Question
Match the following terms with their definitions in the
context of environmental science: Choose the correct answer from the options given below:Solution
Biomagnification refers to the increase in concentration of substances like pesticides or other chemicals as they move up the food chain. Carbon sequestration is crucial for mitigating the amount of CO₂ in the atmosphere, a significant factor in climate change. The ecological footprint measures how much land and water area a human population requires to produce the resource it consumes and to absorb its wastes. Albedo is a critical concept in climatology and environmental management, affecting Earth’s temperature by influencing the amount of sunlight that is absorbed versus reflected by surfaces.
An alloy of copper and tin contains 60% of copper. If 10 kg of more tin is added to the alloy, the copper content gets reduced to 50%. Find the quantity...
- Mixture ‘I’ of milk and water contains milk and water in ratio 2:1, respectively. What will be the ratio of milk to water in mixture ‘I’ when quant...
In a Mixture , the ratio of Milk and Water is 5 : 3. If 20 litre mixture drawn off and replace by 8 litre water then the ratio of Milk and Water become ...
- A container has a mixture of alcohol and water in the ratio 4:3. After removing 84 ml of the mixture and adding 168 ml of water, the quantity of water beco...
A cistern A has 270 litres of a milk–water mixture in the ratio 6:x. If 56 litres are withdrawn and mixed with 8 litres of water in another vessel B, ...
Quantity of water in a 330 litres mixture (Milk + Water) is 30 litres less than the quantity of milk in it. Find the quantity of water to be mixed so t...
A jar contains a mixture of milk and water in the ratio 6:5, respectively. If 10-litres of the mixture is taken out, then the quantity of water left in ...
26.75 litres of a mixture P (milk and water) is combined with another mixture Q. The resulting mixture has milk to water in the ratio 4:7. If mixture Q ...
A shopkeeper mixes two types of rice, one costing ₹40/kg and the other ₹60/kg, in a ratio of 2:3. He sells the mixture at ₹55/kg. Find his profit ...
A merchant mixes two varieties of rice of 6 kg and 4 kg, which cost him Rs. 7 and Rs. 5 per kg, respectively. What is the cost price (in Rs.) of the mix...