Biology · Textbook solutions

Human Health and Diseases

Every solved example, exercise, and miscellaneous question, in the order the textbook teaches them. Plus every board question asked from this chapter. · 48 questions

Exercise

48 q

Q1. Multiple Choice Questions

Practice · 10

Multiple Choice Questions
Ex Q1(1) $Which of the following is NOT caused by unsterilized needles?$
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Ex Q1(2) $Opium derivative is ..............$
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Ex Q1(3) $The stimulant present in tea is .............$
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Ex Q1(4) $Which of the following is caused by smoking?$
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Ex Q1(5) $An antibody is ...............$
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Ex Q1(6) $The antiviral proteins released by a virus-infected cell are called ............$
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Ex Q1(7) $Both B-cells and T-cells are derived from ....................$
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Ex Q1(9) $Confirmatory test used for detecting HIV infection is .................$
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Ex Q1(10) $Elephantiasis is caused by ............$
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Ex Q1(11) $Innate immunity is provided by ...........$
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Q2. Very Short Answer Questions

Practice · 12

Very Short Answer Questions
Ex Q2(1) $What is the source of cocaine?$
Ex Q2(2) $Name one disease caused by smoking?$
Ex Q2(3) $Which cells stimulate B-cells to form antibodies?$
Ex Q2(4) $What does the abbreviation AIDS stand for?$
Ex Q2(5) $Name the causative agent of typhoid fever?$
Ex Q2(6) $What is Rh factor?$
Ex Q2(7) $What is schizont?$
Ex Q2(8) $Name the addicting component found in tobacco.$
Ex Q2(9) $Name the pathogen causing Malaria.$
Ex Q2(10) $Name the vector of Filariasis.$
Ex Q2(11) $Give the name of the causative agent of ringworm.$
Ex Q2(12) $Define health.$

Q3. Short Answer Questions

Practice · 8

Short Answer Questions:
Ex Q3(1) $What are acquired diseases?$
Ex Q3(2) $Differentiate between antigen and antibody.$
Ex Q3(3) $Name the infective stage of Plasmodium . Give any two symptoms of malaria.$
Ex Q3(4) $Explain the mode of infection and cause of elephantiasis.$
Ex Q3(5) $Why is smoking a bad habit?$
Ex Q3(6) $What do the abbreviations AIIMS and CMIS denote?$
Ex Q3(7) $What is a carcinogen? Name one chemical carcinogen with its target tissue.$
Ex Q3(8) $Distinguish between active immunity and passive immunity.$

Q4. Short Answer Questions

Practice · 10

Short Answer Questions
Ex Q4(1) $Differentiate between B-cells and T-cells.$
Ex Q4(2) $What are the symptoms of malaria? How does malaria spread?$
Ex Q4(3) $Write a short note on AIDS.$
Ex Q4(4) $Give the symptoms of cancer.$
Ex Q4(5) $Write a note on antigens on blood cells.$
Ex Q4(6) $Write a note on antigens-antibody complex.$
Ex Q4(7) $What are the various public health measures, which you would suggest as safeguard against infectious diseases?$
Ex Q4(8) $How does the transmission of each of the following diseases take place? a. Amoebiasis b. Malaria c. Ascariasis d. Pneumonia$
Ex Q4(9) $What measure would you take to prevent water-borne diseases?$
Ex Q4(10) $Write a short note on typhoid.$

Q5. Match the following

Practice · 1

Ex Q5 $Match the following. Column I Column II a. AIDS i. Antibody production b. Lysozyme ii. Activation of B-cells c. B-cells iii. Immunoglobulin d. T-helper cells iv. Tears e. Antibody v. Immuno deficiency$

Column I	Column II
a. AIDS	i. Antibody production
b. Lysozyme	ii. Activation of B-cells
c. B-cells	iii. Immunoglobulin
d. T-helper cells	iv. Tears
e. Antibody	v. Immuno deficiency

Q6. Long Answer Questions

Practice · 7

Long Answer Questions
Ex Q6(1) $Describe the structure of antibody.$
Ex Q6(2) $Write a note on Vaccination.$
Ex Q6(3) $What is cancer? Differentiate between bening tumor and malignant tumor. Name the main five types of cancer.$
Ex Q6(4) $Describe the different type of immunity.$
Ex Q6(5) $Describe the ill -effects of alcoholism on health.$
Ex Q6(6) $In your view, what motivates the youngsters to take to alcohol or drugs and how can this be avoided?$
Ex Q6(7) $Do you think that friends can influence one to take alcohol/drugs? If yes, how may one protect himself/herself from such an influence?$

