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 the surface 3. bottom-dwelling organisms to the surface. Which of the statements given above is/are correct?

Consider the following statements: 1. Agricultural soils release nitrogen oxides into the environment. 2. Cattle release ammonia into the environment. 3. Poultry industry releases reactive nitrogen c…

Consider the following statements: 1. As per a recent amendment to the Indian Forest Act, 1927, forest dwellers have the right to fell the bamboos grown on forest areas. 2. As per the Scheduled Tribe…

With reference to 'Ecosystem', which of the following statements is/are correct? 1. Green plants in terrestrial ecosystem capture about 1% of energy of the sunlight that falls on their leaves. 2. Aro…

There is a concern over the increase in harmful algal booms in the sea waters of India. What could be the causative factors for this phenomenon ? 1. Discharge of nutrients from the estauraries. 2. Ru…

Consider the following statements: 1. Under Ramsar Convention, it is mandatory on the part of the Government of India to protect and conserve all the wetlands in the territory of India. 2. The Wetlan…