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General Science MCQ
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Which part of human eye has the maximum refractive index?
Correct Option:
D
[ Cornea ]
Explanation: Refraction is the change in direction of light rays as they transition between different mediums. A figure of 1.376 is often quoted for the refractive index of the human cornea over the visible spectrum.
Which of the following is an aquatic fern?
Correct Option:
C
[ Salvinia ]
Explanation: Salvinia, a genus in the family Salviniaceae, is a floating aquatics with creeping stems, branched, bearing hairs on the leaf surface papillae but no true roots, named in honor of Anton Maria Salvini, Italian scientist.
Which of the following is chiefly present in LPG?
Correct Option:
D
[ Butane ]
Explanation:
Bronze is an alloy of:
Correct Option:
C
[ Copper and Tin ]
Explanation:
Yeast are most likely to grow in frozen fruits during:
Correct Option:
A
[ Slow thawing ]
Explanation: Slow thawing is the gradual process of allowing a frozen item to return to its natural state by exposing it to a controlled temperature environment. This method is often preferred over rapid thawing to maintain the quality, safety, and integrity of the food.
Which of the following does not have red blood cells?
Correct Option:
D
[ Earthworm ]
Explanation:
"The theory of Evolution" was developed by:
Correct Option:
C
[ Darwin
]
Explanation:
A large collection of files are called:
Correct Option:
D
[ database ]
Explanation:
Bluetooth is a technology in communication which features
Correct Option:
A
[ wireless communication using radio waves ]
Explanation: Bluetooth is a wireless technology using radio frequencies to share data over a short distance.
"Zoonosis" refers to any disease or infection that is naturally transmissible from:
(i) human to human
(ii) animal to human
(iii) animal to animals
(iv) bird to animal
Select the correct answer using the codes given below.
Correct Option:
D
[ Only (ii) ]
Explanation: A zoonosis is an infectious disease that has jumped from a non-human animal to humans.
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