Neet Questions Body Fluids And Circulation

Explore the top 10 questions from Chapter 18, ‘Body fluids and circulation’, which are important for NEET preparation. Students should note that these questions have been collated from NEET question papers from previous years, making them all the more important.

Body Fluids and Circulation Session 5

Important NEET Questions on Class 11 Chapter 18: Body Fluids and Circulation

1. Adult human RBCs are enucleated because they do not need to divide or replicate, and the presence of a nucleus would add unnecessary weight and take up space. Additionally, the lack of a nucleus allows the RBC to maintain its shape and flexibility, which is necessary for efficient circulation.

I. They are somatic cells

II. They do not need to Reproduce

III. All of Their Internal Space is Available for Oxygen Transport

IV. They do not metabolize

A. I, II, and IV

B. III and IV

Only III

D. Only I

Answer: The blood cells whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body are platelets (NEET-II 2016).

A. Thrombocytes

B. Erythrocytes

C. Neutrophils

D. leucocytes

3. Serum differs from blood in that it lacks certain components present in blood (NEET-II 2016)

A. Antibodies

B. Clotting Factors

C. albumins

D. globulins

4. The pressure of blood in the pulmonary artery is (NEET-I 2016)

A. More than that in the carotid.

B. Same as that in the aorta

C. Less than that in the vena cava

D. more than that in the pulmonary vein

The largest amount of urea in mammals would typically be carried by the renal artery.

NEET-I 2016

A. Dorsal Aorta

B. Renal Vein

C. Hepatic Portal Vein

D. Hepatic Vein

The second sound heard when using a stethoscope to listen to the sounds produced during each cardiac cycle is the ‘S2’ or ‘P2’ sound (2015).

A. Semilunar valves close down after the blood flows into vessels from the ventricles.

B. AV Valves Open

C. Ventricular walls vibrate due to the influx of blood from the atria

D. AV node receives signal from SA node

A person with blood group AB is considered a universal recipient because they have both the A and B antigens on their red blood cells.

(2014) It was an exciting year

It was an exciting (2014) year

Both A and B antigens are present in the plasma, but no antibodies are present.

Both A and B antibodies in the plasma

No antigen on RBC and no antibody in the plasma

Both A and B antigens are present on RBCs, but there are no antibodies in the plasma.

What is the Role of Parasympathetic Neural Signals in Regulating the Heart? (2014)

A. Both heart rate and cardiac output increase

B. Reduce both heart rate and cardiac output

C. Heart rate is increased while cardiac output remains unchanged.

D. Heart rate decreases while cardiac output increases

The blood group of the donor is unknown.

A. Blood Group AB

B. Blood Group O

C. Blood group A

D. Blood group B

Which of the following plasma proteins is involved in the coagulation of blood?

(2011)

2011

A. Fibrinogen

B. Serum Amylase

C. Globulin

D. Albumin

Question Answer Key

| 1 | C |

| 2 | A |

| 3 | B |

| 4 | D |

| 5 | D |

| 6 | A |

| 7 | D |

| 8 | B |

| 9 | B |

| 10 | A |

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