Quartz crystal in quartz watches work on the principle called?
Quartz crystal in quartz watches work on the principle called?
A. Photoelectric effect
B. Stark effect
C. Thermionic effect
D. Piezo-electric effect
E. None of these
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Which of the following is caused by bacteria?
Which of the following is caused by bacteria?A. Malaria
B. Tetanus
C. Cancer
D. None of theseTetanus, also called lockjaw, is a serious infection caused by Clostridium tetani. This bacterium produces a toxin that affects the brain and nervous system, leading to stiffness in the muscles. If Clostridium tetani spores are deposited in a wound, the neurotoxin interferes with nerves that control muscle movement
A definite area or a space where some thermodynamic process takes place is known as?
A definite area or a space where some thermodynamic process takes place is known as?A. Thermodynamic system
B. Thermodynamic cycle
C. Thermodynamic process
D. Thermodynamic lawBig Bang was an explosion that occurred ?
Big Bang was an explosion that occurred ?
A. 10 Billion years ago
B. 15 Billion years ago
C. 20 Billion years ago
D. 25 Billion years agoWhich Planet is known as Watery Planet?
Which Planet is known as Watery Planet?A. Earth
B. Mars
C. Jupiter
D. MercuryIf you look down at our planet from outer space, most of what you see is water; 71% of the planet’s surface is covered by ocean and it is because of this that the Earth is sometimes called “the water planet”. Only about three-tenths of our globe is covered with land.
Another name for our voice box is _________?
Another name for our voice box is _________?A. Larynx
B. Pharynx
C. Trachea
D. MouthWhich of following contains cobalt?
Which of following contains cobalt?A. Vitamin K
B. Chlorophyll
C. Vitamin B12
D. Haemoglobin