Question Set A

cbse 12th Standard Biology Human Health and Disease Important Questions And Answers Study Material - QB365

Download CBSE Class 12th Standard CBSE Biology question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Biology

Questions:

Multiple Choice Question

49 x 1 = 49

Injection of antitoxin in tetanus confers which type of immunisation?

(a)

Active immunisation

(b)

Passive immunisationtri

(c)

Auto-immunisation

(d)

Humoral immunisationA

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

Which onc of the following sets includes bacterial discases?

(a)

Tetanus, tuberculosis, measles

(b)

Diptheria, leprosy, plague

(c)

Cholera, typhoid, mumps

(d)

Malaria, mumps, poliomyelitis

Which of the following pairs contains an infectious and n non-infectious discase respectively?

(a)

Typhoid and AlDS

(b)

AlDS and cancer

(c)

Pneunmonia and nalaria

(d)

Cancer and malaria

Which of the following glands is large sized at birth but reduces in size with ageing ?

(a)

Pineal

(b)

Pituitary

(c)

Thymus

(d)

Thyroid

Antivenom against snake poison contains

(a)

antigens

(b)

antigen-antibody complexes

(c)

antibodies

(d)

enzymes

AIDS is caused by HIV. Among the following, which one is not a mode. of transmission of HIV?

(a)

Transfusion of contaminated blood.

(b)

Sharing the infected needles.

(c)

Shaking hands with infected persons

(d)

Sexual contact with infected persons.

In which of the following conditions/diseases is there a substantial increase in the activity of mast cells observed in the human body?

(a)

Typhoid

(b)

Allergy

(c)

Ascariasis

(d)

AIDS

Given below is the diagrammatic representation of lymphatic system.

Label A, B and C.

(a)

A-Lymph nodes, B-Thymus, C-Lymphatic vessels

(b)

A-Lymphatic vessels, B-Thyroid, C-Lymph nodes

(c)

A-Tonsils, B-Peyer's patches, C-Lymphatic vessels

(d)

A-Tonsils, B-Thymus, C-Peyer's patches

10.

The symptoms caused by 'X' disease are lymphadenapathy, fever, cripling joint, etc. Identify the X disease.

(a)

Malaria

(b)

Typhoid

(c)

Chikungunya

(d)

Elephantiasis

11.

Which of the following sets of diseases are non-contagious?

(a)

Chickenpox, cholera, influenza

(b)

Typhoid, ringworm, smallpox

(c)

Taeniasis, ringworm, influenza

(d)

Cholera, typhoid, taeniasis

12.

Opium is extracted from

(a)

Atropa belladona

(b)

Papaver somniferum

(c)

Erythroxylum coca

(d)

Cannabis sativa

13.

The immunoglobulin abundant in colostrum, is

(a)

Ig D

(b)

Ig A

(c)

Ig G

(d)

Ig M

14.

Expand ELISA. Mention its applications.

15.

Immunoglobulins serving as mediators in allergic response are

(a)

IgE

(b)

IgD

(c)

IgM

(d)

IgA

16.

'Athlete's foot' is caused by

(a)

Tinea pedis

(b)

Tinea capitis

(c)

Candida albicans

(d)

Rickettsia

17.

Identify the molecules (A) and (B) shown below and select the right option giving their source and use.

(a)

Molecule	Source	Use
A-Cocaine	Erythroxylum coca	Accelerates the transport of dopamine

(b)

Molecule	Source	Use
B-Heroin	Cannabis sativa	Depressant and slows down body functions

(c)

Molecule	Source	Use
B-Cannabinoid	Atropa belladonna	Produces hallucinations

(d)

Molecule	Source	Use
A-Morphine	Papaver somniferum	Sedative and pain killer

18.

Where will you look for the sporozoites of the malarial parasite?

(a)

Saliva of infected female Anopheles mosquito

(b)

Red blood corpuscles of human suffering from malaria

(c)

Spleen of infected humans

(d)

Salivary glands of freshly moulted female Anopheles mosquito

19.

Sand fly act as vector for which disease

(a)

African sleeping sickness

(b)

Kala azar

(c)

Oriental sore

(d)

Filaria

20.

