
| 316. |
The process through which glucose molecules (C6H12O6) release energy is called |
| A. | oxidation-reduction |
| B. | nitrogen reduction |
| C. | oxygen reduction |
| D. | nitrogen oxidation |
| Answer» B. nitrogen reduction | |
| 317. |
Lan Wilmut produced a sheep from the body of adult sheep that was named |
| A. | dolly |
| B. | Polly |
| C. | genetic sheep |
| D. | artificial sheep |
| Answer» B. Polly | |
| 318. |
In 1944 it was proved that DNA carries the |
| A. | hereditary information |
| B. | genetics information |
| C. | chromosomal information |
| D. | RNA information |
| Answer» C. chromosomal information | |
| 319. |
The hormone created by genetic engineering which is effective for lung and brain cancer is known as |
| A. | esomeprazole |
| B. | atorvastatin |
| C. | Thymosin |
| D. | thyroxin |
| Answer» D. thyroxin | |
| 320. |
Fermenter allow the production of material in |
| A. | small amount |
| B. | fixed amount |
| C. | bulk amount |
| D. | variable amount |
| Answer» D. variable amount | |
| 321. |
A device used to provide an optimum environment for the growth of |
| A. | bacteria |
| B. | aspergillus |
| C. | micro-organisms |
| D. | saccharomyces |
| Answer» D. saccharomyces | |
| 322. |
The applications of fermentation include |
| A. | cereal products |
| B. | dairy products |
| C. | beverage products |
| D. | all of above |
| Answer» E. | |
| 323. |
The formic acid is used at the industry level for the |
| A. | production of plastics |
| B. | leather treatment |
| C. | production of vinegar |
| D. | production of cosmetics |
| Answer» C. production of vinegar | |
| 324. |
Which one of them is a fermented food? |
| A. | sugar |
| B. | butter |
| C. | bread |
| D. | pickles |
| Answer» E. | |
| 325. |
The pain killer produced with the help of genetic engineering for the brain is known as |
| A. | alpha-endorphin |
| B. | alpha-endorphin |
| C. | gamma-endorphin |
| D. | beta-endorphin |
| Answer» E. | |
| 326. |
The carbon dioxide (CO2) is removed in alcoholic fermentation from |
| A. | pyruvic acid |
| B. | nitric acid |
| C. | sulphuric acid |
| D. | hydrochloric acid |
| Answer» B. nitric acid | |
| 327. |
Human began to use microorganism as early as |
| A. | 3000bc |
| B. | 4000bc |
| C. | 5000bc |
| D. | 7000bc |
| Answer» C. 5000bc | |
| 328. |
The attached interest gene and vector Deoxyribonucleic Acid (DNA) are collectively known as |
| A. | expressed DNA |
| B. | restricted DNA |
| C. | isolated DNA |
| D. | recombinant DNA |
| Answer» E. | |
| 329. |
The idea of sterile surgery was promoted by |
| A. | Alexander Flemming |
| B. | Bu Ali Sina |
| C. | Joseph Lister |
| D. | Ali ibn Isa |
| Answer» D. Ali ibn Isa | |
| 330. |
The drugs that are synthesized in laboratories and are not available naturally are called |
| A. | nucleases drugs |
| B. | synthetic drugs |
| C. | addictive drugs |
| D. | coli bacterium drugs |
| Answer» C. addictive drugs | |
| 331. |
The kind of hallucinogen which is usually smoked is known as |
| A. | mescaline |
| B. | codeine |
| C. | marijuana |
| D. | heroine |
| Answer» D. heroine | |
| 332. |
The antibiotics that are used to kill bacteria are classified as |
| A. | bactericidal |
| B. | bacteriostatic |
| C. | sulfonamides |
| D. | single cell protein |
| Answer» B. bacteriostatic | |
| 333. |
Which of the following reduces the possibility of infections on the skin? |
| A. | disinfectants |
| B. | antibiotics |
| C. | sedatives |
| D. | antiseptics |
| Answer» E. | |
| 334. |
Which of the following work by stopping bacterial growth? |
| A. | analgesics |
| B. | vaccines |
| C. | bactericidal antibiotics |
| D. | bacteriostatic antibiotics |
| Answer» E. | |
| 335. |
The lymphocytes that recognize dead pathogens and produce antibodies against them are called |
| A. | c-lymphocytes |
| B. | d-lymphocytes |
| C. | lymphocytes |
| D. | a-lymphocytes |
| Answer» D. a-lymphocytes | |
| 336. |
The fungus from which the antibiotic penicillin is derived is called |
| A. | streptococcus |
| B. | Pencillium notatum |
| C. | foxglove notatum |
| D. | lactobacillus |
| Answer» C. foxglove notatum | |
| 337. |
The English surgeon who promoted the idea of sterilizing surgical instruments is |
| A. | Ian Wilmot |
| B. | J. De Lamarck |
| C. | Sir Alexander Fleming |
| D. | Joseph Lister |
| Answer» E. | |
| 338. |
The vaccines are used to treat |
| A. | small pox |
| B. | hepatitis B |
| C. | whooping cough |
| D. | all of above |
| Answer» E. | |
| 339. |
Tetracycline is an example of |
| A. | vaccines |
| B. | sedatives |
| C. | antibiotics |
| D. | analgesics |
| Answer» D. analgesics | |
| 340. |
Bacteriostatic antibiotics are used to |
| A. | kill the bacteria |
| B. | weaken the bacteria |
| C. | grow the bacteria |
| D. | stop the bacterial growth |
| Answer» E. | |
| 341. |
Which of the following inhibit bacterial protein synthesis? |
| A. | tetracycline's |
| B. | cephalosporin |
| C. | sulfonamides |
| D. | sedatives |
| Answer» B. cephalosporin | |
| 342. |
The most common method of vaccination is by |
| A. | injections |
| B. | drops |
| C. | tablets |
| D. | drips |
| Answer» B. drops | |
| 343. |
Considering the medicinal drugs, the example of sedative drugs is |
| A. | tetracycline |
| B. | diazepam |
| C. | digitalis |
| D. | Panadol |
| Answer» C. digitalis | |
| 344. |
The medicines reduce the pain |
| A. | analgesics |
| B. | antibiotics |
| C. | vaccines |
| D. | sedatives |
| Answer» B. antibiotics | |
| 345. |
Which of the following inhibit bacteria and treat bacterial infections? |
| A. | vaccines |
| B. | sedatives |
| C. | antibiotics |
| D. | analgesics |
| Answer» D. analgesics | |
| 346. |
Which of the following inhibits folic acid synthesis in bacteria? |
| A. | tetracycline's |
| B. | cephalosporin |
| C. | sulfonamides |
| D. | sedatives |
| Answer» D. sedatives | |
| 347. |
The semi-synthetic drug (heroin) is made from |
| A. | psilocin |
| B. | codeine |
| C. | morphine |
| D. | mescaline |
| Answer» D. mescaline | |
| 348. |
The addictive drugs made the person to |
| A. | reject them |
| B. | use them |
| C. | depend on them |
| D. | absorb them |
| Answer» D. absorb them | |
| 349. |
Any chemical substance used to diagnosis, treat or cure disease |
| A. | medical drug |
| B. | addictive drug |
| C. | pharmaceutical drug |
| D. | tablet drug |
| Answer» D. tablet drug | |
| 350. |
The drugs that are used for treating bacterial infections or to kill bacteria are called |
| A. | vaccines |
| B. | sedatives |
| C. | analgesics |
| D. | antibiotics |
| Answer» E. | |