UPSC IAS 2018 PRELIMS PRACTICE QUESTIONS : DAY 3/60 SAMVEG IAS

Q1All India Weights of different Sub-groups within Consumer Food Price Index is  given . order them  in their decreasing weight

1. Cereals and products
2. Milk and products
3. Vegetables
4. Oils and fats

Which of the above-mentioned statements is are correct?

1. 1, 2 ,3, 4
2. 1, 3, 2, 4
3. 2, 4, 1, 3
4. 1, 4, 3, 2

Q2 Which of the following can travel at speed of light

1. gravitational waves,
2. neutrinos
3. photon

Which of the above-mentioned statements is are correct?

1. 1 and 2 only
2. 2 and 3 only
3. 1 and 3 only
4. 1, 2 and 3

Q3Consider the following statements about the significance of Laser Interferometer Gravitational-Wave Observatory (LIGO)

1. Gravitational waves were first detected by LIGO
2. LIGO measured that they expanded and contracted the earth a tiny bit for a fraction of a second.
3. Gravitational waves. Predicted by Einstein’s famous theory, travel at the speed of light and are produced when very heavy objects such as black holes collide

Which of the above-mentioned statements is are correct?

1. 1 and 2 only
2. 2 and 3 only
3. 1 and 3 only
4. 1, 2 and 3

Q4 India-based Neutrino Observatory (INO) aims

1. to observe muon neutrinos that are continuously produced in the atmosphere when cosmic rays strike the earth
2. Until now the neutrinos were changing from electron-neutrino type that the sun was emitting to muon-neutrino type, and thus escaping detection.

Which of the above-mentioned statements is are correct?

1. 1 only
2. 2 only
3. Both 1 and 2
4. Neither 1 nor 2

Q5 Food and Agriculture Organization (FAO) is a

1. Specialized agency of the United Nations that leads international efforts to defeat hunger.
2. to achieve food security for all 
3. sure that people have regular access to enough high-quality food to lead active, healthy lives

Which of the above-mentioned statements is are correct?

1. 1 and 2 only
2. 2 and 3 only
3. 1 and 3 only
4. 1, 2 and 3