Q6. Which part of the brain regulates heart rate?
- A. Cerebrum
- B. Cerebellum
- C. Medulla oblongata
- D. Thalamus
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This page provides a free online MCQ test for NEET Biology preparation, focusing specifically on the chapter Body Fluids and Circulation. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.
Key concepts covered in this specific test include Following, Statements, Incorrect, Thickest, Muscular, and Hormones.
Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.
Which of the following statements about blood is incorrect?
Blood is a type of connective tissue.
Blood helps in the regulation of body temperature.
Blood is primarily composed of water, proteins, and formed elements.
Blood does not transport hormones.
Which type of blood vessel has the thickest muscular walls?
Capillaries
Veins
Arteries
Venules
Which of the following hormones increases heart rate?
Insulin
Glucagon
Adrenaline
Thyroxine
Which of the following statements about blood is incorrect?
Blood is a type of connective tissue.
Blood transports hormones and waste products.
Blood has a pH range of 5.0 to 6.0.
Blood helps in temperature regulation.
Which of the following is incorrect regarding cardiac output?
It is the amount of blood pumped by each ventricle per minute.
It is calculated as stroke volume × heart rate.
An average human has a cardiac output of about 5 liters per minute.
Cardiac output remains constant under all conditions.
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