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NEET • BIOLOGY • HUMAN HEALTH AND DISEASES

Human health and diseases practice · Easy

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Showing 31-60 of 76 questions

31 Easy

31 of 76

Understanding +4 | -1

Both sickle cell anaemia and Huntington’s chorea are

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Correct option: B

Congenital disorders

Option B (Congenital disorders) is correct because both sickle cell anemia and Huntington's chorea are genetic disorders present from birth.

32 Easy

32 of 76

Understanding +4 | -1

Which one of the following abnormalities in the host is associated to Wuchereria, Plasmodium and Fasciola respectively?
I. Parasitic castration
II. Hyperplasia
III. Febrile paroxysm
IV. Peritonitis
V. Lymphangitis

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Correct option: A

V, III and II

Option A (V, III and II) is correct because Wuchereria causes Lymphangitis, Plasmodium causes Febrile paroxysm, and Fasciola causes Hyperplasia.

33 Easy

33 of 76

Understanding +4 | -1

Excessive doses of drugs may lead to coma and death due to

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Correct option: D

All of the above

Option D (All of the above) is correct because excessive drug doses can lead to respiratory failure, heart failure, and cerebral hemorrhage, all of which can result in coma and death.

34 Easy

34 of 76

Understanding +4 | -1

Which of the following statement is correct?

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Correct option: B

The antibodies produced in allergy are of IgE type

Option B is correct. IgE antibodies are indeed produced in allergic reactions.

35 Easy

35 of 76

Understanding +4 | -1

HIV can not be transmitted through the following options except by

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Correct option: D

Sharing razor blades

Option D is correct because HIV cannot be transmitted through casual contact but can be transmitted through direct blood contact, such as sharing razor blades.

36 Easy

36 of 76

Understanding +4 | -1

Damage to thymus in a child may lead to

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Correct option: A

Loss of cell-mediated immunity

Option A (Loss of cell-mediated immunity) is correct because the thymus is responsible for the maturation of T cells, which are essential for cell-mediated immunity.

37 Easy

37 of 76

Understanding +4 | -1

Which one of the following is not the property of cancerous cells?

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Correct option: C

They show contact inhibition

Option C is correct. Cancerous cells lose contact inhibition, allowing them to grow uncontrollably and form tumors.

38 Easy

38 of 76

Understanding +4 | -1

Statement A: Balanced diet, personal hygiene and regular exercise are very important to maintain good health.
Statement B: Yoga has been practised to achieve physical & mental illness.

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Correct option: A

Only statement A is correct

The correct answer is A (Only statement A is correct) because statement A accurately describes the importance of diet, hygiene, and exercise, while statement B incorrectly states that yoga achieves physical and mental illness.

39 Easy

39 of 76

Remembering +4 | -1

An uncontrolled division or proliferation of cells without any differentiation is called

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Correct option: A

Cancer

Option A (Cancer) is correct because cancer is characterized by uncontrolled cell division and proliferation without differentiation.

40 Easy

40 of 76

Remembering +4 | -1

The body attacks self cells in

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Correct option: C

Rheumatoid arthritis

Option C (Rheumatoid arthritis) is correct because rheumatoid arthritis is an autoimmune disease where the body's immune system attacks its own joint tissues.

41 Easy

41 of 76

Remembering +4 | -1

In which of the following diseases the toxoids are used for vaccination?

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Correct option: D

Both (1) & (2)

Option D (Both (1) & (2)) is correct because toxoids, which are inactivated toxins, are used in vaccines for both diphtheria and tetanus to stimulate an immune response.

42 Easy

42 of 76

Understanding +4 | -1

Out of the statements A - D, how many are incorrect?

A. Heroin is commonly known as smack and is chemically diacetylmorphine

B. Excessive dose of cocaine causes hallucination

C. Cannabinoids are group of chemicals extracted from leaves and inflorescence of Cannabis plant

D. Amphetamines are synthetic sedative drugs that are rapidly metabolised and cause drowsiness

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Correct option: A

One

Option A is correct. Only statement D is incorrect. Amphetamines are stimulants, not sedatives.

43 Easy

43 of 76

Remembering +4 | -1

Infective stages of Plasmodium to it’s primary host

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Correct option: B

Gametocytes

Option A (Sporozoites) is incorrect. The infective stage of Plasmodium to its primary host (human) is sporozoites, which are injected by the mosquito during a blood meal.

44 Easy

44 of 76

Remembering +4 | -1

Colostrum is the milk produced during the initial few days of lactation. It is essential to develop resistance for the new-born babies because it contains antibodies of

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Correct option: C

IgA type

Option C (IgA type) is correct because colostrum is rich in IgA antibodies, which provide passive immunity to the newborn, protecting them from infections in the gut.

