Class XI

Both WBC and RBC are formed in the
  1. Both WBC and RBC are formed in the
  2. Thymus
  3. Thyroid
  4. Adrenal
The cell lining the blood vessels are
  1. Squamous epithelium
  2. Connective tissue
  3. Smooth muscle tissue
  4. columnar epithelium
The pericardial space in cockroach is regulary altered by the muscles
  1. Circular
  2. Alary
  3. Longitudinal
  4. Ciliary
The most active phagocytic white blood cells are
  1. Eosinophils and neutrophils
  2. Neutrophils and monocytes.
  3. Neutrophils and eosinophils
  4. Lymphocytes and macrophages
Lymph contains
  1. Platelet and serum
  2. Serum and WBC.
  3. WBC and RBC
  4. Blood plasma
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