Class XII · Biology practice

Human Health and Disease MCQs

Check your understanding, bookmark questions and revisit your mistakes.

Page score: 0/40

Choose an answer to begin.

Practice scoring: +4 correct, 0 incorrect. Filters apply to this page. Use timed tests for negative marking.

Answers and bookmarks are saved in this browser, across visits. They do not sync to your account.

446 questions in this collection · Page 33 of 45

Question 321 of 446

📘 CLASS XII

Human Health And Disease

The gene identified in normal cells that, when activated, could lead to oncogenic transformation is called cellular oncogene (c-onc) or ____.

Several genes called cellular oncogenes (c-onc) or proto oncogenes have been identified in normal cells.

Question 322 of 446

📘 CLASS XII

Human Health And Disease

Cancer is often treated by a combination of surgery, radiotherapy and ____.

Most cancers are treated by combination of surgery, radiotherapy and chemotherapy.

Question 323 of 446

📘 CLASS XII

Human Health And Disease

The drugs that are commonly abused are opioids, cannabinoids and ____ alkaloids.

The drugs, which are commonly abused are opioids, cannabinoids and coca alkaloids.

Question 324 of 446

📘 CLASS XII

Human Health And Disease

Heroin is generally taken by snorting and ____.

Heroin is generally taken by snorting and injection.

Question 325 of 446

📘 CLASS XII

Human Health And Disease

Cannabinoids interact with specific receptors present principally in the ____.

Cannabinoids interact with cannabinoid receptors present principally in the brain.

Question 326 of 446

📘 CLASS XII

Human Health And Disease

Marijuana, hashish, charas and ganja are produced from the inflorescences and leaves of the ____ plant.

The flower tops, leaves and the resin of cannabis plant are used to produce marijuana, hashish, charas and ganja.

Question 327 of 446

📘 CLASS XII

Human Health And Disease

Cocaine, commonly called coke or crack, is usually taken by ____.

Cocaine, commonly called coke or crack is usually snorted.

Question 328 of 446

📘 CLASS XII

Human Health And Disease

Morphine is a very effective ____ and pain-killer, useful in post-surgery patients.

Morphine is a very effective sedative and pain-killer.

Question 329 of 446

📘 CLASS XII

Human Health And Disease

The use of drugs or alcohol in amounts or frequency that impairs physical, physiological or psychological functions constitutes drug ____.

Taking drugs/alcohol for a purpose other than medicinal use or in amounts/frequency that impairs functions constitutes drug abuse.

Question 330 of 446

📘 CLASS XII

Human Health And Disease

The alkaloid in tobacco, nicotine, stimulates the ____ gland to release adrenaline.

Nicotine stimulates adrenal gland to release adrenaline and nor-adrenaline.

Page score: 0/40