Every time, when the dosage of a drug has to be increased to achieve the same 'kick' that initially occurred in response to a smaller dose, this condition is known as

(a)

Withdrawl symptoms

(b)

Addiction

(c)

Rebound effect

(d)

Tolerance

21.

Which one of the following statements is correct with respect to AIDS?

(a)

The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers.

(b)

The HIV can be transmitted through eating food together with an infected person

(c)

Drug addicts are least susceptible to HIV infection

(d)

AIDS patients are being fully cured cent percent with proper care and nutrition.

22.

Which of the following glands is large-sized at birth but reduces in size with aging?

(a)

Pineal

(b)

Pituitary

(c)

Thymus

(d)

Thyroid

23.

Transplantation of tissue/organs to save certain patients often fails due to rejection of such tissue/organs by the patient. Which type of immune response is responsible for such rejections?

(a)

Auto-immune response

(b)

Humoral immune response

(c)

Physiological immune response

(d)

Cell-mediated immune response

24.

Which one of the following statements is correct?

(a)

Malignant tumours may exhibit metastasis

(b)

Patients who have undergone surgery are given cannabinoids to relieve pain

(c)

Benign tumours show the property of metastasis

(d)

Heroin accelerates body functions

25.

BCG vaccine is given against

(a)

Typhoid

(b)

Cholera

(c)

(d)

Diptheria

26.

Aedes mosquito is a vector of

(a)

Malaria

(b)

Filariasis

(c)

Cholera

(d)

Dengue

27.

When is AIDS Day celebrated?

(a)

7th July

(b)

Lymphocytes

(c)

1st December

(d)

23rd May

28.

If the person shows the production of interferons in his body, chances are that he suffering from

(a)

Measles

(b)

Tetanus

(c)

Anthrax

(d)

Malaria

29.

Match column I with column II and choose the correct answer

Column I	Column II
A. Neoplasm	1. Hematopoietic cell tumours
B. benign tumour	2. Bones cartilage tissue cancers
C. Carcinomas	3. Cancer of epithelial
D. Sarcomas	5. Non-cancerous tumour
E. Lymphomas	6. Initiation of new tumours

(a)

A-3, B-5, C-4, D-2, E-1

(b)

A-3, B-5, C-4, D-1, E-2

(c)

A-6, B-3, C-4, D-2, E-1

(d)

A-6, B-4, C-3, D-2, E-1

(e)

A-2, B-5, C-4, D-3, E-6

30.

Morphine, which is used as an analgesic, is obtained from

(a)

Chinchona officinalis

(b)

Papaver somniferum

(c)

Taxus brevifolia

(d)

Berberis nilghiriensis

(e)

Cupressus cashmeriana

31.

Which Ig is produced in primary immune response?

(a)

IgA

(b)

IgE

(c)

IgG

(d)

IgM

32.

True/False type question.
Amphetamines are stimulants

(a)

True

(b)

False

33.

Colostrum provides the infant with

(a)

Auto immunity

(b)

Passive immunity

(c)

Active immunity

(d)

Innate immunity

34.

Passive immunity can be obtained through

(a)

Antigens

(b)

Vaccines

(c)

Antibiotics

(d)

Antibodies

35.

Diacetylmorphine is commonly known as

(a)

Morphine

(b)

Cannabis

(c)

Heroin

(d)

Cocaine

(e)

Hashish

36.

To which type of barriers under innate immunity, do the saliva in the mouth and the tears from the eyes, blong?

(a)

Physiological barriers

(b)

Physical barriers

(c)

Cytokine barriers

(d)

Cellular barriers

37.

Which of the following malarial parasites has the longest inculation period?

(a)

Plasmodium vivax

(b)

Plasmodium falciparum

(c)

Plasmodium ovale

(d)

Plasmodium malariae

38.

If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?

(a)

Serum globulins

(b)

Fibrinogen in the plasma

(c)

Haemocytes

(d)

Serum albumins

39.

HIV that cause AIDS, first starts destroying

(a)

Helper T-lymphocytes

(b)

B-lymphocytes

(c)

leucocytes

(d)

Thrombocytes

40.

