An insect bite may result in inflammation of that spot. This is triggered by the alarm chemicals such as
- histamine and dopamine
- histamine and kinins
- interferons and opsonin
- interferons and histones
The Correct Option is B
Solution and Explanation
Top Questions on Immune System
- Give below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:
Assertion A: Immunoelectrophoresis or RIA is the best method for the quantification of IgE.
Reason R: Ordinary electrophoresis does not identify the subgroups of immunoglobulins IgG, IgA, IgM. IgE.
In the light of the above statements, choose the most appropriate answer from the options given below :- CUET (PG) - 2023
- Pharmacy
- Immune System
- Select the incorrect statement with respect to acquired immunity:
- NEET (UG) - 2022
- Biology
- Immune System
- Injection of an antidote against snakebite is an example of
- KCET - 2020
- Biology
- Immune System
- The spleen is largely involved with the response to antigens which are in the
- SRMJEEE - 2018
- Biology
- Immune System
- The antibody produced in allergic reaction is:
- UPSEE - 2018
- Biology
- Immune System
Questions Asked in AIIMS exam
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion (A) : 02 is liberated in the non-cyclic photophosphorylation.
Reason (R) : Liberation of oxygen is due to photolysis of water.
In the light of the above statements, choose the correct answer from the options given below
- AIIMS - 2019
- Photosynthesis in higher plants
- Match the following column I with column II.
- AIIMS - 2019
- cloning
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion (A) : The Cro-Magnon man was the direct ancestor of the living modern man.
Reason (R) : Cro-Magnon man had slightly prognathous face.
In the light of the above statements, choose the correct answer from the options given below
- AIIMS - 2019
- evolution
- Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion: Orbit of a satellite is within the gravitational field of earth whereas escaping is beyond the gravitational field of earth.
Reason: Orbital velocity of a satellite is greater than its escape velocity.
In the light of the above statements, choose the correct answer from the options given below- AIIMS - 2019
- Gravitation
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion (A) : In eukaryotes, transcription occurs in nucleus.
Reason (R) : In bacteria, transcription and translation occurs in cytoplasm.
In the light of the above statements, choose the correct answer from the options given below
- AIIMS - 2019
- Transcription
Concepts Used:
Immune System
It consists of tissues, cells, soluble molecules like antibodies and lymphoid organs. The WBC cells called the leucocytes have a significant role as they seek out to destroy the disease-causing organisms. These leucocytes are stored in different locations in the body including the spleen, bone marrow, and thymus. These organs are called as the lymphoid organs. The leucocytes are also present in the lymph nodes of the body.It is considered as the main lymphoid orga and. It produces all the blood cells including the lymphocytes. The thymus is an organ that is present near to the heart, beneath the breastbone.
