Science exemplar problems class 10 Solutions for Chapter 14 management of natural resources

The pH range most conducive for life of fresh water plants and animals is

The important message conveyed by the ‘Chipko Movement’ is,

The main cause for abundant coliform bacteria in the river Ganga is

The pH of water sample collected from a river was found to be acidic in the range of 3.5 – 4.5, on the banks of the river were several factories that were discharging effluents into the river. The effluents of which one of the following factories is the most likely cause for lowering the pH of river water?

The most rapidly dwindling natural resource in the world is

In our country, vast tracts of forests are cleared and a single species of plant is cultivated. This practice promotes,

In our country, there are attempts to increase the height of several existing dams like Tehri and Almati, dams across Narmada. Choose the correct statements among the following that are a consequence of raising the height of dams

(i) Terrestrial flora and fauna of the area is destroyed completely

(ii) Dislocation of people and domestic animals living in the area

(iii) Valuable agricultural land may be permanently lost

(iv) It will generate permanent employment for people

The three R’s that will help us to conserve natural resources for long term use are

Which of the following is not a natural resource?

A successful forest conservation strategy should involve

Select the incorrect statement

Expand the abbreviation GAP

Opposition to the constrution of large dams is due to

Khadins, Bundhis, Ahars and Kattas are ancient structures that are examples for

Which of the following is not a natural resource?

Given below are a few statements related to biodiversity. Pick those that correctly describe the concept of biodiversity

(i) Biodiversity refers to the different species of flora and fauna present in an area

(ii) Biodiversity refers to only the flora of a given area

(iii) Biodiversity is greater in a forest

(iv) Biodiversity refers to the total number of individuals of a particular species living in an area

Select the wrong statement

Arabari forests of Bengal is dominated by

Ground water will not be depleted due to

Select the eco-friendly activity among the following

It is important to make small check dams across the flooded gullies because they

(i) hold water for irrigation

(ii) hold water and prevent soil erosion

(iii) recharge ground water

(iv) hold water permanently