This is the 153 section from Everyday Science. These questions and answers will be from Plants, Computer System and Radio Transmission.
Ques No.1: The property by virtue of which metals can be beaten into thin sheets is known as ________.
Ques No.2: The half-life of a radioactive element is _______. It takes 8 days to reduce it from 10mg to 5 mg.
Ans: 8 days
Ques No.3: The unit of photosynthesis in green plants is called _________.
Ques No.4: The number of _________ needed in a diesel engine is 0.
Ans: spark plugs
Ques No.5: Fuse wire is made of ___________.
Ans: 63% tin and 37% lead
Ques No.6: Most of Asteroids lie in asteroid belt between the orbit of __________.
Ans: Mars and Jupiter
Ques No.7: The approximate intensity level of the sound which can cause damage is ___________.
Ans: 100 decibel (dB)
Ques No.8: Television signals are converted into light signals by _________.
Ques No.9: The unit that coordinates different devices of the computer system is __________.
Ans: Control unit
Ques No.10: _________ layer make the radio transmission possible.