Top 500+ 10th Class Biology Subject Mcqs Pdf Download Chapter 18

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Top 500+ 10th Class Biology Subject Mcqs Pdf Download
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Top 500+ New Biology Subject MCQs with Answers | Download PDF



Encircle the most appropriate answer from the following options

1.         Antibiotics are used for the;

(a) Treatment of viral infections

(b) Treatment of bacterial infections

(c) Immunization against infections

(d) Both a and b

2.         The product used for the treatment, cure, prevention or diagnosis of disease are called;

(a) Medicinal drugs

(b) Narcotics

(c) Hallucinogens

(d) Sedatives

3.         Aspirin is categorized as:

(a) A drug from animals

(b) A synthetic drug

(c) A drug from plants

(d) A drug from minerals

4.         The drugs used to reduce pain are known as;

(a) Analgesics          

(b) Antiseptics

(c) Antibiotics 

(d) Sedatives

5.         Which among the following drugs is derived  from plants

(a) Aspirin

(b) Opium

(c) Cephalosporin

(d) InsUlin

6.         Which among of these addictive drugs are  used as painkillers?

(a) Narcotics

(b) Sedatives

(c) Hallucinogens

(d) All can be used

7.         Sulfonamides affect bacteria in the  following way:  

(a) Break the cell wall

(b) Inhibit protein synthesis

(c) Stop the synthesis of new cell wall

(d) Stop the synthesis of folic acid

8.         What is true about vaccines?

(a) Protect against the future viral and bacterial infections

(b) Treat the existing bacterial infections only

(c) Treat existing infections and also protect against future infections

(d) Protect against viral infections only

9.       Until 1890, the subject pharmacology was known as:

(a) Clinical pharmacology      

(b) Materia Medica

(c) Pharmacy

(d) All of these

10.       A cardiotonic digitalis is obtained from  a plant:

(a) Poppy       

(b) Fungi

(c) Cannabis  

(d) Foxglove

11.         The role of antiseptics is:

(a) pestroy microorganisms

(b) Kill bacteria

(c) Inhibit bacteria

(d) Reduce possibility of infections 

12.        Who introduced the idea of sterile surgery for first time?

(a). Alexander Fleming

(b) Joseph Lister

(c) Pasteur

(d) A stot

13.        When Sir Alexander Fleming was  awarded Nobel prize on the discovery  of penicillin?

(a) 11881        

(b) 1955 

(c) 1945          

(d) 1912

14.        Expired drugs can cause damage to:

(a) Heart         

(b) Brain

(c) Kidneys   

(d) Stomach

15.        The most prescribed medications in modern medicine are:

(a) Antibiotics

(b) Sedatives

(c) Cardiotonics

(d) Hallucinogens

16.       A medicine for lowering blood pressure, which has sulfonamide group is: (a) Aspirin

(b) Penicillin

(c) Thiazide diuretics

(d) Terramycin

17.       Edward Jenner introduced the world’s first:

(a) Vaccination

(b) Antigen

(c) Antibiotics

(d) Addictive drugs

18.       In case of tetanus vaccination which is for limited time, are used for continuous protection.

(a) B-Lymphocytes

(b) Booster shots

(c) Antibiotics

(d) None of these

19.       The methods  of administering vaccines is/are;

(a) Injection    

(b) Mouth

(c) Nasal spray

(d) All of the above

20.        When the antibiotics are not Effective against viral infection then it will called;

(a) Efficiency 

(b) Efficacy

(c) Inefficiency           

(d) resistance

21.       The medicine reduces the pain;

(a) Aspirin     

(b) Quinine

(c) Chloroquine          

(d) Resochin

22.       This drug belongs to Hallucinogens;

(a) Morphine  

(b) Codeine

(c) Heroin       

(d) Mescaline

23.       Cardiotonic is used to stimulate the heart, it is made from the leaves of purple flowered plant called:

(a) Rose         

(b) Jasmine

(c) Hibiscus    

(d) Foxglove

24.       The powder form of is applied on wounds to stop bleeding and prevent infection:

(a) Ammonium nitrate

(b) Silver nitrate

(c) Sodium phosphate

(d) Sulphur

25.       Diazepam is included in:

(a) Analgesics

(b) Antibiotics

(c) Sedatives

(d) Vaccines

26.       Long term use of drug induced suicidal thoughts:

(a) Analgesics

(b) Vaccines

(c) Antibiotics 

(d) Sedatives

27.       Mescaline comes from:

(a) Mushroom

(b) Poppy plant

(c) Cactus     

(d) Sunflower

28.       The scientific name of marijuanplant is:

(a) Rosa Indica

(b) Brassica campestris

(c) Putrenzeva

(d) Cannabis sativa

29.       __ is not used in children under the age of 8 and during the period of tooth development:

