April 23, 2020 – Daily Quiz

1. TriboE mask, to be used for protection from the COVID-19 works on the following principle.

(a) Traditional herbal antiviral coatings are surfaced on the mask.

(b) Electrostatics of materials restricts the entry of virus.

(c) UV radiations are generated to destroy the virus.

(d) Nanoparticles of Graphene adsorb the virus.

2. With reference to the Lithium, consider the following:-

  1. It so low in density that it floats on water.
  2. It is produced in the stars.

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

Q3. Which of the following statements is/are incorrect?

1. Blazars are the most luminous and energetic objects in the known universe.

2. Blazars do not emit gamma-rays.

Select the correct answer using the codes given below:

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2

4. Which of the following statements is/are correct?

1. Earth crust uplift during any earthquake produces compressional waves in the overlying atmosphere.

2. Amplitudes of these compressional waves increase with atmospheric heights.

Select the correct answer using the codes given below:

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2

5. What is the basic principle of using “Inactivated virus vaccine”?.

(a) Although the pathogen is killed, or made to lose its reproduction capacity, various parts of the virus are intact. 

(b) When as dead microbe is introduced, the immune system is tricked to respond by producing antibodies.

(c) Both (a) and (b)

(d) Neither (a) Nor (b)

Answers

1-(b)

https://pib.gov.in/newsite/PrintRelease.aspx?relid=202369

2-(c)

https://pib.gov.in/PressReleasePage.aspx?PRID=1616003

3-(b)

https://pib.gov.in/PressReleasePage.aspx?PRID=1615998

4-(c)

https://pib.gov.in/PressReleasePage.aspx?PRID=1611606

5-(c)

https://pib.gov.in/PressReleasePage.aspx?PRID=1615069

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