Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETZoologyBody Fluids and Circulation

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Neutrophils and monocytes both destroy foreign organisms entering the body and belong to the same main category of leucocytes. Reason (R): Neutrophils possess specific granules in their cytoplasm, whereas monocytes lack these granules and have a kidney-shaped nucleus. In the light of the above stat

Options

  1. ABoth Assertion and Reason are correct and Reason is the correct explanation for Assertion
  2. BBoth Assertion and Reason are correct but Reason is not the correct explanation for Assertion
  3. CAssertion is correct but Reason is false
  4. DAssertion is false but Reason is correct

Correct answer

D. Assertion is false but Reason is correct

Step-by-step solution

Assertion (A) is false because although both neutrophils and monocytes are phagocytic cells that destroy foreign organisms, they belong to two different main categories of leucocytes. Neutrophils are granulocytes, while monocytes are agranulocytes. Reason (R) is correct because neutrophils have granules in their cytoplasm (hence classified as granulocytes), whereas monocytes lack these granules (hence classified as agranulocytes) and possess a characteristic kidney-shaped nucleus. Answer: Assertion is false but Rea

Practice Body Fluids and Circulation on Quantrex Academy →

More from Body Fluids and Circulation

The WBC count of a person's blood sample is 8000 /cu.mm. How many eosinophils and lymphocytes would be in the same blood sample approximately ? 2026Which of the following statements is incorrect ? 2026The opening between the right atrium and the right ventricle is guarded by __________. 2026The number of action potentials generated by sino-arterial node (SAN) in a healthy human is __________ per minute. 2026Select the incorrect statements with reference to Rh grouping : A. Erythroblastosis foetalis is a condition observed having foetus with Rh ^ -ve blood and mother with Rh ^ +ve bloo 2026Cardiac activities of the heart are regulated by: A. Nodal tissue B. A special neural centre in the medulla oblongata C. Adrenal medullary hormones D. Adrenal cortical hormones Cho 2025'Lub' sound of Heart is caused by the ______ 2024Following are the stages of pathway for conduction of an action potential through the heart A. AV bundle B. Purkinje fibres C. AV node D. Bundle branches E. SA node Choose the corr 2024 Full Body Fluids and Circulation list All NEET PYQs