Tag: general knowledge

Quizzes (3615) Questions (119858)

Questions Related to general knowledge

Multiple choice general knowledge science & technology

Which of the following is/are true about Ozone layer?

  1. Ozone layer is a concentration of ozone molecules up in the Stratosphere (10 to 50 kms)

  2. Ozone is produced only at the ground level and flows to high altitude to form Ozone layer

  3. In Stratosphere Ultraviolet rays break down oxygen molecules into atomic oxygen(O) which then combines with Oxygen molecule(O2) to form Ozone (O3)

  4. Around 90% of the Ozone in our atmosphere is contained in Troposphere only (within 10 kms)
Reveal answer Fill a bubble to check yourself
A,C Correct answer
Full explanation
Multiple choice general knowledge science & technology

Which one of the following is used to measure ozone level in the atmosphere?

  1. By the number of ozone atoms in an atmospheric column, called Chapman unit

  2. By expressing the columnar density of Ozone in Dobson unit (thickness of ozone in an atmospheric column under standard temperature and pressure)

  3. By measuring the ultraviolet radiation level in the ground

  4. By measuring the Oxygen level in the Stratosphere
Reveal answer Fill a bubble to check yourself
B Correct answer
Full explanation
Multiple choice general knowledge science & technology

One of the following does NOT cause depletion in Ozone layer. Which one is it?

  1. Human activities of using CFC, HCFC within air-conditioners or refrigerators

  2. Man-made climate change leading to unusual reduction in stratospheric temperature (while temperature nearer earth increases)

  3. Dumping of old refrigerators in the ground

  4. Volcanic eruptions leading to injection of hydrogen chloride (HCl) into the atmosphere
Reveal answer Fill a bubble to check yourself
D Correct answer
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Multiple choice general knowledge science & technology

It is known that if Ozone layer is depleted, ultraviolet rays, especially UV-B reaches the ground. Which one of the following is NOT an impact of Ozone depletion?

  1. Human health is severely impacted with impacts such as Skin Cancer, cataracts and damage to immune systems

  2. Phytoplankton production is reduced leading to severe impact on marine ecosystems

  3. Ozone depletion directly leads to natural calamities such as storms, floods etc

  4. By severely damaging plants and other sinks of greenhouse gases, ozone depletion leads to climate change
Reveal answer Fill a bubble to check yourself
C Correct answer
Full explanation