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प्रश्न
Both B-cells and T-cells are derived from __________.
पर्याय
lymph nodes
thymus glands
liver
stem cells in bone marrow
उत्तर
Both B-cells and T-cells are derived from stem cells in the bone marrow.
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संबंधित प्रश्न
A heavily bleeding and bruised road accident victim was brought to a nursing home. The doctor immediately gave him an injection to protect him against a deadly disease.
(a) Write what did the doctor inject into the patient’s body.
(b) How do you think this injection would protect the patient against the disease?
(c) Name the disease against which this injection was given and the kind of immunity it provides.
Name any two types of cells that act as 'cellular barriers' to provide innate immunity in humans.
Why is secondary immune response more intense than the primary immune response in humans?
Summarise the process of vaccine production
It is said that vaccinations are a must for a healthy society. Justify.
Write the full forms of: STD
Give one significant difference between primary lymphoid organs and secondary lymphoid organs. Give one example of each.
Differentiate between B-cells and T-cells.
Which one of the following is the most accurate definition of the term ‘health’?
Match column I with column II and choose the correct option.
| Column I | Column II | ||
| i. | Specificity | a. | Lymphocytes produced against each particular foreign molecule |
| ii. | Diversity | b. | Self-cells are not attacked by immune system of the own body |
| iii. | Memory | c. | Immune system works against multiple pathogens |
| iv. | Discrimination between self and non-self | d. | Stronger immune response on second encounter |