(a) Cephalosporins

(b) Tetracyclines

(c) Sulpha Drugs

(d)Thiazide Diuretics

30.       In which year a British physician Edward Jenner infected a young boy with cowpox by injecting pus cells:

(a) 1786          

(b) 1696

(c) 1756          

(d) 1796

31.       Drugs obtained from animals a ré usually their __ products.

(a) Catabolic  

(b) Anabolic

(c) Waste       

(d) Glandular

32.       ___ recognize the weakened or dead pathogens as enemies and start producing antibodies against them.  

(a) Antigens    

(b) Lymphocytes      

(c) Vaccines   

(d) None

33.       __ destroy microorganisms found on non-living objects.

(a) Sedatives  

(b) Antibiotics 

(c) Disinfectants

(d) Antiseptics

34. Pathogens contain special proteins called:          

(a) Lymphocytes

(b) Antigens    

(c) Antibiotics 

(d) Antibodies 

35. Which of following is/are broad    antibiotic?

(a) Tetracyclines

(b) Sulfonamides   

(c) Cephalosporins       

(d) Tetracyclines and Sulfonamides   

36.        Which of the following drug is derived from a mushroom?

(a) Marijuana

(b) Mescaline

(c) Morphine

(d) Psilocin

37.       Antibiotics are derived’ microorganisms:

(a) Bacteria

(b) Fungi         

(c) Bacteria and Fungi

(d) Viruses      

38.       Bacteriostatics are antibiotics:

(a) Kill bacteria                        

(b) Stop bacterial growth               

(c) Enhance bacterial growth

(d) Lessen bacterial growth   

39.       Which of following is not an


(a) Penicillin

(b) Tetracycline          

(c) Thiazide diuretics

(d) Sulfa drugs

40.       Penicillin is derived from fungus

(a) Penicillium candidum

(b) Penicillium expansum

(c) Penicillium notatum

(d) Penicillium chrysogenum

41.       Example of non-prescription drug is:

(a) Aspirin

(b) Antibiotics 

(c) -Barbiturates

(d) Tranquilisers

42.       Which of following is/are an example  of prescription drug:

(a) Barbiturates and Aspirin

(b) Tranquilisers

(c) Aspirin

(d) Barbiturates and Tranquilisers

43.       Which of following is an example of  synthetic drug?

 (a) Digitalis

 (b) Penicillin

 (c) Aspirin

 (d) Streptomycin

44.      Which of the following affects production   of sperms in men? 

(a) Codeine    

(b) Morphine

(c) arhjuana  

(d) Mescaline

45.       Paracetamol is a/an:

(a) Analgesics

(b) Antibiotics 

(c) Sedatives  

(d) Vaccines   

46.       Small doses result in a feeling of well-being that lasts two to three hours.

(a) Mescaline 

(b) Marijuana

(c) Heroin       

(d) Morphine

47.       Which of the following are used to relieve  pain for patients with chronic diseases such as cancer.

(a) Sedatives

(b) Narcotics

(c) Hallucinogens       

(d) Mescaline

48. Antibiotics used to treat a few types of bacteria are called antibiotics.

(a) Broad Spectrum

(b) Narrow Spectrum

(c) Large Range spectrum

(d) Narrow and Broad Spectrum

49.       Sir Alexander Fleming is a biologist.

(a) Italian        

(b) English

(c) Scottish     

(d) Swedish

50.       Early Pharmacologist focused on:

(a) Synthetic chemical extract

(b) Microbial Extracts

(c) Plant Extracts 

(d) Animal Extracts

51.       Which cells in body provide protection against future infections?

(a) Red Blood cells

(b) Thrombocytes

(c) Memory cells

(d) Platelets

52.       Drugs which make a person dependent on them are:

