alleryWhich of these leucocytes is an agranulocyte?
- Monocyte
- Neutrophil
- Eosinophil
- Basophil
Show answer and solution
Correct answer: A. Monocyte
Monocytes and lymphocytes lack visible cytoplasmic granules and are grouped as agranulocytes.
NEET UG Body Fluids and Circulation — practice questions — page 3
Explore 96 free Body Fluids and Circulation questions in NEET UG Biology. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 61–90 of 96.
Which of these leucocytes is an agranulocyte?Read the answer and worked solution →Which pair of white blood cells is phagocytic?Read the answer and worked solution →Histamine, serotonin and heparin are secreted by:Read the answer and worked solution →Which leucocytes form about 2 to 3 percent of WBCs and are linked with allergies?Read the answer and worked solution →Blood platelets are cell fragments produced from:Read the answer and worked solution →A marked fall in platelet count mainly leads to:Read the answer and worked solution →A person who can receive blood from all ABO groups has which group?Read the answer and worked solution →The Rh antigen is found on the RBCs of roughly what share of humans?Read the answer and worked solution →Which step after the first delivery helps prevent erythroblastosis foetalis?Read the answer and worked solution →A blood clot is mainly a network of threads made of:Read the answer and worked solution →Which enzyme converts fibrinogen into fibrin?Read the answer and worked solution →Thrombin is formed from which inactive plasma substance?Read the answer and worked solution →Which enzyme complex is needed to convert prothrombin into thrombin?Read the answer and worked solution →As tissue fluid forms, what mostly stays inside capillaries?Read the answer and worked solution →In the intestine, fats are absorbed through lymph in the:Read the answer and worked solution →Why is closed circulation considered more advantageous?Read the answer and worked solution →Which reptile possesses a four-chambered heart?Read the answer and worked solution →In fishes, the heart pumps out which kind of blood?Read the answer and worked solution →In amphibians, what does the left atrium receive?Read the answer and worked solution →From which germ layer is the human heart derived?Read the answer and worked solution →The double walled membranous bag around the heart is the:Read the answer and worked solution →The valve between the right atrium and right ventricle has how many cusps?Read the answer and worked solution →The sino-atrial node lies in which part of the heart?Read the answer and worked solution →Minute nodal fibres spread through the ventricular muscle are called:Read the answer and worked solution →Why is the SA node called the pacemaker of the heart?Read the answer and worked solution →During joint diastole at the start of a cardiac cycle, which valves are closed?Read the answer and worked solution →Ventricular systole closes the tricuspid and bicuspid valves because of:Read the answer and worked solution →At a heart rate of 72 beats per minute, one cardiac cycle lasts about:Read the answer and worked solution →In a standard ECG, the end of the T-wave marks the:Read the answer and worked solution →Sudden damage to heart muscle from inadequate blood supply is called:Read the answer and worked solution →
Worked practice questions
Which pair of white blood cells is phagocytic?
- Neutrophils and monocytes
- Basophils and eosinophils
- B and T lymphocytes
- Eosinophils and lymphocytes
Show answer and solution
Correct answer: A. Neutrophils and monocytes
Neutrophils and monocytes engulf and destroy foreign organisms that enter the body.
Histamine, serotonin and heparin are secreted by:
- Lymphocytes
- Neutrophils
- Monocytes
- Basophils
Show answer and solution
Correct answer: D. Basophils
Basophils release these chemicals and take part in inflammatory reactions.
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