Human health and diseases practice · Mixed difficulty

Assertion: The phenomenon where tumour cells
detach and migrate to other parts of the body
where they give rise to secondary tumors is
called metastasis.

Reason: Abnormal antigens on the surface of
cell and unusual number of chromosomes cause
metastasis.

Arrange the following statement regarding
Amoebiasis infection:

(a) The trophozoites multiply by binary fission
and produce cysts and both stages are passed
in the faeces

(b) Trophozoites migrate to the large intestine

(c) Excystation occurs in the small intestine and
trophozoites are released
(b) Infection by Entamoeba histolytica occurs by
ingestion of mature cysts in fecally
contaminated food, water, or hands.

Antigen is a substance which:

Assertion: Artificially acquired passive immunity
results when antibodies or lymphocytes
produced outside the host are introduced into a
host.

Reason: A bone marrow transplant given to a
patient with genetic immunodeficiency is an
example of artificially acquired passive immunity.

Choose the correct regarding antibodies

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

Which one of the following is the most effective in Ascaris infection?

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.

Assertion : Bordeaux mixture is able to eradicate
many fungal diseases.

Reason : It is a fungicide which has proved to
be effective for control of disease.

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

An antiviral chemical produced by the animal cell is

The body attacks self cells in

Exotoxins are related with

In Plasmodium, ookinete is formed by

A young drug addict used to show symptoms of depressed brain activity, feeling of calmness, relaxation and drowsiness. Possibly he was taking:

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

Carcinogen present in cigarette smoke is

Which one is anti-allergic antibody:

Which of the following is not released by the most cells during allergic reactions.

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

Antigen binding site of immunoglobulin is

HIV infection can be confirmed by which test?

Infective stages of Plasmodium to it’s primary host

Pneumonia is an infection of

Which of the following is not a characteristic of a
cancerous cell?

Select the true statement
I. AIDS has no cure, prevention is the best option
II. During HIV infection, the person suffers from fever, weight loss and diarrhoea
III. HIV is a retrovirus, which means its genetic material is DNA

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

Because………. is inexpensive, easy to adminster, and
produces excellent immunity in the intestine (which helps
prevent infection with wild virus in areas where it is
endemic, it has been the vaccine of choice for controlling
poliomyelitis in many countries including India where it is
being employed in the pulse polio programme.

A drug, which causes hallucinations at high dosage, is obtained from

Select the incorrect statement w.r.t. allergy