Which is the first solar powered aircraft to circumnavigate the earth?

1) Solar Impulse-4

2) Solar Impulse-2

3) Solar Impulse-3

4) Solar Impulse-1

One of the best solutions to get rid of non-biodegradable wastes is -

1) burning

2) dumping

3) burying

4) recycling

Which of the following is the cleanest fuel for motorized vehicles ?

1) Hydrogen (In the form of hydride)

2) CNG

3) LNG

4) Biofuel

Which of the following is the cleanest fuel for motorized vehicles ?

1) Hydrogen (In the form of hydride)

2) CNG

3) LNG

4) Biofuel

What is a 'Solar Impulse 2'?

1) Solar-powered mobile phone

2) Solar-powered missile

3) Solar-powered submarine

4) Solar-powered plane

Which one of the following pairs is not correctly matched?

1) Computer : Charles Babbage

2) Radio : Karl Benz

3) Barometer : E. Torricelli

4) Dynamo : Michael Faraday

The communication satellites are invariably -

1) revolving at their own speed

2) stationary

3) geostationary

4) changing their track and speed

Which of the following is not a biome?

1) Desert

2) Grassland

3) Ecosystem

4) Tundra

Which of the following is not a pillar of much talked about 'Industry 4.0'?

1) Industrial Internet of Things

2) Use of solar power for manufacturing

3) Augmented Reality

4) Big Data Analytics

Oparin's theory about "Origin of life" is related to :

1) biological evolution

2) artificial evolution

3) chemical evolution

4) physical evolution

Who among the following laid the foundation of chemical sciences by establishing two important laws of chemical combination?

1) Joseph L. Proust

2) Democritus

3) Ernest Rutherford

4) Antoine L. Lavoisier