The hemolysis of red blood cells takes place when they are suspended in which one of the following solutions? (1) 2.0% NaCl (2) 1.5% NaCl (3) 1.0% NaCl (4) 0.5% NaCl 

“Understanding Hemolysis of Red Blood Cells: The Role of Sodium Chloride Concentration”

17. Menstrual blood does not contain clots due to higher level of (1) Plasmin.                                                   (2) Fibrinogen. (3) Heparin.                                                   (4) Prothrombin 

“Why Menstrual Blood Does Not Usually Contain Clots: The Role of Plasmin”

16. The only bone marrow cell that never appears in peripheral blood is (1) myeloblast (2) myelocyte. (3) lymphoblast. (4) megaloblast.

“Understanding Bone Marrow Cells and Peripheral Blood: Which Cells Never Appear in Circulation?”

In order to separate red and white blood cells, which of the following methods can be used? (1) Ion-exchange chromatography and FACS (2) Hydrophobic chromatography and density gradient centrifugation (3) Density gradient centrifugation and FACS (4) Hydrophobic chromatography and FACS 

“Effective Methods to Separate Red and White Blood Cells: Density Gradient Centrifugation and FACS Explained”

The maturation of red blood cells does not depend on (1) folic acid (2) vitamin B12 (3) pyridoxine (4) tocopherol

“Vitamins Essential for Red Blood Cell Maturation: The Role of Folic Acid, Vitamin B12, Pyridoxine, and Tocopherol”

“The Most Powerful Buffer System in Blood: Understanding Bicarbonate Buffer”

Which statement is not correct for blood? (1) Mature RBC is of larger size as compare to its precursor cells (2) Platelets play important role in blood clotting (3) Neutrophils are major phagocytotic cells (4) Basophils are present in least amount 

“Correcting Common Misconceptions About Blood: Mature RBC Size and Blood Cell Functions Explained”

The primary function of lymphatic system is (1) Acquired immunity (2) Innate immunity (3) The removal of excess fluids from body tissues. (4) Phagocytosis 

 “Primary Function of the Lymphatic System: Fluid Balance and Immunity Explained”

In Sickle cell anemia the RBC are sickle shaped due to (1) Change in shape of hemoglobin in oxygen unbound form (2) Change in shape of hemoglobin in oxygen bound form (3) Loss of spectrin cytoskeleton protein (4) Due to loss of ATP synthesis 

 “Why Red Blood Cells Become Sickle Shaped in Sickle Cell Anemia: Understanding Hemoglobin’s Role”

9. Serum contains (1) Non-fibrinogen proteins, minerals and glucose (2) Cells corpuscles, mineral and glucose (3) Cell corpuscles, minerals and non-fibrinogen proteins (4) Minerals and glucose

“Understanding Serum Composition: Components of Blood Serum Explained”

Hematopoiesis in adults mainly occurs at (1) Liver (2) Bone marrow (3) Kidney (4) Spleen

“Hematopoiesis in Adults: Why Bone Marrow Is the Primary Site of Blood Cell Production”

Hematopoietic stem cells are found in (1) Bone marrow (2) Skin (3) Heart (4) Spleen  

“Where Are Hematopoietic Stem Cells Found? Exploring Their Role and Location in Bone Marrow”

6. Anemia due to decreased level of hemoglobin in red blood cells is generally observed due to deficiency of (1) Iron deficiency (2) Calcium deficiency (3) Vitamin B6 (4) Vitamin B12

 “Causes of Anemia: How Iron Deficiency Leads to Low Hemoglobin Levels”

The deficiency of cyanocobaltamine (Vitamin B12) leads to- (1) Microcytic anemia (2) Megaloblastic Anemia (3) Thalsemmia (4) Hypochoramtosis

“Deficiency of Cyanocobalamin (Vitamin B12) and Its Effects: Megaloblastic Anemia Explained”

Examples of connective tissue are (1) Bone and muscle (2) Bone and Blood (3) Bone and cartilage (4) Blood and skin

“Examples of Connective Tissue: Bone, Cartilage, Blood, and More Explained”

. Among the following which do not have any role in blood clotting mechanism- (1) Ca++ (2) Na+ (3) Prothrombin (4) Platelets

“Why Sodium (Na+) Is Not Involved in Blood Clotting: Key Components of the Coagulation Cascade Explained”

Deficiency of Ca++ will inhibit- (1) Coagulation of blood (2) Absorption of glucose by intestine (3) Nerve conduction (4) Low glomerular filtration rate

 “Understanding Calcium Deficiency: How Ca++ Shortage Inhibits Blood Coagulation and Impacts Body Functions”

CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology

“Why Menstrual Blood Does Not Usually Contain Clots: The Role of Plasmin”

17. Menstrual blood does not contain clots due to higher level of (1) Plasmin.                                                   (2) Fibrinogen. (3) Heparin.                                                   (4) Prothrombin   Introduction Menstrual blood differs from other types of bleeding […]

CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology

“Understanding Bone Marrow Cells and Peripheral Blood: Which Cells Never Appear in Circulation?”

The only bone marrow cell that never appears in peripheral blood is (1) myeloblast (2) myelocyte. (3) lymphoblast.                                             (4) megaloblast. Introduction Blood cell formation or hematopoiesis primarily takes place in […]

CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology

“The Most Powerful Buffer System in Blood: Understanding Bicarbonate Buffer”

13. Which one of the following is the most powerful buffer system of blood? (1) Bicarbonate                                              (2) Phosphate (3) Proteins                                                    (4) Haemoglobin Introduction Maintaining a stable blood pH (~7.35-7.45) is […]

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