The instrument used to measure blood pressure is a: MCQ with Answer and Explanation

The instrument used to measure blood pressure is a:
A. Electrocardiograph
B. Stethoscope
C. Sphygmomanometer
D. Thermometer
Answer: Option C
Solution (By JKSSB Mock Tests)
A sphygmomanometer, often used with a stethoscope, measures arterial blood pressure (systolic/diastolic) in mmHg. A stethoscope listens to heart/lung sounds, thermometer measures temperature, ECG records heart electrical activity. Normal blood pressure is about 120/80 mmHg.

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Practice More Biology Questions

Question #1
The long, cylindrical, highly specialized part of a neuron that conducts nerve impulses away from the cell body is the:
A. Axon
B. Soma
C. Myelin sheath
D. Dendrite

Correct Answer: Option A


Explanation:
A neuron consists of a cell body (soma), dendrites, and an axon. Dendrites are short, branched processes that receive impulses and conduct them towards the cell body. The axon is a long, single, cylindrical fiber that conducts nerve impulses away from the cell body to other neurons, muscles, or glands. The myelin sheath is an insulating layer around the axon.

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Question #2
The process by which a bacterium acquires genes from a bacteriophage is:
A. Transformation
B. Conjugation
C. Mutation
D. Transduction

Correct Answer: Option D


Explanation:
Transduction is the transfer of bacterial DNA from one bacterium to another by a bacteriophage. Generalized transduction occurs when phage accidentally packages host DNA; specialized transduction involves specific genes near the prophage integration site. Conjugation needs direct contact, transformation free DNA.

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Question #3
The connective tissue that transports oxygen and nutrients is:
A. Cartilage
B. Adipose
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Correct Answer: Option D


Explanation:
Blood is a fluid connective tissue that circulates through vessels, transporting oxygen (bound to hemoglobin), nutrients, hormones, and waste products. Bone provides support, cartilage cushions, adipose stores fat.

This question belongs to: Science Biology