What the board has asked from this chapter

Questions per paper · 5 papers · 2024 to 2026

June 2026

3 q

Q. 1(viii) $Charas and ganja are different products obtained from ______.$
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Drug Abuse
Q. 2(viii) $Name the causative agent of typhoid.$
Common Human Diseases
Q. 5 $Sketch and label the structure of antibody.$
Structure of Antibody

February 2026

2 q

Q. 1(viii) $The mature plasma cell produces antibodies at the rate of _____ molecules per second.$
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Structure of Antibody
Q. 22 $Define addiction. Give the physiological effects of : (a) Cocaine (b) Cannabinoids$
Drug Abuse

July 2025

2 q

Q. 1(ix) $The part of antibody which binds with the specific antigen to form antigen-antibody complex is _____.$
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Structure of Antibody
Q. 15 $What is adolescence? Mention any four characteristics of 15 to 17 years age group.$
Adolescence

July 2024

2 q

Q. 12

Match cells of immune system in column-I and their functions in column-II and rewrite it. Column-I Column-II (i) Cytotoxic T cells (a) Activation of helper T cells (ii) Plasma cells (b) Blood group antigens (iii) Antigen presenting cells (c) Secretion of perforins (iv) Red blood cells (d) Antibody production

Column-I	Column-II
(i) Cytotoxic T cells	(a) Activation of helper T cells
(ii) Plasma cells	(b) Blood group antigens
(iii) Antigen presenting cells	(c) Secretion of perforins
(iv) Red blood cells	(d) Antibody production

Immunity

Q. 14 $Write causative agent, two symptoms and mode of transmission of typhoid.$
Common Human Diseases

March 2024

2 q

Q. 1(v) $Which of the following is caused by unsterilized needle?$
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Common Human Diseases
Q. 17 $Explain unique features of acquired immunity.$
Immunity

The 10 board questions to practise first

The questions the board asked again come first, most asked first. Each one says how often and when.

Question 1
This type asked 2 times: Jul 2024, Jun 2026. This one: Jun 2026
Q. 2(viii) $Name the causative agent of typhoid.$
Question 2
Asked once: Jul 2024 (same type asked 2 times)
Q. 14 $Write causative agent, two symptoms and mode of transmission of typhoid.$
Question 3
Asked once: Jun 2026
Q. 1(viii) $Charas and ganja are different products obtained from ______.$
Tap an option to check your answer.
Question 4
Asked once: Jun 2026
Q. 5 $Sketch and label the structure of antibody.$
Question 5
Asked once: Feb 2026
Q. 22 $Define addiction. Give the physiological effects of : (a) Cocaine (b) Cannabinoids$
Question 6
Asked once: Feb 2026
Q. 1(viii) $The mature plasma cell produces antibodies at the rate of _____ molecules per second.$
Tap an option to check your answer.
Question 7
Asked once: Jul 2025
Q. 15 $What is adolescence? Mention any four characteristics of 15 to 17 years age group.$
Question 8
Asked once: Jul 2025
Q. 1(ix) $The part of antibody which binds with the specific antigen to form antigen-antibody complex is _____.$
Tap an option to check your answer.

Question 9

Asked once: Jul 2024

Q. 12

Match cells of immune system in column-I and their functions in column-II and rewrite it. Column-I Column-II (i) Cytotoxic T cells (a) Activation of helper T cells (ii) Plasma cells (b) Blood group antigens (iii) Antigen presenting cells (c) Secretion of perforins (iv) Red blood cells (d) Antibody production

Question 10
Asked once: Mar 2024
Q. 17 $Explain unique features of acquired immunity.$

Exercise

Q1. Multiple Choice Questions

Q2. Very Short Answer Questions

Q3. Short Answer Questions

Q4. Short Answer Questions

Q5. Match the following

Q6. Long Answer Questions

What the board has asked from this chapter

June 2026

February 2026

July 2025

July 2024

March 2024

The 10 board questions to practise first

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10