Human Health and Disease MCQs | NCERT Biology

Read the book NCERT Biology class-12 (chapter- 7): Human Health and Disease from here.

1. Question

Bursting of RBCs to release toxin called haemozoin which causes high fever with chills are symptoms of:

Interferons are secreted by :-

Identify the diagram showing disease and choose correct option ?

Assertion (A) :– The principle of vaccination is based on memory property of our immune system.
Reason (R) :– Vaccines generates memory-B and T cells that recognise the pathogen quickly on subsequent exposure.

Culex (female) mosquito is the vector of .......

What is the example of physiological barrier.

Which type of antibody the foetus receive from their mother, through the placenta during pregnancy ?

The pH of vagina is acidic due to presence of lactic acid which prevent microbial growth, it is the example of :

Intestinal perforation may occur in severe cases of:

Which one of the following are correct statement for the cancer:

1.  In cancer cells the contact inhibition property are lost.
2.  The chemical carcinogens present in tobacco smoke have been identified as a major cause of lung cancer.
3.  Cancer causing viruses called oncogenic viruses have genes called viral oncogenes.
4.  Ionising radiations like X-rays and non-ionising radiation like UV rays, gamma rays cause DNA damage leading to neoplastic transformation.
5.  Cancer is one of the most dreaded diseases of human beings.

How many matching are correct:

How many matching are correct:

In life cycle of plasmodium the gametocytes are develop in :

Mothers milk contains which antibody?

Elephantiasis is characterized by:

Given below are two statements :
Statement I: Treatment of AIDS with anti-retroviral drugs is only partially effective.
Statement II : There is no time lag between the infection and appearance of AIDS synptoms.

In the light of the above statements, choose the most appropriate answer from the options given below :

Human protein α-1 antitrypsin is used to treat :

Cell mediated immunity is  elicited by which:

A classic case in medicine that of__________ nicknamed typhoid marry, is worth mentioning here. She was a cook by profession and was a typhoid carriers who continued to spread typhoid for several years through the food she prepared

Fill in the blank in given sentence