Question 1.
The better way to assess the pollution level of a water body is to calculate the:
(a) Nutrient level
(b) Number of organisms
(c) Coliform count
(d) Pesticide level.Answer

Answer: (c) Coliform count

Question 2.
The purpose of rainwater harvesting is to:
(a) use it for irrigation
(b) culture fishes
(c) use it for washing ears
(d) recharge ground waterAnswer

Answer: (d) recharge ground water

Question 3.
‘Kulhs’ the ancient water harvesting structure were made in
(a) Manipur
(b) Bihar
(c) Himachal Pradesh
(d) Uttar PradeshAnswer

Answer: (c) Himachal Pradesh

Question 4.
The three R’s that will help us to conserve natural resources for long term use are
(a) recycle, regenerate, reuse
(b) reduce, regenerate, reuse
(c) reduce, reuse, redistribute
(d) reduce, recycle, reuseAnswer

Answer: (d) reduce, recycle, reuse

Question 5.
Amrita Devi Bishnoi sacrificed her life to protect the
(a) Palm trees
(b) Khejri trees
(c) Sal trees
(d) Teakwood trees.Answer

Answer: (b) Khejri trees

Question 6.
Khadins, bundhis, ahars and kattas are ancient structures built for the purpose of:
(a) store grains
(b) conserve soil
(c) water harvesting
(d) conserve wildlife.Answer

Answer: (c) water harvesting

Question 7.
The Tehri Dam is constructed on River
(a) Yamuna
(b) Bhagirathi
(c) Ravi
(d) SutlejAnswer

Answer: (b) Bhagirathi

Question 8.
The degraded Arabari forests were revived by the efforts of
(a) A.K. Chatterjee
(b) A.K. Baneijee
(c) Sunder Lai Bahuguna
(d) Amrita DeviAnswer

Answer: (b) A.K. Baneijee

Question 9.
Which plan has been started by government to control pollution of Ganga?
(a) Ganga Action Plan
(b) Ganga Revival Plan
(c) Swachh Jal Abhiyan
(d) Ganga Restoration PlanAnswer

Answer: (a) Ganga Action Plan

Question 10.
Which pH range is most suitable for life of fresh water plants and animals?
(a) 6.5 – 7.5
(b) 2.0 – 3.5
(c) 3.5 – 7.0
(d) 9.0 – 10.5Answer

Answer: (a) 6.5 – 7.5

Question 11.
The most appropriate definition of a natural resource is that it is a substance/commodity that is
(a) present only on land
(b) a gift of nature which is very useful to mankind
(c) a man-made substance placed in nature
(d) available only in the forestAnswer

Answer: (b) a gift of nature which is very useful to mankind

Question 12.
The main cause for abundant coliform bacteria in the river Ganga is
(a) disposal of unbumt corpses into water
(b) discharge of effluents from electroplating industries
(c) washing of clothes
(d) immersion of ashesAnswer

Answer: (a) disposal of unbumt corpses into water

Question 13.
Among the statements given below select the ones that correctly describe the concept of sustainable development
(i) Planned growth with minimum damage to the environment

(ii) Growth irrespective of the extent of damage caused to the environment

(iii) Stopping all developmental work to conserve the environment
(iv) Growth that is acceptable to all the stakeholders
(a) (i) and (iv)
(b) (ii) and (iii)
(c) (ii) and (iv)
(d) (iii) onlyAnswer

Answer: (a) (i) and (iv)

Question 14.
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
(a) (i) and (ii)
(b) (i), (ii) and (iii)
(c) (ii) and (iv)
(d) (i), (iii) and (iv)Answer

Answer: (b) (i), (ii) and (iii)

Question 15.
Select the incorrect statement.
(a) Economic development is linked to environmental conservation
(b) Sustainable development encourages development for current generation and conservation of resources for future generations
(c) Sustainable development does not consider the view points of stakeholders
(d) Sustainable development is a long planned and persistent developmentAnswer

Answer: (c) Sustainable development does not consider the view points of stakeholders

Question 16.
Pick the right combination of terms which has no fossil fuel.
(a) Wind, ocean and coal
(b) Kerosene, wind and tide
(c) Wind, wood, sun
(d) Petroleum, wood, sunAnswer

Answer: (c) Wind, wood, sun

Question 17.
Select the eco-friendly activity among the following:
(a) Using car for transportation
(b) Using polybags for shopping
(c) Using dyes for colouring clothes
(d) Using windmills to generate power for irrigationAnswer

Answer: (d) Using windmills to generate power for irrigation

Question 18.
A successful forest conservation strategy should involve
(a) protection of animals at the highest trophic level
(b) protection of only consumers
(c) protection of only herbivores
(d) comprehensive programme to protect all the physical and biological componentsAnswer

Answer: (d) comprehensive programme to protect all the physical and biological components

Question 19.
Arabari forests of Bengal is dominated by
(a) Teak
(b) Sal
(c) Bamboo
(d) MangroveAnswer

Answer: (b) Sal