Daily Practice Problems Body Fluids and Circulation

Question 1:

The type of blood cells that secrete heparin, serotonin and histamines are: [Level: Moderate]

(a) eosinophils

(b) neutrophils

(d) monocytes

Question 2:

Which among the following formed elements are the least abundant? [Level: Moderate]

(a) Erythrocytes

(b) Thrombocytes

(d) Basophils

Question 3:

The chemical that initiates blood clotting is: [Level: Moderate]

(a) thrombokinase

(b) thrombin

(d) prothrombin

Question 4:

Heart of the animal group capable of living on both land and water is: [Level: Easy]

(a) two-chambered

(b) three-chambered

(d) four-chambered

Question 5:

The rhythmic beating of the cardiac muscle in a human heart is initiated by the: [Level: Moderate]

(a) AV node.

(b) Purkinje fibres

(d) SA node

Question 6:

A fluid that prevents the friction between the heart wall is: [Level: Easy]

(a) pleural fluid

(b) pericardial fluid

(d) cerebrospinal fluid

Question 7:

Identify the blood group that possess both anti-A and anti-B antibodies in their blood plasma: [Level: Moderate]

(a) Blood group ‘O’

(b) Blood group ‘AB’

(d) Blood group ‘A’

Question 8:

The duration of ventricular diastole is: [Level: Moderate]

(a) 0.3 seconds

(b) 0.4 seconds

(d) 0.7 seconds

Question 9:

Tricuspid valve is present between the: [Level: Easy]

(a) left atrium and left ventricle

(b) right atrium and right ventricle

(d) left ventricle and aorta

Question 10:

An individual who has just met with an accident has lost a lot of blood. He needs immediate blood donation and there is no sufficient time to analyse his blood group. Which among the following blood would be safest for blood transfusion to such a person? [Level: Difficult]

(a) AB⁺

(b) AB^-

(d) O^-

Question 11:

Which among the following statements about the wall layers of the blood vessels is incorrect? [Level: Moderate]

(a) Tunica externa is composed of fibrous connective tissue with collagen fibres.

(b) Tunica intima is composed of smooth muscles and collagen fibres.

(d) Tunica intima is composed of squamous endothelium

Question 12:

The depolarisation of the ventricles can be determined in the electrocardiograph as: [Level: Moderate]

(a) P wave

(b) QRS complex

(d) T wave

Question 13:

Given below are some statements related to the regulation of cardiac activity. [Level: Difficult]

I. Normal heart activity is regulated intrinsically as it is myogenic.

II. Cardiac output can be increased by neural signals through the parasympathetic nerves.

III. Heart rate can be decreased by stimulation through the sympathetic nerves.

IV. Hormones from the adrenal medulla can increase the cardiac output.

V. Hormones from the adrenal medulla can decrease the cardiac output.

From the statements given above, find out the number of statements which are correct from the options given below:

(a) Two

(b) Three

(d) One

Question 14:

Which among the following statements regarding the lymph is incorrect? [Level: Moderate]

(a) Lymph is a colourless fluid containing lymphocytes which help in our immune response.

(b) Lymph in special lymphatic capillaries called lacteals helps in fat absorption.

(d) None of the above

Question 15:

Identify the incorrect set of statements from the following: [Level: Difficult]
I. Erythroblastosis foetalis occurs when the mother is Rh⁺and the foetus is Rh^-.

II. Spleen is called the graveyard of the erythrocytes.

III. Arteries are deeply seated while the veins are superficially situated below the skin.

IV. Monocytes are the most abundant of all the leucocytes while neutrophils are the largest of all WBCs.

(a) I and IV only

(b) I, III and IV

(d) III and IV only

Question 16:

Identify the incorrect statement with respect to the nodal tissue of the human heart. [Level: Difficult]

(a) SA node is the natural pacemaker of the heart as it has the highest inherent rate of depolarisation.

(b) AV node is situated in the right atrium near the interatrial septum.

(d) The nodal musculature has the ability to generate action potentials upon stimulation by a nerve impulse.