Antigen binding site in an antibody is found between

(a)

Two light chains

(b)

Two heavy chains

(c)

One heavy and one light chain

(d)

Either between two light chains or between one heavy and one light chain depending upon the nature of antigen

41.

Caffeine is a stimulant present in

(a)

Coffee

(b)

Tea

(c)

Cold drinks

(d)

All of the these

42.

Short-lived immunity acquired from mother to foetus across placenta or through mother's milk to the infant is categorised as

(a)

Active immunity

(b)

Passive immunity

(c)

Cellular immunity

(d)

Innate non-specific immunity

43.

T-lymphocytes first mature in

(a)

Thymus

(b)

Pancreas

(c)

Liver

(d)

Spleen

44.

Which of the following is involved in defence mechanism of the body?

(a)

Lymphocytes

(b)

Neutrophils

(c)

Macrophages

(d)

All of these

45.

Which of the following is not a component of innate immunity?

(a)

Antibodies

(b)

Interferons

(c)

Complement proteins

(d)

Phagocytes

46.

HIV attacks which of the following?

(a)

B cells

(b)

T cells

(c)

Antigen presenting cells

(d)

T helper cells

47.

Immunodeficiency can result from which of the following?

(a)

Gene mutation

(b)

Infection

(c)

Malnutrition

(d)

All of the above

48.

LSD is

(a)

Lying diethylamide

(b)

Lysergic acid diethylamide

(c)

Lysing dimethylamide

(d)

Lysergic acid diethylamide

49.

Hashish and Ganja are got from

(a)

Erythroxylon

(b)

Nicotiana

(c)

Papaver

(d)

Cannabis

Visit QB365-SLMS - https://www.qb365.in/slms/

Answers Key:

Multiple Choice Question

49 x 1 = 49

(b)
Passive immunisationtri

(b)
haemozoin

(b)
Diptheria, leprosy, plague

(b)
AlDS and cancer

(b)
Allergy

(a)
A-Lymph nodes, B-Thymus, C-Lymphatic vessels

10.

11.

(d)
Cholera, typhoid, taeniasis

12.

(b)
Papaver somniferum

13.

(b)
Ig A

14.

(a)
ELISA is Enzyme Linked Immuno Sorbent Assay. It is used to diagnose diseases like AIDS.

15.

(a)
IgE

16.

(a)
Tinea pedis

17.

(d)

Molecule Source Use

A-Morphine Papaver somniferum Sedative and pain killer

18.

(a)
Saliva of infected female Anopheles mosquito

19.

(b)
Kala azar

20.

(b)
Addiction

21.

(a)
The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers.

22.

23.

(d)
Cell-mediated immune response

24.

(a)
Malignant tumours may exhibit metastasis

25.

26.

(d)
Dengue

27.

28.

(a)
Measles

29.

(a)
A-3, B-5, C-4, D-2, E-1

30.

(b)
Papaver somniferum

31.

(d)
IgM

32.

(a)
True

33.

(b)
Passive immunity

34.

35.

36.

(a)
Physiological barriers

37.

(d)
Plasmodium malariae

38.

(a)
Serum globulins

39.

(a)
Helper T-lymphocytes

40.

41.

(d)
All of the these

42.

(b)
Passive immunity

43.

(a)
Thymus

44.

(b)
Neutrophils

45.

(a)
Antibodies

46.

(d)
T helper cells

47.

(d)
All of the above

48.

(b)
Lysergic acid diethylamide

49.

(d)
Cannabis

cbse 12th Standard Biology Human Health and Disease Important Questions And Answers Study Material - QB365 Set A

QB365 Student Learing Managemnet System

Std: 12th Standard CBSE - Biology

chapter: Human Health and Disease - Important Questions And Answers

Visit QB365-SLMS - https://www.qb365.in/slms/ Complete Questions and Answers

Questions:

Visit QB365-SLMS - https://www.qb365.in/slms/

Answers Key:

NEW MCQ Practice Test - CBSE Class 12

Biology CBSE Class 12 MCQ Practice Test

CBSE Class 12 MCQ Practice Test

12th Standard CBSE Study Materials