2396: 'Project Loon', sometimes seen in the news, is related to
(a) waste management technology
(b) wireless communication technology
(c) solar power production technology
(d) water conservation technology
2397: There is a concern over the increase in harmful algal blooms in the seawaters of India. What could be the causative factors for this phenomenon?
1. Discharge of nutrients from the estuaries.
2. Run-off from the land during the monsoon.
3. Upwelling in the seas.
Select the Correct answer from the codes given below:
(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
2398: The Ajanta Caves were built during the period of:
(a) Guptas
(b) Kushans
(c) Mauryas
(d) Chalukyas
2399: Which one of the following fuels causes minimum environmental pollution ?
(a) Diesel
(b) Coal
(c) Hydrogen
(d) Kerosene
2400: Significantly higher level of urea in the blood is the indication of
(a) Liver damage
(b) Kidney damage
(c) Heart attack
(d) Spleen damage