Ecological succession is generally demonstrated by: 1. Increase in productivity 2. Lack of niche development 3. Increasing complexity of food web Select the correct answer code:

Steel slag can be the material for which of the following? 1. Construction of base road 2. Improvement of agricultural soil 3. Production of cement Select the correct answer using the code given belo…

Which of the following is/are the function(s) of environment ? 1. Supplying resources 2. Sustaining life 3. Providing aesthetic services Select the correct answer using the code given below :

With reference to ecological niche, which of the following statements is/are correct? 1. It represents the range of conditions that it can tolerate the resources it utilizes and its functional role i…

In the context of ecosystem productivity, marine upwelling zones are important as they increase the marine productivity by bringing the 1. decomposer microorganisms to the surface. 2. nutrients to th…

In rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or to reduce carbon footprint? 1. Copper slag 2. Cold mix asphalt technology 3. Ge…