General Science Questions Practice Question and Answer
8Q: The human heart is 2134 05b5cc7eee4d2b41977751cfe
5b5cc7eee4d2b41977751cfe- 1Neurogenic heartfalse
- 2Myogenic hearttrue
- 3Pulsating heartfalse
- 4Ampullary heartfalse
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Answer : 2. "Myogenic heart"
Explanation :
Answer: B) Myogenic heart Explanation: Hearts are of several types. In some invertebrates the heart is simulated by the nervous system to do its work. Such hearts are called Neurogenic hearts. The Human heart is myogenic. i.e, it recieves the stimuli for contraction from the muscular node called sinu-auricular node or pace maker.
Q: Which class does bee and Worm belong to?
2133 05e5794e4beb8f66e44876f37
5e5794e4beb8f66e44876f37- 1Peststrue
- 2Germsfalse
- 3Tidafalse
- 4None of thesefalse
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Answer : 1. "Pests"
Q: Which of the following is used as retardant in nuclear reactor?
2128 05e37bdc1ad02e21163c615d2
5e37bdc1ad02e21163c615d2- 1Thoriumfalse
- 2Graphitetrue
- 3Radiumfalse
- 4Ordinary waterfalse
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Answer : 2. "Graphite"
Q: The best conductor of heat among the following is
2127 05e2536a24f019a6cc27ccf74
5e2536a24f019a6cc27ccf74- 1alcoholfalse
- 2mercurytrue
- 3etherfalse
- 4waterfalse
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Answer : 2. "mercury"
Q: Agni Neerja disease is related to?
2118 063b6c6a228c33f137b3c5100
63b6c6a228c33f137b3c5100- 1Coconutfalse
- 2orangefalse
- 3Appletrue
- 4Grapesfalse
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Answer : 3. "Apple"
Explanation :
Agni Neerja disease is caused by the Yellow Vein Mosaic Virus (YUMA). It is not usually sap transmissible, but it has been transmitted by grafting under experimental conditions.
Q: What do plants, which grow in salt-rich soils, say?
2117 05e37da55ad02e21163c636ea
5e37da55ad02e21163c636ea- 1Jirophytefalse
- 2hydrophytefalse
- 3halophytetrue
- 4sculentfalse
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Answer : 3. "halophyte"
Q: Stainless steel contains steel and 2114 05b5cc7efe4d2b41977751d71
5b5cc7efe4d2b41977751d71- 1manganesefalse
- 2vanadiumfalse
- 3nickelfalse
- 4chromiumtrue
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Answer : 4. "chromium"
Explanation :
Answer: D) chromium Explanation: Stainless steel contains 18% chromium and 82% steel
Q: The life span of RBC is
2111 05e786fd906880567cad9d287
5e786fd906880567cad9d287- 1100 daysfalse
- 2110 daysfalse
- 3120 daystrue
- 4130 daysfalse
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