CBSE Class 10 Biology Management of Natural Resources MCQs Set D

Question: The pH of water sample collected from a river was found to be acidic in the range of 3.5 to 4.5. On the bank of the river were several factories that were discharging effluents into the river. The effluents of which one of the following factories is most likely cause for lowering the pH of river water?
a) Soap and detergent industry
b) Plastic cup manufacturing industry
c) Lead battery manufacturing industry
d) Alcohol distillery
Answer: c

Question: What is the pH level at which rain is called acid rain?
a) Below 5.6
b) Above 5.6
c) Below 7
d) Below 6.5
Answer: a

Question: 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: c

Question: Which are the types of pollution from the following options?
a) Air
b) water
c) noise
d) all of the options
Answer: d

Question: In our country, vast tracts of forests are cleared and an economically important crop is cultivated. This practice promotes:
a) Biodiversity in the area
b) Monoculture in the area
c) Growth of natural forest
d) Preserving natural ecosystem in the area
Answer: b

Question: Acid rain occurs because:
a) The sun leads to heat the upper layer of the atmosphere
b) Burning of fossil fuels releases oxides of carbon, nitrogen and sulphur in the atmosphere
c) The earth's atmosphere contains acids
d) Electrical charges are produced due to friction among the clouds
Answer: b

Question: Which gas is responsible for global warming?
a) O₂
b) N₂
c) H₂
d) CO₂
Answer: d

Question: Canal irrigation system called Kulhs had evolved in:
a) H.P.
b) Bihar
c) Karnataka
d) Gujarat
Answer: a

Question: Ecological imbalance in the biosphere is created by
a) Cutting of forests
b) Conservation of forest
c) Production of more paper
d) Both Cutting of forests and Production of more paper
Answer: d

Question: A successful forest conservation strategy should involve:
a) Protection of animals at the highest trophic levels
b) Protection of consumers only
c) Protection of herbivores only
d) Comprehensive programme to protect all the physical and biological components
Answer: d

Question: Ground water will not be depleted due to–
a) afforestation
b) thermal power plant
c) loss of forest and decreased rainfall
d) growing of water demanding crops
Answer: a

Question: Water harvesting is an age-old concept in India. Various methods are used in different regions of India. Khadins water harvesting method is used in:
a) Rajasthan
b) Maharashtra
c) Bihar
d) Uttar Pradesh
Answer: a

Question: The following are stakeholders of forests. Which one of these causes the maximum damage to forest?
a) People who live in or around the forest
b) The industrialists
c) The wildlife and nature enthusiasts
d) The forest department of the government
Answer: b

Question: An Agroforestry ,taungya consists of:
a) Growing crops in between rows of trees
b) Growing crops after removal of trees
c) Growing trees on degraded soils
d) All the above
Answer: a

Question: At which of the following places are royal Bengal tigers found?
a) Mahanadi delta
b) Godavari delta
c) Kaveri delta
d) Sundarban delta
Answer: d

Question: Which out of them can be recycled many times?
a) Plastic
b) Wood
c) Organic materials
d) Aluminum
Answer: d

Question: Taj Mahal in Agra is said to be suffering from ‘marble cancer’. Which of the following statements correctly define marble cancer?
a) Formation of fungus on the walls of Taj Mahal
b) Corrosion of marble by acid rain
c) Formation of perforations in Taj Mahal
d) Yellowing of marble by soot particles
Answer: b

Question: Arabari forests of Bengal is dominated by:
a) Teak
b) Sal
c) Bamboo
d) Mangrove
Answer: b

Question: In winter season, visibility reduces in heavily polluted cities due to the
a) Formation of smog
b) Reduction in O₃
c) Excess of burnt hydrocarbons
d) Formation of CO₂
Answer: a

Question: The presence of which microorganism in Ganga water indicates contamination?
a) Lactobacillus bacteria
b) Amoeba
c) Coliform bacteria
d) Mucor spores
Answer: c

 Question: Among the following choose the correct option which includes acts related to the three R’s strategy which can be useful for conserving our natural resources?
a) Recycle, regenerate, reuse
b) Reduce, regenerate, reuse
c) Reduce, reuse, redistribute
d) Reduce, recycle, reuse
Answer: d

Question: Which of these practices can be adopted to save the environment?
a) Refuse the use of single-use plastic bags
b) Reduce the use of paper bags
c) Recycle single-use bags
d) Reuse waste food
Answer: a

Question: Following is used to check pH value:
a) universal adapter
b) universal indicator
c) Universal meter
d) none
Answer: b

Question: Which of the following statements is correct about biomass?
a) It converts chemical energy into kinetic energy.
b) It is a renewable form of energy.
c) It is the inorganic matter used as a fuel.
d) It is an organic matter produced by plants and animals.
Answer: d

Question: Opposition to the construction of large dams is due to:
a) Social problems
b) Economic problems
c) Environmental problems
d) all of the options
Answer: d

Question: Which of the following cities is not situated on the banks of the Ganges?
a) Allahabad
b) Mathura
c) Varanasi
d) Howrah
Answer: b

Question: Tehri Dam is built on the river ______________.
a) Yamuna
b) Ganga
c) Satluj
d) Beas
Answer: b

Question: Following is a GreenHouse Gas:
a) CO₂
b) CO
c) SO₂
d) none
Answer: a

Question: Which of the following is domestic cooking gas?
a) Alcohol
b) Diesel oil
c) Liquid Petroleum Gas
d) Coal gas
Answer: c

Question: Total land available for grazing in India is
a) 23%
b) 29%
c) 31%
d) 37%
Answer: d

Question: Environment is formed of:
a) Only biotic components
b) Only abiotic components
c) Both of the above
d) None of the options
Answer: c

Question: Which of the following activities will prove to be effective in preventing floods?
i. Removing the topsoil
ii. Afforestation
iii. Construction of dams
iv. Cutting of trees
Choose the correct option from the following:
a) (i) and (iv)
b) (ii) and (iii)
c) (iii) and (iv)
d) (ii) and (iv)
Answer: b

Question: Among the statements given below, select the ones that correctly describe the concept of sustainable development:
i) Planned growth with minimum damage in 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) only
Answer: a

Question: In our country, there are attempts to increase the height of the several existing dams like Tehri and Almati dams across Narmada River.
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: d

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