MCQ Questions for Class 12 Biology Chapter 8 Human Health and Disease with Answers Set-B

Human Health and Disease Class 12 Biology MCQs Questions with Answers

Check the below NCERT MCQ Questions for Class 12 Biology Chapter 8 Human Health and Disease with Answers Pdf free download. MCQ Questions for Class 12 Biology with Answers were prepared based on the latest exam pattern. We have Provided Human Health and Disease Class 12 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 12 Biology Chapter 8 Quiz

Class 12 Biology Chapter 8 MCQ Online Test

You can refer to NCERT Solutions for Class 12 Biology Chapter 8 Human Health and Disease to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Human Health and Disease Class 12 Biology MCQ online test

Q1.	A toxic substance, responsible for the chills and high fever recurring every three to four days in malarial fever, is
	A.interferon
	B.haemozoin
	C.hirudin
	D.colostrum

Ans: haemozoin

Q2.	Humoral immunity is associated with
	A.T-cells
	B.B-cells
	C.macrophages
	D.both (a) and (b)

Ans: B-cells

Q3.	The antibody which can cross placental barrier is.
	A.IgA
	B.JgE
	C.IgM
	D.IgG.

Ans: IgG.

Q4.	The most abundant class of immunoglobulins (Igs) in the body is
	A.IgA
	B.IgG
	C.IgE
	D.IgM

Ans: IgG

Q5.	A protein or polysaccharide molecule that stimulates antibody formation.
	A.antigen
	B.antibiotics
	C.exotoxin
	D.endotoxins.

Ans: antigen

Q6.	Passive immunity can be conferred directly by
	A.vaccines
	B.antitoxins
	C.colostrum
	D.both (b) & (c)

Ans: both (b) & (c)

Q7.	Which form of pathogen is used in vaccination ?
	A.Activated and strong pathogenic antigens
	B.Inactivated and weakened pathogenic antigens
	C.Hyperactive and strong pathogen
	D.Preformed antibodies

Ans: Inactivated and weakened pathogenic antigens

Q8.	Injection of antitoxin in tetanus confers which type of immunisation ?
	A.Active immunisation
	B.Passive immunisation
	C.Auto-immunisation
	D.Humoral immunisation

Ans: Passive immunisation

Q9.	The term ‘antitoxin’ refers to a preparation containing
	A.B-lymphoctyes and T-lymphocytes
	B.antibodies to the toxin
	C.weakend pathogen
	D.inactivated T-lymphocytes.

Ans: antibodies to the toxin

Q10.	The injection given against the snake venom contains
	A.antigenic proteins
	B.preformed antibodies
	C.attenuated pathogen
	D.all of these.

Ans: preformed antibodies

Q11.	Vaccine against polio viruses is an example of
	A.auto-immunisation
	B.passive immunisation
	C.active immunisation
	D.simple immunisation

Ans: active immunisation

Q12.	During the life cycle of Plasmodium, sexual reproduction takes place in which of the following hosts ?
	A.Human
	B.Female Anopheles mosquito
	C.Male Anopheles mosquito
	D.Both (a) and (b)

Ans: Female Anopheles mosquito

Q13.	Amoebic dysentery (amoebiasis) is caused by
	A.Entamoeba histolytica
	B.E. coli
	C.Streptococcus pneumoniae
	D.Trichophyton.

Ans: Entamoeba histolytica

Q14.	Which one of the following diseases cannot be cured by taking antibiotics ?
	A.Plague
	B.Amoebiasis
	C.Leprosy
	D.Whooping cough

Ans: Amoebiasis

Q15.	An intestinal parasite which causes blockage of the intestinal passage and whose eggs are excreted along with the faeces of infected person is ______.
	A.Wuchereria bancrofti
	B.Ascaris
	C.Epidermophyton
	D.Microsporum

Ans: Ascaris

Q16.	Elephantiasis, a chronic inflammation that results in gross deformities is caused by
	A.Ascaris
	B.E.coli
	C.Wuchereria
	D.Trichophyton

Ans: Wuchereria

Q17.	Which of the following is affected by the infection of Wuchereria bancrofti ?
	A.Lymphatic vessels
	B.Respiratory system
	C.Nervous system
	D.Blood circulation

Ans: Lymphatic vessels

Q18.	Which of the following diseases is transmitted by the bite of the female mosquito vector ?
	A.Filariasis
	B.Amoebiasis
	C.Typhoid
	D.Pneumonia

Ans: Filariasis

Q19.	Which of the following pairs correctly matches a disease and a pathogen causing it ?
	A.Typhoid – Salmonella typhi
	B.Pneumonia – Haemophilus pneumoniae
	C.Malaria – Ascaris lumbricoides
	D.Ringworm – Entamoeba histolytica

Ans: Typhoid – Salmonella typhi

Q20.	The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom as that of
	A.Taenia, a tapeworm
	B.Ascaris, a roundworm
	C.Rhizopus, a mould
	D.Wuchereria, a filarial worm,

Ans: Rhizopus, a mould

MCQ Questions for Class 12 Biology

NCERT Solutions for Class 12 Biology

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MCQ Questions for Class 12 Biology Chapter 8 Human Health and Disease with Answers

MCQ Questions for Class 12 Biology Chapter 8 Human Health and Disease with Answers Set-B

Human Health and Disease Class 12 Biology MCQs Questions with Answers

Class 12 Biology Chapter 8 Quiz

Class 12 Biology Chapter 8 MCQ Online Test

Human Health and Disease Class 12 Biology MCQ online test

MCQ Questions for Class 12 Biology

NCERT Solutions for Class 12 Biology

Class 12 Biologys

NCERT Solutions for Class 12 Biology

NCERT Solutions for Class 12 Biology

Class 12 Biology

Class 12 Biology

Class 12 Biology

Class 12 Biology

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Biology : Class 12

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NCERT Biology Class 12

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MCQ QUESTIONS WITH ANSWER

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