Question

which of the following is not a problem associated with agro ecosystems :1. creating a situation ideal for disease and inspect pests. (2) lack of inorganic nutrient recycling. (3)increased water and energy consumption. (4)increased dependence on relatively few varieties of plants for food ​

Answer 1

Answer:

The correct answer of this question is option 4,increased dependence on few varieties of plants for food.

Explanation:

Among the four options mentioned in the question,the first three options can cause direct harm to the agricultural ecosystems.

But the situation mentioned in the option 4, cannot cause any direct harm.In this situation we only have to increase the production of a particular species to replenish our food necessities.

That's why the option 4 is the correct answer of this question.

Answer 2

Answer:

(4) Increased dependence on relatively few varieties of plants for food  

Explanation:

The modern agricultural practices have been very much responsible for many environmental problems. This is because; agricultural practices may alter ecological balance and diversity that is very much necessary to support the interactions of living organisms.

Some major problems associated with agro ecosystems are- use of agricultural chemicals, dry land farming, soil erosion and conservation, changing the quality of rural landscapes, use of more water for farming, etc.