Bissoy.com
Doctors Medicines MCQs Q&A

Related Questions

In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: Cancerous tumors can be divided into primary tumors, which start within the brain, and secondary tumors, which have spread from elsewhere, known as brain metastasis tumors. B: There are two main types of tumors: cancerous (malignant) tumors and benign (non-cancerous) tumors. C: All types of brain tumors may produce symptoms that vary depending on the part of the brain involved. D: A brain tumor occurs when abnormal cells form within the brain.
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: As the source continues to vibrate the medium, the vibrations propagate away from the source at the speed of sound, thus forming the sound wave. B: The sound source creates vibrations in the surrounding medium.  C: The sound waves are generated by a sound source, such as the vibrating diaphragm of a stereo speaker. D: Sound can propagate through a medium such as air, water, and solids as longitudinal waves and also as a transverse wave in solids.
The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph. P: Almost all addictive drugs act on the brain’s natural reward circuitry, changing the way you feel, act and behave as you become increasingly dependent on the substance of your choice. Q: these substances alter the way your brain processes chemicals called neurotransmitters. R: Over time, your brain gets used to the response, and you need more of the drug to achieve the same euphoric, hallucinogenic or sedating effects. S: When you drink an alcoholic beverage, inject heroin, take prescription painkillers or snort cocaine,
Researchers have developed a three-person brain network called BrainNet that lets participants send or receive thoughts from each other. Further, researchers claimed that the network records electrical activity and transcranial magnetic stimulation in the brain, to transmit information without invasion as it can send one bit of a data at a time. Which of the following determines the given statement? I: BrainNet records electrical activity and transcranial magnetic stimulation in the brain. II: BrainNet can send more than one bit of data at a time. III:  BrainNet is a three-person brain network developed to transmit information. 
Read the following passage carefully and choose the most appropriate answer to the question out of the four alternatives.
The human eye is a complex part of the body that is used for seeing. Eyes enable people to perform daily tasks and to learn about the world that surrounds them. Sight, or vision, is a rapidly occurring process that involves continuous interaction between the eye, the nervous system, and the brain. When someone looks at an object, what he really sees is the light reflected from the object. This reflected light passes through the lens and falls on the retina of the eye. Here the light induces nerve impulses that travel through the optic nerve to the brain and then over other nerves to muscles and glands.
The eye is similar to a television camera. Both the eye and the television camera convert light energy to electrical energy. The eye converts light to nerve impulses that are interpreted by the brain as the sense perception called sight. A television camera converts light to electronic signals that are broadcast and transformed into light images in a television receiver. It is wonderful that human eyes blink an average of once every six seconds. This washes the eye with the salty secretion from the tear or lachrymal glands. Each tear gland is about the size and shape of an almond. These glands are situated behind the upper eyelid at the outer corner of the eye. After passing over the eye, the liquid from the gland is drained into the nose through the tear duct at the inner corner of the eye. The sense perception that the brain releases after the eye converts light to nerve impulses is known as
Which of the following statements are not true for sound ? (a) Sound waves are transverse waves. (b) Audible sound waves have frequency range of 20 kHz and above. (c) Sound waves require medium for propagation. (d) Non-periodic sound waves are termed as ‘Noise’. 
Consider the following statement: 1. The number of photoelectrons emitted is proportional to the intensity of the incident beam. 2. The kinetic energy of emitted electrons in the photoelectric effect does not depend on intensity. 3. The kinetic energy of emitted electrons in the photoelectric effect does not depend on frequency. Which of the following statement is INCORRECT?
A man is moving towards a wall with a source of sound in his hand. Frequency of source = 50Hz. Speed of man = 8m/s. If the man sends one pulse of sound, what will be the frequency heard by him after sound reflects off the wall? Speed of sound = 330m/s.
Differences in the way men and women process language are of special interest to brain researchers. It is known that 'aphasia' , a kind of speech disorder , is more common in men than in women when the left side of the brain is damaged in an accident or after a stroke. However , women are more likely than men to suffer 'aphasia' when the front part of the brain is damaged . The idea implied in the above passage is -
Statement I: The Sound produced from a violin and loudspeaker of the same frequency are distinguishable because of the difference in the quality of the sound Statement II: The intensity of sound increases with an increase in the amplitude of the sound wave