278423
Which of the following statements is/are correct for blood group?
1 Only (i) and (ii)
2 Only (i), (ii) and (iv)
3 Only (i), (ii) and (iii)
4 Only (i), (iii) and (iv)
Explanation:
(c) Persons with blood group $A$ have the $A$ antigen on the surface of their RBCs, and antibodies to antigen $B$ in their plasma.
NCERT Page-280 / N-195
Body fluids and circulation
278424
Which of the following is not correct for blood pressure?
1 (i) & (iii)
2 (ii) & (iii)
3 (i), (ii) & (iii)
4 (i), (iii) & (iv)
Explanation:
(d) Blood pressure is the arterial pressure of blood exerted on the walls of arteries with each heartbeat. It is measured from the brachial artery and expressed as systolic pressure/diastolic pressure (i. e. 120/80 $\text{mmHg}$ ). Blood pressure is affected by atherosclerosis (caused by deposits if calcium, fats, cholesterol, and fibrous tissue which make lumen narrow). Diastolic pressure is lower than systolic pressure. It refers to as arterial pressure of the systemic circulation.
278423
Which of the following statements is/are correct for blood group?
1 Only (i) and (ii)
2 Only (i), (ii) and (iv)
3 Only (i), (ii) and (iii)
4 Only (i), (iii) and (iv)
Explanation:
(c) Persons with blood group $A$ have the $A$ antigen on the surface of their RBCs, and antibodies to antigen $B$ in their plasma.
NCERT Page-280 / N-195
Body fluids and circulation
278424
Which of the following is not correct for blood pressure?
1 (i) & (iii)
2 (ii) & (iii)
3 (i), (ii) & (iii)
4 (i), (iii) & (iv)
Explanation:
(d) Blood pressure is the arterial pressure of blood exerted on the walls of arteries with each heartbeat. It is measured from the brachial artery and expressed as systolic pressure/diastolic pressure (i. e. 120/80 $\text{mmHg}$ ). Blood pressure is affected by atherosclerosis (caused by deposits if calcium, fats, cholesterol, and fibrous tissue which make lumen narrow). Diastolic pressure is lower than systolic pressure. It refers to as arterial pressure of the systemic circulation.
