Khadins are used in Rajasthan to: (a) hold water for irrigation (b) recharge groundwater (c) promote soil erosion (d) trap wild animals

The use of one of the following is eco-friendly. This one is: (a) cars for transportation (b) polybags for shopping (c) windmills for generating power (d) dyes for colouring clothes

Which of the following combination of terms has no fossil fuel? (a) wind, ocean, coke (b) kerosene, tide, wind (c) wood, wind, sun (d) petrol, wood, sun

Ahars, Kattas, Bhundhis and Khadins are the modes of: (a) grain storage (b) soil conservation (c) water harvesting (d) cold storage

Groundwater will not be depleted due to: (a) process of afforestation (b) establishing thermal power plants (c) process of deforestation (d) cultivation of high yielding varieties of crops

Arabari forest of Bengal is dominated by: (a) Teak (b) Sal (c) Bamboo (d) Mangroove

Which of the following statement is incorrect? (a) economic development is linked to environmental conservation (b) sustainable development meets the current basic human needs and also preserves resources for future generations (c) ...

The pH of a sample of water collected from a river is found to be in the range of 3.5 to 4.5. The most likely reason for this is the waste being discharged into the river ...

The main reason for the abundant coliform bacteria in the water of river Ganga is : (a) immersion of ashes of the dead into the river (b) washing of clothes on the ...

The three R’s which can help us to conserve natural resources for long term use are : (a) recycle, regenerate, reuse (b) reduce, regenerate, reuse (c) reduce, reuse, redistribute (d) reduce, recycle, ...