[PPSC Deputy Director, 2020]
46. Government of India encourages the cultivation of sea buckthorn. What is the importance of this plant? 1. It helps in controlling soil erosion and in preventing desertification. 2. It is rich source of biodiesel. 3. It has nutritional value 4. Its timber is of great commercial value.
Which of the statements given above is/are correct?
Only 1
2, 3 and 4
1 and 3
All of the above
47. What will be the effect on the albedo of the Earth if all water bodies freeze?
It will increase.
It will decrease.
It will remain unchanged.
There is no relationship between freezing of water bodies and albedo.
48. Which process does not result in the return of carbon dioxide to the atmosphere?
Combustion of fossil fuel
Decomposition of fossil fuels
Respiration by bacteria
Photosynthesis by green plants
49. Under which of the following circumstances can the President declare an emergency? 1) External aggression 2) Internal disturbances 3) Failure of the constitutional machinery in states 4) Financial crisis
Which of the statements given above are correct?
1, 2 and 3
1, 3 and 4
1, 2 and 4
50. Which of the following Union Territories has been provided with Legislative Assembly?
Delhi
Chandigarh
Lakshadweep
Dadra and Nagar Haveli