General Science Questions Practice Question and Answer

Q: Plants growing in sunlight are called 1487 0

  • 1
    sciophytes
    Correct
    Wrong
  • 2
    xerophytes
    Correct
    Wrong
  • 3
    heliophytes
    Correct
    Wrong
  • 4
    hydrophytes
    Correct
    Wrong
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Answer : 3. "heliophytes"
Explanation :

Answer: C) heliophytes Explanation:

Q: Which of the following carbohydrates is a polysaccharide? 1235 0

  • 1
    Fructose
    Correct
    Wrong
  • 2
    Cellulose
    Correct
    Wrong
  • 3
    Glucose
    Correct
    Wrong
  • 4
    Sucrose
    Correct
    Wrong
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Answer : 2. "Cellulose"
Explanation :

Answer: B) Cellulose Explanation: Carbohydrates are also called as saccharides are molecular compounds made from just three elements: carbon, hydrogen and oxygen.   Carbohydrates are: * a source of energy for the body e.g. glucose and a store of energy, e.g. starch in plants * building blocks for polysaccharides (giant carbohydrates), e.g. cellulose in plants and glycogen in the human body * components of other molecules eg DNA, RNA, glycolipids, glycoproteins, ATP   Types: 1. Monosaccharides (e.g. glucose) and 2. Disaccharides (e.g. sucrose) are relatively small molecules. They are often called sugars. 3. Other carbohydrate molecules are very large called Polysaccharides such as starch and cellulose.

Q: Where does glycolysis take place? 908 0

  • 1
    Mitichondria
    Correct
    Wrong
  • 2
    Cytoplasm
    Correct
    Wrong
  • 3
    Mitochondrial outer membrane
    Correct
    Wrong
  • 4
    None of above
    Correct
    Wrong
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Answer : 2. "Cytoplasm"
Explanation :

Answer: B) Cytoplasm Explanation: "Glycolysis" means the splitting of glucose. The first step of the process occurs in the cytoplasm of the cell and yields a small amount of energy (measured in units of ATP) and two molecules of pyruvate. The other steps occur in the mitochondria. It is an ongoing process as your cells have a constant need for energy.

Q: Stainless steel contains steel and 940 0

  • 1
    manganese
    Correct
    Wrong
  • 2
    vanadium
    Correct
    Wrong
  • 3
    nickel
    Correct
    Wrong
  • 4
    chromium
    Correct
    Wrong
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Answer : 4. "chromium"
Explanation :

Answer: D) chromium Explanation: Stainless steel contains 18% chromium and 82% steel

Q: Which of the following is an air pollutant? 1156 0

  • 1
    Sulphur dioxide
    Correct
    Wrong
  • 2
    Ozone
    Correct
    Wrong
  • 3
    Water vapour
    Correct
    Wrong
  • 4
    Nitric oxide
    Correct
    Wrong
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Answer : 1. "Sulphur dioxide"
Explanation :

Answer: A) Sulphur dioxide Explanation: Air pollutants are solid particles, gases, and liquid droplets in the air that can adversely affect ecosystems and the health of humans.   Major ambient air pollutants include toxic metals, polycyclic aromatic hydrocarbons, benzene, particulate matter (PM), nitrogen oxides, sulfur oxides, carbon monoxide, and ozone. Power plants, factories, and vehicle and air traffic are the most important anthropogenic sources of air pollution.   In addition, natural sources such as wildfires and volcanic activity contribute to ambient air pollution.

Q: Which of the following statements about water is false? 1689 0

  • 1
    There is extensive intramolecular hydrogen bonding in the condensed phase.
    Correct
    Wrong
  • 2
    Water is oxidized to oxygen during photosynthesis.
    Correct
    Wrong
  • 3
    Ice formed by heavy water sinks in normal water.
    Correct
    Wrong
  • 4
    Water can act both as an acid and as a base.
    Correct
    Wrong
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Answer : 1. "There is extensive intramolecular hydrogen bonding in the condensed phase."
Explanation :

Answer: A) There is extensive intramolecular hydrogen bonding in the condensed phase. Explanation: Water possess intermolecular hydrogen bonding in the condensed phase.   Hence, the given statement 'There is extensive intramolecular hydrogen bonding in the condensed phase.' about water is FALSE.

Q: Which of the following does not influence haemoglobin saturation? 1056 0

  • 1
    Nitric oxide
    Correct
    Wrong
  • 2
    Carbon dioxide
    Correct
    Wrong
  • 3
    Temperature
    Correct
    Wrong
  • 4
    DPG
    Correct
    Wrong
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Answer : 1. "Nitric oxide"
Explanation :

Answer: A) Nitric oxide Explanation:

Q: Who is regarded as father of modern chemistry ? 1461 0

  • 1
    Ruterford
    Correct
    Wrong
  • 2
    Einstein
    Correct
    Wrong
  • 3
    Lavoisier
    Correct
    Wrong
  • 4
    C V Raman
    Correct
    Wrong
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Answer : 3. "Lavoisier"

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