Assertion : Symptoms of the allergic reactions include sneezing watery eyes running nose and difficulty in breathing .
Reason : Allergy is due to chamicals like anti -histamine adrenalin and steroids.

Consider the following statements with repect to allergy. A. Allergy is due to the release of chemicals like heparin and adrenaline from the mast cells. B. The exaggerated response of the immune system to certain antigens present in the environment is called allergy. C. The use of chemicals like anti-histamine, adrenaline and steroids aggravate the symptions of allergy. D. Common examples of allergens are mites in dust, pollens, animals dander, etc.

Assertion : Dust particles when come in contact with respiratory tract lead to sneezing, running nose, redness of eyes etc. Reason : Allergic disorders are caused due to release of histamine.

Assertion : Dust particles when come in contact with respiratory tract lead to sneezing, running nose, redness of eyes etc. Reason : Allergic disorders are caused due to release of histamine.

At new place you suddenly starts sneezing and wheezing . The statement correctly correlate this condition (i) This is exaggerated response of the immune system (ii) symptoms are watery eyes and running nose (iii) Due to the release of chemical like adrenaline steroids and histamine (iv) Antibodies produced to these are lgE type (v) Rheumatoid arthritis is an example

At new place you suddenly starts sneezing and wheezing . The statement correctly correlate this condition (i) This is exaggerated response of the immune system (ii) symptoms are watery eyes and running nose (iii) Due to the release of chemical like adrenaline steroids and histamine (iv) Antibodies produced to these are lgE type (v) Rheumatoid arthritis is an example

At the new place, a person suddenly starts sneezing and wheezing. The statements CORRECTLY correlate this condition (i) This is an exaggerated response of the immune system. (ii) Symptoms are watery eyes and running nose. (iii) Due to the release of chemicals like adrenaline, steroids and histamine. (iv) Antibodies produced to these are IgE type.

At the new place, a person suddenly starts sneezing and wheezing. The statements CORRECTLY correlate this condition (i) This is an exaggerated response of the immune system. (ii) Symptoms are watery eyes and running nose. (iii) Due to the release of chemicals like adrenaline, steroids and histamine. (iv) Antibodies produced to these are IgE type.

Assertion (A) : A person goes to high altitude and experiences " Altitude sickness " with symptoms like breathing difficulty and heart palpitations . Reason (R): Due to low atmospheric pressure at high altitude, the body does not get sufficient oxygen. In the light of above statement choose the correct options given below