45 Easy

45 of 76

Remembering +4 | -1

Which of the given sets include lymphatic organs?

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Correct option: A

Thymus, lymph nodes and spleen

Option A (Thymus, lymph nodes and spleen) is correct because these are all primary and secondary lymphoid organs involved in the immune system.

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46 Easy

46 of 76

Understanding +4 | -1

Fever in malaria is due to

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Correct option: A

Release of merozoites from RBCs

Option A (Release of merozoites from RBCs) is correct because the fever in malaria is caused by the release of merozoites and associated toxins from infected red blood cells.

47 Easy

47 of 76

Remembering +4 | -1

Colostrum provides the infant with

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Correct option: B

Passive immunity

Option B (Passive immunity) is correct because colostrum provides the infant with antibodies directly, offering immediate but temporary protection.

48 Easy

48 of 76

Remembering +4 | -1

Which of the following is a pair of bacterial diseases?

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Correct option: A

Typhoid and Pneumonia

Option A (Typhoid and Pneumonia) is correct because both Typhoid and Pneumonia are caused by bacteria.

49 Easy

49 of 76

Remembering +4 | -1

Which of the following is a protozoan disease?

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Correct option: D

All of these

Option D (All of these) is correct because Malaria, Amoebiasis, and Sleeping sickness are all caused by protozoans.

50 Easy

50 of 76

Understanding +4 | -1

Identify the incorrect from the following

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Correct option: C

Coke and smack are obtained from Erythroxylum coca

Option C is correct. Cocaine is obtained from Erythroxylum coca, but smack (heroin) is derived from opium poppy (Papaver somniferum), not Erythroxylum coca.

51 Easy

51 of 76

Analyzing +4 | -1

Assertion (A): Most cancers are treated by combination of surgery, radiotherapy and chemotherapy.
Reason (R): Tumor cells have been shown to avoid detection and destruction by immune system.
In the light of the above statements, choose the correct answer from the options given below:

View answer and explanation

Correct option: A

Both (A) & (R) are correct but (R) is not the correct explanation of (A)

Option A is correct because both the assertion and the reason are correct, but the reason does not explain why cancers are treated with a combination of therapies.

52 Easy

52 of 76

Remembering +4 | -1

One of the following is NOT a bacterial infection

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Correct option: D

Mumps

Option D (Mumps) is correct because Mumps is a viral infection, while the other options are caused by bacteria.

53 Easy

53 of 76

Understanding +4 | -1

In vaccination, a preparation of

View answer and explanation

Correct option: D

All of the above

Option D (All of the above) is correct because vaccines can contain antigenic proteins, inactivated pathogens, or weakened pathogens to stimulate an immune response.

54 Easy

54 of 76

Understanding +4 | -1

Choose the odd one out w.r.t. secondary lymphoid organs.

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Correct option: B

Thymus

Option B (Thymus) is correct because the thymus is a primary lymphoid organ, while the others are secondary lymphoid organs.

55 Easy

55 of 76

Remembering +4 | -1

The term ‘Health’ is defined in many ways. The most accurate definition of the health would be

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Correct option: C

Health is a state of complete physical, mental and social well-being

Option C is correct. Health is defined as a state of complete physical, mental, and social well-being, not merely the absence of disease.

56 Easy

56 of 76

Remembering +4 | -1

Allergy is due to the release of chemicals like _____ and serotonin from ____ cells.

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Correct option: B

Histamine, mast

Option B (Histamine, mast) is correct because histamine and serotonin are released from mast cells during an allergic reaction.

57 Easy

57 of 76

Understanding +4 | -1

Broad spectrum antibiotic

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Correct option: D

Acts on a variety of pathogenic microorganisms

Option D (Acts on a variety of pathogenic microorganisms) is correct because broad-spectrum antibiotics are effective against a wide range of bacteria.

58 Easy

58 of 76

Remembering +4 | -1

Humoral immune system defends against viruses and bacteria is present in

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Correct option: C

Both (1) and (2)

Option C (Both (1) and (2)) is correct because the humoral immune system, which defends against viruses and bacteria, is present in both blood and lymph.

59 Easy

59 of 76

Remembering +4 | -1

The thymus is a lobed organ located near the …A… and beneath the …B… . The most appropriate combination for A and B is

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Correct option: A

A-heart; B-breast bone

Option A (A-heart; B-breast bone) is correct because the thymus is located near the heart and beneath the breast bone (sternum).

60 Easy

60 of 76

Remembering +4 | -1

Sphygmomanometer measures

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Correct option: C

Blood pressure

Option C is correct. A sphygmomanometer measures blood pressure.

Revision notes and key takeaways

Review HUMAN HEALTH AND DISEASES in your textbook or class notes, then use this set to check your understanding.

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