Home
Class 9
BIOLOGY
Assertion (A): Human RBCs lack nucleus. ...

Assertion (A): Human RBCs lack nucleus.
Reason (R): RBCs perform the function of transportation of food materials.

A

Both Assertion and Reason are true and Reason is the correct explanation for Assertion.

B

Both Assertion and Reason are true but Reason is not the correct explanation for Assertion.

C

Assertion is true and Reason is false.

D

Assertion is false and Reason is true.

Text Solution

Verified by Experts

The function of RBC in human body is transport of materials.
If nucleus would have been there in the RBC, it would have occupied more space resulting in the obstruction of flow.
Flow in the transportation of the material would be difficult. Hence, the correct option is (b).
Promotional Banner

Topper's Solved these Questions

  • CELL - FUNDAMENTAL UNIT OF LIFE

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TESTS (FILL IN THE BLANKS) |8 Videos
  • CELL - FUNDAMENTAL UNIT OF LIFE

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TESTS (SELECT THE CORRECT ALTERNATIVES)|10 Videos
  • CELL - FUNDAMENTAL UNIT OF LIFE

    PEARSON IIT JEE FOUNDATION|Exercise MASTERING THE CONCEPTS (APPLICATION AND ANALYSIS) |22 Videos
  • DIVERSITY IN LIVING WORLD - PLANTS

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TESTS |20 Videos

Similar Questions

Explore conceptually related problems

Mature RBCs lack

What is the function of RBC ?

In mature RBC, nucleus is present in

Assertion : Blood is red in annelida. Reason : RBCs are absent in them

Assertion : The Golgi apparatus mainly performs the function of packaging materials. Reason : Materials to be packed in the from of vesicles from the ER fuse with trans face of the Golgi apparatus.

Human RBCs placed in 1-5 % NaCl solution will

What is the chief function of (i) R.B.Cs. (ii) Blood platelets.

Assertion : Mitochondria are absent in RBC. Reason : RBC form ATP by glycolysis.