Friday Science Quiz #12

Good morning everyone,

Here are the 6 questions on Science and Technology for you all to practice. Attempt these questions and write your answers in comment section. We will be publishing answers at 5 PM today, then you can verify your answers.

[Questions]

Q1. Genetically engineered mosquitoes are being suggested to fight mosquito borne diseases. How will such mosquitoes help in fight against Dengue and Malaria?

a) The GM mosquitoes will predate on mosquitoes that carry the disease

b) The GM mosquitoes will procreate with existing mosquitoes and produce off-springs that cannot mature

c) The GM mosquitoes will slowly increase in population replacing normal mosquitoes.

d) The GM mosquitoes’ blood will be used to develop vaccines for Dengue and Malaria

 

Q2. Consider the following statements regarding Bhuvan.

1. Bhuvan is a satellite mapping tool closely resembling Google Maps

2. Bhuvan has been indigenously developed by DRDO

Select the correct statement using the codes given below.

a) 1 only

b) 2 only

c) Both 1 & 2

d) Neither 1 nor 2

 

Q3. Which among the following are the field of application of Independent Regional Navigation Satellite System (IRNSS):

1. Aerial Navigation

2. Terrestrial Navigation

3. Vehicle Tracking

4. Geodetic Data Capture

Select the correct answer using the codes given below:

a) 1 and 2 only

b) 1, 2 and 3 only

c) 2, 3 and 4 only

d) 1, 2, 3 and 4

 

Q4. Trace Gas Orbiter (TGO) is a

a) Jointly Launched Mars Mission by China Space Agency and NASA

b) Jointly proposed Mars mission by NASA and ISRO

c) Jointly launched Mars Mission by Russian and European Space Agency.

d) None of the above

 

Q5. Red light is used in railway signals for “stop”. The reason behind using red light for this purpose is ­

a) Red light have always been used as a signal of danger.

b) The wavelength of red light is maximum in visible light spectrum and hence dispersion is minimum.

c) The wavelength of red light is minimum in visible light spectrum and hence dispersion is minimum.

d) The wavelength of red light is maximum in visible light spectrum and hence diffraction is minimum.

 

Q6. To create lesser e-waste, wireless charging has emerged as a promising solution. Wireless charging works on the principle of:

a) Li-Fi

b) Electromagnetic induction

c) LASER

d) Wi-Fi

 

Q7. Consider the following statements about Rechargeable Magnesium Battery?

1. It is a substitute to Lead Acid Battery.

2. Consists of natural graphite as cathode and magnesium as anode.

3. Battery’s life is self-renewing.

Which of the following statements is/are not correct?

a) 1 only

b) 1 and 2 only

c) 3 only

d) None of the above