Question 17:

Match the items given in Column I to Column II and find the correct answer from the options given below: [Level: Difficult]

Column I	Column II
1. Bicuspid Valve	(i) Atrial depolarisation
2. Tricuspid Valve	(ii) Between right atrium and right ventricle
3. P-wave	(iii) Between left atrium and left ventricle
4. T-wave	(iv) Ventricular repolarisation

	1.	2.	3.	4.
(a)	(iii)	(ii)	(iv)	(i)
(b)	(ii)	(iii)	(iv)	(i)
(c)	(iii)	(ii)	(i)	(iv)
(d)	(ii)	(iii)	(iv)	(i)

Question 18:

Which among the following constitutes the systemic heart in humans? [Level: Moderate]

(a) Left atrium and left ventricle

(b) Right atrium and right ventricle

(d) Left ventricle and right ventricle

Question 19:

The volume of blood ejected by each ventricle during a ventricular contraction is called: [Level: Easy]

(a) Cardiac output

(b) Stroke volume

(d) Pulse volume

Question 20:

A cardiac disorder characterized by acute chest pain due to insufficient oxygen supply to the heart muscles is: [Level: Easy]

(a) Atherosclerosis

(b) Angina pectoris

(d) Heart attack

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Application of Knowledge: Problem-solving allows you to apply the theoretical concepts of the topic NEET Biology Body Fluids and Circulation you have learned to real-life situations. It helps you bridge the gap between abstract knowledge and practical scenarios, making the learning more relevant and meaningful.
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Identifying Knowledge Gaps: When you attempt to solve problems, you may encounter areas where your understanding is lacking. These knowledge gaps become evident during problem-solving, and you can then focus on filling those gaps through further study and practice. You can refer Body Fluids and Circulation NEET Biology Notes on LearnoHub.com
Boosting Confidence: Successfully solving problems after learning a theoretical concept boosts your confidence in your abilities to handle Body Fluids and Circulation. This confidence motivates you to tackle more challenging tasks and improves your overall performance in the subject.
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Life Skills Development: Problem-solving is a valuable life skill that extends beyond academics. It equips you with the ability to tackle various challenges you may encounter in personal and professional life.
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In summary, problem-solving after learning a theoretical concept on CBSE Body Fluids and Circulation NEET Biology is an essential part of the learning process. It enhances your understanding, critical thinking abilities, and retention of knowledge. Moreover, it equips you with valuable skills that are applicable in academic, personal, and professional contexts.

You must have heard of the phrase “Practice makes a man perfect”. Well, not just a man, practice indeed enhances perfection of every individual.

Practicing questions plays a pivotal role in achieving excellence in exams. Just as the adage goes, "Practice makes perfect," dedicating time to solve a diverse range of exam-related questions yields manifold benefits. Firstly, practicing questions allows students to familiarize themselves with the exam format and types of problems they might encounter. This familiarity instills confidence, reducing anxiety and improving performance on the actual exam day. Secondly, continuous practice sharpens problem-solving skills and enhances critical thinking, enabling students to approach complex problems with clarity and efficiency. Thirdly, it aids in identifying weak areas, allowing students to focus their efforts on improving specific topics. Moreover, practice aids in memory retention, as active engagement with the material reinforces learning. Regular practice also hones time management skills, ensuring that students can allocate appropriate time to each question during the exam. Overall, practicing questions not only boosts exam performance but also instills a deeper understanding of the subject matter, fostering a holistic and effective learning experience.

All About Daily Practice Problems on NEET Biology Body Fluids and Circulation NCERT Chapter 18

Our Daily Practice Problems (DPPs) offer a diverse range of question types, including Multiple Choice Questions (MCQs) as well as short and long answer types. These questions are categorized into Easy, Moderate, and Difficult levels, allowing students to gradually progress and challenge themselves accordingly. Additionally, comprehensive solutions are provided for each question, available for download in PDF format - Download pdf solutions as well as Download pdf Questions. This approach fosters a holistic learning experience, catering to different learning styles, promoting self-assessment, and improving problem-solving skills. With our well-structured DPPs, students can excel in exams while gaining a deeper understanding of the subject matter. Hope you found the content on NEET Biology Body Fluids and Circulation NCERT Chapter 18 useful.

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