Home
Class 11
BIOLOGY
Assertion: WBCs accumulate at site of wo...

Assertion: WBCs accumulate at site of wounds by diapedesis.
Reason: It is squeezing of leucocytes from endotheium.

A

If both assertion and reason are true and the reason is a correct explanation of the assertion.

B

If both assertion and reason are true but reason is not a correct explanantion of the assertion.

C

If the assertion is true but reason is false.

D

If both the assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • BODY FLUIDS AND CIRCULATION

    A2Z|Exercise Section D: Chapter-end Test|50 Videos

  • BODY FLUIDS AND CIRCULATION

    A2Z|Exercise SECTION C: PREVIOUS YEARS' EXAMINATION QUESTIONS (AIIMS QUESTIONS )|17 Videos

  • BIOMOLECULES

    A2Z|Exercise Section D: Chapter End Test|50 Videos

  • BREATHING AND EXCHANGE OF GASES

    A2Z|Exercise Section D: Chapter-end Test|50 Videos

Similar Questions

Explore conceptually related problems

Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion (c) If the assertion is true but the reason is false (d) If both the assertion and reason are false (e) If the assertion is false but reason is true Assertion : WBCs accumulate at the site of wounds by diapedesis. Reason : It is squeezing of leucocytes from the endothelium.

Assertion : Fatigue is the inability of a muscle to relax. Reason : It is due to lactic acid accumulation by repeated contraction.

Knowledge Check

  • Squeezing of leucocytes from capillary walls is

    A
    Diakinesis
    B
    Diapedesis
    C
    Diapause
    D
    Diaphysis

  • Assertion: The accumulation of snow on the wings of an acroplane reduces the lift. Reason: Pressure difference depends upon the curvature.

    A
    Assertion is True, Reason is True, Reason is a correct explanation for Assertion
    B
    Assertion is True, Reason is True, Reaosn is not a correct explanation for Assertion
    C
    Assertion is True, Reason is False
    D
    Assertion is False, Reason is False.

  • Assertion : Lymph in lymphatic system is known as tissue fluid Reason : It consists of plasma proteins, RBCs and WBCs.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion
    C
    If assertion is true but reason is false
    D
    If both assertion and reason are false

    • Similar Questions

    Explore conceptually related problems

    Assertion (A): Sphagwnum is used for dressing wounds. Reason (R): Spha is used as packing material for transportation.

    Assertion : Wounds heal slowly due to vitamin C deficiency . Reason : vitamin C is essential for collgaen formation

    Assertion: Interferons are a type of antibodies produced by cells by bacteria. Reason: Interferons stimulate inflammation at the site of injury.

    Assertion : Agrobacterium tumefaciens is the causative agent of crown gall disease of dicots. Reason : Agrobacterium tumefaciens causes infection by entering the plant through wounds and injuries.

    Assertion (A) Due to Frenkel defect there is no effect on density of a solid. Reason (R) Ions shift from lattice sites to interstitial sites in Frenkel defect.

    Home
    Profile