Question : The brain receives and sends signals in the form of _____.
Option 1: Chemical impulses
Option 2: Magnetic impulses
Option 3: Mechanical impulses
Option 4: Electrical impulses
Correct Answer: Electrical impulses
Solution : The correct option is Electrical impulses.
Electrical impulses or action potentials are used by the brain to transmit signals. These are fast changes in the electrical potential across neuron cell membranes that allow communication, and information transmission between different regions of the nervous system, and throughout the body.
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Question : What type of energy conversion takes place in a battery?
Option 1: Chemical energy into light energy
Option 2: Chemical energy into electrical energy
Option 3: Mechanical energy into chemical energy
Option 4: Chemical energy into sound energy
Question : dynamo is a device for converting
Option 1: heat energy into electrical energy
Option 2: mechanical energy into electrical energy
Option 3: megnetic energy into electrical energy
Option 4: chemical energy into electrical energy
Question : A ______ is used to detect acoustic signals under the water.
Option 1: ammeter
Option 2: hydrophone
Option 3: pyrometer
Option 4: bolometer
Question : Directions: Select the correct option that indicates the arrangement of the following words in a logical and meaningful order. 1. Wearing 2. Measurement 3. Designer dress 4. Stitching
Option 1: 2, 4, 3,1
Option 2: 3, 1, 4, 2
Option 3: 1, 2, 3, 4
Option 4: 2, 3, 1, 4
Question : Which of the following is known as the graveyard of Red Blood Corpuscles (RBC)?
Option 1: Liver
Option 2: Spleen
Option 3: Brain
Option 4: Heart
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