NEET2013ZoologyBody Fluids and CirculationActual
The figure shows a human blood cell. Identify it and give its characteristics.
Options
- Aarray |l|l| Basophil & Secretes inflammatory & serotonin , array
- Barray |c|c| array l B-lymphocyte cells array & array l Forms about 20 % of blood involved immune array array
- Carray |l|l| Neutrophil & array l Most abundant blood cells , phagocytic array array
- Darray |l|l| Monocyte & array l Life span of 3 days, produces antibodies array array
Correct answer
A. array |l|l| Basophil & Secretes inflammatory & serotonin , array
Step-by-step solution
Basophils have three lobed nucleus and a smaller number of coarse granules. They secrete histamine, serotonin, heparin, etc., and are involved in inflammatory reactions. Lymphocytes are smaller in size having round nucleus. They are of two major types - ' B ' and ' T ' lymphocytes. Both B and T lymphocytes are responsible for immune responses of the body. Neutrophils are the most abundant cells and are phagocytic in nature which destroy foreign organisms entering the body. They are polymorphic and have multi-lobed