(a) Antibiotics Free IL

(b) Addictive 

(c) Clinical 

(d) Non prescription

53.       Aspirin is a a/an;

(a) Prescription

(b) Non prescription 

(c) Synthetic drug

(d) Synthetic & Non-Prescription drug

54.       Medicines which are used to stimulate  heart rate are called:

(a) Antibiotics

(b) Cardiotonics

(c) Analgesics

(d) Pain killer

55.       A Cardiotonic is:

(a) Penicillin   

(b) Aspirin

(c) Digitalis   

(d) Opium

56.       Penicillin is obtained from:

(a) Plants        

(b) Fungus

(c) Animals     

(d) Bacteria

57.       From the leaves of foxglove, which is obtained?      

(a) Opium

(b) Tincture of iodine

(c) Antitoxin 

(d) Digitalis   

58.       The example of a pain reliever is;

(a) Silver nitrate

(b) Morphine

(c) Marijuana

(d) Mescaline

59.       An example of illegal addictive drug is:

(a) Marijuana

(b) Penicillin

(c) CDigitalis  

(d) Foxglove

60 Drugs which are .obtained from animals are:

(a) Musk and Beeswax        

(b) Musk

(c) Beeswax

(d) Mush and tincture of Iodine

61.       Hallucinogen which is smoked is;

(a) Datura       

(b) Marijuana

(c) Psilocin     

(d) Mescaline

62.       Which inhibits or kill bacteria?

(a) Aspirin       

(b) Tetracycline

(c) Diazepam

(d) Paracetamol

63.       Who discovered penicillin?

(a) Fleming    

(b) Lister

(c) Jenner      

(d) Louis Pasteur

64.       Which are aroused for ecstatic effects?

(a) Sedatives

(b) Hallucinogens       

(c) Narcotics

(d) Marijuana

65.       Most commonly abused Narcotic is:

(a) Morphine  

(b) Codeine

(c) Caffeine    

(d) Heroin

66.       Which is derived from Cactus?

(a) Psilocin       

(b) Diazepam 

(c) Mescaline

(d) Morphine

67.       What affects a sympathetic Nervous system?

(a) Sedative   

(b) Hallucinogens

(c) Narcotics  

(d) Analgesics

68.       High doses of  increases heart rate? 

(a) Marijuana

(b) Hashish

(c) Marijuana & Hashish 

(d) Morphine

69.       Which interfere with synthesis•ot bacterial cell wall?

(a) Cephalosporins

(b) Tetracyclines

(c) Tetracyclines & Cephalosporins

(d) Sulfonamide

70.       Which should not be used during period of tooth development?

(a) Cephalosporins

(b) Sulfonamides

(c) Tetracyclines

(d) Hallucinogens

71.       A medicine for lowering blood pressure is:

(a) Cephalosporins

(b) Sulpha drugs

(c) Tetracyclines

(d) Thiazide diuretics 

72.       Who introduced Carbolic Acid?

(a) Sir Alexander Fleming

(b) Louis Pasteur

(c) Joseph Lister

(d) Edward Jenner

73.       The example of Sedative is:

(a) Aspirin

(b) Diazepam 

(c) Carbolic acid

(d) Tetracycline        


74.       The drugs that causes changes in   perception, thought, emotion and consciousness are:

(a) Narcotics

(b) Sedatives

(c) Hallucinogens

(d) Morphine

75.       Morphine and Codeine are derived from:

(a) Poppy

(b) Foxglove 

(c) Sheesham

(d) All of these

76.       Which one is prescribed as a strange  Analgesic under the name diamorphine in many Western  countries:

(a) Paracetamol

(b) spirin

(c) Heroin

(d) Marijuana

77.       To which grand aspirin belong;

(a) Obtained from animals 

(b) Obtained from plants

(c) Synthetic

(d) Obtained from bacteria

78.       Which of the following addictive drugs is obtainéd from opium?

(a) Morphine 

(b) Marijuana

(c) Mescaline

(d) Psilocin