In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormality and it attacks self-cells, then it leads to

Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain

Which of the following statements is not true for cancer cells in relation to mutations?

Match the following sexually transmitted diseases (Column-I) with their causative agent (Column-II) and select the correct option.

Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections?

MALT constitutes about $\underline{\phantom{xxxx}}$ of the lymphoid tissue in the human body

Which part of poppy plant is used to obtain the drug ‘Smack’?

In which disease does mosquito-transmitted pathogen cause chronic inflammation of lymphatic vessels?

Which of the following is not an autoimmune disease?

Identify the wrong statement with reference to immunity.

Match the following diseases with the causative organism and select the correct option.

The infectious stage of Plasmodium that enters the human body is:

Snow-blindness in Antarctic region is due to:

$\newline$Given below are two statements: $\newline$ $\newline$Statement I: Autoimmune disorder is a condition where the body’s defense mechanism recognizes its own cells as foreign bodies. $\newline$Statement II: Rheumatoid arthritis is a condition where the body does not attack self cells. $\newline$ $\newline$In the light of the above statements, choose the most appropriate answer from the options given below:

Match List I with List II:

In which blood corpuscles does HIV undergo replication and produce progeny viruses?

Match List I with List II:

$\newline$Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. $\newline$ $\newline$Assertion A: Breast-feeding during the initial period of infant growth is recommended by doctors for bringing a healthy baby. $\newline$ $\newline$Reason R: Colostrum contains several antibodies absolutely essential to develop resistance for the newborn baby. $\newline$ $\newline$In the light of the above statements, choose the most appropriate answer from the options given below:

$\newline$Given below are two statements: $\newline$ $\newline$Statement I: Bone marrow is the main lymphoid organ where all blood cells including lymphocytes are produced. $\newline$ $\newline$Statement II: Both bone marrow and thymus provide microenvironments for the development and maturation of T-lymphocytes. $\newline$ $\newline$In the light of the above statements, choose the most appropriate answer from the options given below: