426: 'Net metering' is sometimes seen in the news in the context of promoting the
(a) production and use of solar energy by the households/consumers
(b) use of piped natural gas in the kitchens of households
(c) installation of CNG kits in motor-cars
(d) installation of water meters in urban households
427: The greatest diversity of animal and plant species occurs in
(a) temperate deciduous forests
(b) tropical moist forests
(c) heavily polluted rivers
(d) deserts and savannas
428: Deforestation results in:
(1) Flora destruction
(2) Fauna destruction
(3) Ecological disbalance
(a) 1, 2 & 3
(b) 1 & 2
(c) 1 & 3
(d) 2 & 3
429: Terrace cultivation is practised mostly
(a) In urban areas
(b) On slopes of mountains
(c) On tops of hills
(d) In undulating tracts
430: The climate of India is of which of the following types?
(a) Monsoonal
(b) Mediterranean
(c) Tropical
(d) Savanna