Science GK Practice Question and Answer
7 Q: Who invented the television?
903 0611b676a6d0fd147810fba02
611b676a6d0fd147810fba02- 1Niels Bohrfalse
- 2J. Ale. Bairdtrue
- 3Alexander Flemingfalse
- 4Village Wellfalse
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Answer : 2. "J. Ale. Baird"
Q: By which instrument the purity of milk is measured?
883 0611b67aa6d0fd147810fba23
611b67aa6d0fd147810fba23- 1Lactometertrue
- 2manometerfalse
- 3Pyrometerfalse
- 4Tachometerfalse
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Answer : 1. "Lactometer"
Q: Insulin was invented by?
1081 1611b67f06d0fd147810fba82
611b67f06d0fd147810fba82- 1Eijkmanfalse
- 2Bettingtrue
- 3Domagkfalse
- 4H. G. khuranafalse
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Answer : 2. "Betting"
Q: How many bones are present in human ears?
936 061d6b8440499556d96b50350
61d6b8440499556d96b50350- 16true
- 29false
- 34false
- 410false
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Answer : 1. "6"
Q: Beta biodiversity is an example of
1499 062287439c17ed1454592457d
62287439c17ed1454592457d- 1Run of Kutchfalse
- 2Rajasthanfalse
- 3Indiatrue
- 4Asiafalse
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Answer : 3. "India "
Explanation :
It is the number of species unique to each environment that is used to calculate species diversity between two nearby ecosystems. Considering the above slope example, the species diversity between any two patches and their communities in that particular slope represents beta diversity.
Q: Which of the following is NOT an example of Pteridophyta?
680 0643918511ce944a93ea1c091
643918511ce944a93ea1c091- 1Funariatrue
- 2Selaginellafalse
- 3Equisetumfalse
- 4Pterisfalse
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Answer : 1. "Funaria "
Q: The number of ossicles in the ear of mammals is
835 064424f9b0d865d025e66385d
64424f9b0d865d025e66385d- 12false
- 23true
- 34false
- 45false
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Answer : 2. "3"
Explanation :
The mammalian middle ear contains three ossicles, which move the vibrations of the eardrum into waves in the liquid and membrane of the inward ear. There are three ossicles in every ear : Malleus, Incus, Stapes. As we have a couple of ears, so altogether there are 6 ossicles, or 3 sets of ossicles.