MHT-CET

Body Fluids and Circulati question bank (Biology)

Practice 52 free MHT-CET Biology - Body Fluids and Circulati questions with answers and step-by-step solutions.

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Q1.

P-wave of ECG indicates:
(A). Depolarization of atrial muscles
(B). Activation of SA node
(C). Spread of excitation from AV node to SA node
(D). Repolarization of atria and depolarization of ventricles
Choose the correct answer from the options given below:

(A)

(A), (B) and (C) are correct

(B)

(C)

(B) and (D) are correct

(D)

(A) is correct

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Q2.

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): Capillaries are thin walled having a single cuboidal epithelium.
Reason (R): Blood flows through the capillaries under high pressure.
In light of the above statements, choose the correct answer from the options given below.

(A)

Both (A) and (R) are true and (R) is the correct explanation of (A).

(B)

Both (A) and (R) are true but (R) is NOT the correct explanation of (A).

(C)

(A) is true but (R) is false.

(D)

(A) is false but (R) is true.

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