Tag: the biosphere

Quizzes (33) Questions (22)

Questions Related to the biosphere

Multiple choice geography the biosphere alternatives for minimising depletion of natural resources components of environment effects and successes of environment conservation

What is true of ecosystem?

  1. producers are more than primary consumers

  2. secondary consumers are the largest and most powerful.

  3. both a and b

  4. none of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Plants are called producers because they are able to use light energy from the sun to produce food (sugar) from carbon dioxide and water. Animals cannot make their own food so they must eat plants and/or other animals. They are called consumers. - 
Primary consumers are animals that eat primary producers; they are also called herbivores (plant-eaters). Secondary consumers eat primary consumers. They are carnivores (meat-eaters) and omnivores (animals that eat both animals and plants).
Multiple choice geography the biosphere alternatives for minimising depletion of natural resources components of environment effects and successes of environment conservation

Acid rains are produced by _________.

  1. excess $NO _2 and SO _2$ from burning fossil fuels
  2. excess production of $NH _3$ by industry and coal gas

  3. both a and b

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Acid rain is primarily caused by the emission of sulfur dioxide (SO2) and nitrogen oxides (NOx) from the combustion of fossil fuels, which react with water vapor in the atmosphere to form sulfuric and nitric acids.