General Science Questions Practice Question and Answer
8 Q: What does food provide for us?
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63c7aa778731ac33279abb8a- 1Energy and waterfalse
- 2Energy and organic materialtrue
- 3Energy and nitrogenfalse
- 4Only energyfalse
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Answer : 2. "Energy and organic material "
Q: ______ is a strong drug that doctors give to people to make them calm or help them sleep.
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62f32e2639a8157d97fb699c- 1Barbituratetrue
- 2Antidepressantfalse
- 3Antihistaminefalse
- 4Beta-Blockerfalse
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Answer : 1. "Barbiturate"
Q: Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
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638de0c175f808476e2c5184- 1Hydrogen, Oxygen, Sodiumfalse
- 2Carbon, Hydrogen, Nitrogentrue
- 3Oxygen, Calcium, Phosphorusfalse
- 4Carbon, Hydrogen, Potassiumfalse
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Answer : 2. "Carbon, Hydrogen, Nitrogen"
Q: A pattent of hypermetropia is given spectacles of
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62864e93d84556078acd1d4e- 1lens of zero capacityfalse
- 2compound lensfalse
- 3convex lenstrue
- 4concave lensfalse
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Answer : 3. "convex lens"
Q: Which element is present in both cement and bones?
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63b6b7fa1bd77d1a284ad2b7- 1calciumtrue
- 2phosphorusfalse
- 3nitrogenfalse
- 4siliconefalse
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Answer : 1. "calcium"
Explanation :
Calcium is the element that is present in both cement and bones. In cement, calcium is a key component of calcium silicate compounds, which contribute to the strength and durability of the material. In bones, calcium is a vital mineral that provides structural support and strength. It plays a crucial role in various physiological processes in the human body, including muscle function and nerve signaling.
Q: If light falls perpendicularly on a plane mirror, what will be the angle in which it will be reflected?
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639c88e94eaee21296c278a1- 190 degreestrue
- 245 degreesfalse
- 3360 degreesfalse
- 4180 degreesfalse
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Answer : 1. "90 degrees"
Q: In a typical plant cell the position of the nucleus is
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628643b53f7a1029b93c8bc1- 1Centralfalse
- 2Peripheraltrue
- 3Basalfalse
- 4anywhere.false
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Answer : 2. "Peripheral"
Q: Which of the following consists of the exchange part of the respiratory system?
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63c8d792bdbddb32fda020a6- 1From external nostrils up to the alveolifalse
- 2From external nostrils to terminal bronchiolesfalse
- 3From trachea to terminal bronchiolesfalse
- 4Alveoli and their ductstrue
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