April 20, 2024

Science Quiz: Day: 115

If someone in the family is suffering from a problem of acidity after overeating, which of the following would you suggest as a remedy?
  • (A) Lemon juice
  • (B) Vinegar
  • (C) Baking soda solution
  • (D) Both (a) and (b)
With reference to Dry Ice, consider the following statements:
1. It is the solid form of carbon dioxide.
2. It is used primarily as a cooling agent.
3. It has a lower temperature than that of water ice and does not leave any residue.
Which of the statements given above is/are correct?
  • (A) 2 and 3 only
  • (B) 1, 2 and 3
  • (C) 1 and 3 only
  • (D) 2 only
Which of the following is/are correct with reference to Adenosine triphosphate (ATP)?
1. It is produced during the process of cellular respiration.
2. It provides the energy needed to drive the endothermic reactions in the cell.
Select the correct answer using the code given below.
  • (A) 1 only
  • (B) 2 only
  • (C) Both 1 and 2
  • (D) Neither 1 nor 2
Which of the following best describes reverse zoonotic event?
  • (A) A disease being transmitted from animals to humans
  • (B) It is a situation in which disease transmit from one animal species to other
  • (C) It is a situation where pathogens transmit from humans to animals.
  • (D) None of the above
Nitrogen gas is used in the tyres of an airplane because
  • (A) Nitrogen gas is inert unlike air
  • (B) It is heavier than air
  • (C) It forms liquid only below a very low temperature
  • (D) Both (a) and (c)
A person stands on loose sand and then lies down on it. He goes deeper into the sand while standing than while lying down . Which one of the following is the reason?
  • (A) The weight of the body is lesser while standing up.
  • (B) The density of the human body is lesser than sand
  • (C) The pressure on the sand is higher while standing up
  • (D) There is more friction between the body and the sand while lying down
The color of the sun appears reddish during sunset. Which of the following is the reason behind this phenomenon?
  • (A) Absorption of light rays by the atmosphere
  • (B) Human eyes are not sensitive to other colors during that part of the day
  • (C) Scattering of light rays by atmospheric particles
  • (D) The sun emits different wavelengths of light during different times of the day
Hyperspectral imaging is an imaging technique in which electromagnetic radiations of different frequencies can be captured. Which of the following is/are well- known applications of hyperspectral imaging?
1. Identification of tree species within a forest
2. Mineral exploration
3. Detection of bats by converting very high-frequency signals into low- frequency signals
Select the correct answer using the code given below.
  • (A) 1 and 2 only
  • (B) 2 only
  • (C) 1, 2 and 3
  • (D) 1 only
Which of the following best describes an Internet Cookie?
  • (A) It is a warning displayed on a webpage that cautions viewers against the contents of the webpage.
  • (B) It is any advertisement on a webpage that charges viewers when they click on it.
  • (C) It is a message given to a web browser intended to better guide the viewers through customization of webpages.
  • (D) It is a highlighted text on a webpage which can lead viewers to another webpage when they click on it.
Consider the following statements regarding virtual reality (VR) and augmented reality(AR) :
1. The real and virtual objects cannot be distinguished in VR whereas they can be distinguished in AR.
2. Both VR and AR can be viewed by users wearing special glasses only.
Which of the statements given above is/are correct?
  • (A) 1 only
  • (B) 2 only
  • (C) Both 1 and 2
  • (D) Neither 1 nor 2

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