Select Chapter Topics:
Q. No.Assertion (A): Blood group 'O' has anti-A and anti-B antibodies.
Reason (R): It does not have antigens.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Blood: Blood Group |
50%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): SA node induces excitatory impulses, when blood is poured by pulmonary veins in the left ventricle.
Reason (R): SA node is self excitatory.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is false but (R) is true.
4. Both (A) and (R) are false.
Reason (R): SA node is self excitatory.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is false but (R) is true.
4. Both (A) and (R) are false.
Subtopic: Human Heart: Cardiac Cycle |
56%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): ECG is a graphical representation of the electrical activity of heart during cardiac cycle.
Reason (R): To obtain a standard ECG, patient is connected with two leads, one with left wrist and one with ankle.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): To obtain a standard ECG, patient is connected with two leads, one with left wrist and one with ankle.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: ECG & Coronary Artery Disease |
81%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): We can determine heart beat by our pulse on wrist.
Reason (R): Systole causes contraction in wrist vessels and diastole causes relaxation.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): Systole causes contraction in wrist vessels and diastole causes relaxation.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Human Heart: Cardiac Cycle |
66%
Please attempt this question first.
Hints
Assertion (A): Human heart is myogenic.
Reason (R): Entire human heart is made up of a cardiac muscles.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): Entire human heart is made up of a cardiac muscles.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Human Heart: Gross Anatomy |
62%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): The 'T-wave' represents return to the ventricle from excited to normal state.
Reason (R): The end of 'T-wave' marks the end of diastole.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): The end of 'T-wave' marks the end of diastole.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: ECG & Coronary Artery Disease |
60%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): Lymph consists of WBCs, plasma proteins and RBCs.
Reason: (R): Lymph lack cells.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason: (R): Lymph lack cells.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Lymph |
83%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): The flow of blood in closed circulatory system is slower than in open circuatory system.
Reason (R): Blood pressure is lower in closed circulatory system.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): Blood pressure is lower in closed circulatory system.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Human Heart: Double Circulation |
68%
Please attempt this question first.
Hints
Assertion (A): The mixing of oxygenated and deoxygenated blood does not occur in mammalian heart.
Reason (R): Within the heart blood flows in one direction only.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): Within the heart blood flows in one direction only.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Human Heart: Double Circulation |
50%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): The enlargement of Q and R waves indicates heart attack.
Reason (R): If any deviation in normal ECG occurs, it indicates some abnormality.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): If any deviation in normal ECG occurs, it indicates some abnormality.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: ECG & Coronary Artery Disease |
63%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.