Assertion : Acquired immunity is based on the ability to differentiate foreign organisms (pathogens) from self-cells.
Reason : Higher vertebrates can distinguish foreigh molecules as well as foreigh organisms.

Read the following Statements A-D. a) Memory- based innate immunity evolved in higher vertebrates based on the ability to differentiate foreign organism (e.g. pathogen) from self-cells. b) The exaggerated response of the immune system to certain antigen presents in the environment is called allergy. c) Passive immuntiy is slow and takes time to give its full effective response. d) The Yellowish fluid colostrum secreted by mother during the initial days of lactation has abundant antibodies to protect the infant. How many of the above statements are false?

ul("Antibody-mediated immunity") helps the body to differentiate between self and non-self cells during organ transplantation.

Which of the following are the reason (s) for Rheumatoid arthritis ? Choose the correct option. (i) The ability to differentiate pathogens or foreign molecules from self cells increases. (ii) Body attacks self cells. (iii) More antibodies are produced in the body. (iv) The ability to differentiate pathogens or foreign molecules from self cells is lost.

Which of the following are the reason (s) for Rheumatoid arthritis ? Choose the correct option. (i) The ability to differentiate pathogens or foreign molecules from self cells increases. (ii) Body attacks self cells. (iii) More antibodies are produced in the body. (iv) The ability to differentiate pathogens or foreign molecules from self cells is lost.

Which of the following are the reason (s) for Rheumatoid arthritis ? Choose the correct option. (i) The ability to differentiate pathogens or foreign molecules from self cells increases. (ii) Body attacks self cells. (iii) More antibodies are produced in the body. (iv) The ability to differentiate pathogens or foreign molecules from self cells is lost.

Which of the following are the reason (s) for Rheumatoid arthritis ? Choose the correct option. (i) The ability to differentiate pathogens or foreign molecules from self cells increases. (ii) Body attacks self cells. (iii) More antibodies are produced in the body. (iv) The ability to differentiate pathogens or foreign molecules from self cells is lost.