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696. Which of the following is not a bone in the human body ?
A. Sternum
B. Humerus
C. Pericardium
D. Tibia
Explanation:
697. A telephone receiver consists of a permanent magnet with wires around it and a metal diaphragm in front of the magnet. 1. The current in the wire neutralises completely the field of the permanent magnet. 2. The current in the wire adds a small component to the field of the magnet. 3. The diaphragm rotates due to the signal. 4. The diaphragm vibrates due to the signal. Choose the correct combination of statements
A. 1 and 3
B. 1 and 4
C. 2 and 3
D. 2 and 4
Explanation:
698. Which of the following is a good nuclear fuel ?
A. Uranium - 238
B. Neptunium - 239
C. Thorium - 236
D. Plutonium -239
Explanation:
699. Three important micronutrients essential for humans are
A. copper, zinc and iodine
B. zinc, copper and potassium
C. nitrogen, zinc and iodine
D. sulphur, copper and iron
Explanation:
700. Wisdom teeth normally grow during the age of
A. 12-15 years
B. 17-30 years
C. 34-40 years
D. 40-45 years
Explanation:
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