Anthropogenic activities and their impacts on environment

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Anthropogenic activities and their impacts on environment

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which organism would be expected to have the highest concentration level of mercury poisoning in its tissue? [ASRB NET Examination-2018]
A
aquatic plants (primary producer)
B
plankton (primary consumer)
C
sardine (secondary consumer)
D
tuna (tertiary consumer)
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A river and all the streams and smaller rivers that flow into it together makeup a [Assam State Level Eligibility Test (Assam SLET)/North East State Level Eligibility Test (NESLET)-1986]
A
tributary
B
water shed
C
river system
D
None of the above
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Name TWO environmental clues that indicate our climate is getting warmer. [CSIR UGC NET Examination-1980]
A
glaciers are melting, tress and flowers are blooming earlier
B
people are driving more and less jobs
C
Either (A) or (B)
D
Neither (A) nor (B)
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which example below is a nonrenewable resource? [Madhya Pradesh State Level Eligibility Test (MP SLET / SET)-2006]
A
solar
B
water
C
fossil fuels
D
wind
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Artificial reefs have a(n) ..... impact on the environment because they help create underwater ecosystems. [Uttarakhand State Eligibility Test (USET)-2007]
A
polluted
B
extinction
C
positive
D
increase
Question 6 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How does recycling help protect resources? [Goa State Eligibility Test (Goa SET)-2006]
A
we can drive more cars
B
we can hire less trash men to pick up our trash
C
keep our trash to a minimum
D
reduce the need for new resources to be mined
Question 7 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Another effect of Noise pollution is ..... [West Bengal State Eligibility Test (WB SET)-1989]
A
Fever
B
Malaria
C
Hearing Loss
D
None of the above
Question 8 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which situation is an example of pollution? [Jharkhand State Level Eligibility Test (Jharkhand SLET)-1983]
A
A large oil spill in the Gulf of Mexico killed many organisms that lived there
B
A huge volcanic eruption in Washington destroyed many habitats
C
Horseshoe crabs in the waters of Virginia have been overfished, and their numbers have declined
D
Water hyacinths from Asia now grow in the United States and are crowding out animals and other plants
Question 9 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Pollution causes the pH of rain water fall below 6. What is such type of rain called? [Andhra Pradesh State Eligibility Test (APSET)-2013]
A
Acid rain
B
Low PH rain
C
High PH rain
D
Polluted rain
Question 10 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Carbon Dioxide is important in our atmosphere because it is required for plants to survive and traps some heat, keeping the Earth warm. How can human produced carbon dioxide be a problem? [Assam State Level Eligibility Test (Assam SLET)/North East State Level Eligibility Test (NESLET)-1983]
A
causes uncontrolled photosynthesis
B
removes carbon dioxide from the oceans
C
disrupts the natural cycling of other greenhouse gases
D
leads to higher global temperatures
Question 11 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The following are density-dependent limiting factor EXCEPT: [DBT JRF Examination-2020]
A
Disease
B
Hurricane
C
Parasites
D
Lack of food
Question 12 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Land set aside for parks, wildlife habitat, recreation and agricuture is [Odisha State Eligibility Test (Odisha SET)-1995]
A
green land
B
open space
C
open land
D
green space
Question 13 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Approximately 45 million acres of tropical rain forest are destroyed each year. Which of these probably does not result from the burning and clearing of tropical rain forests? [Karnataka State Eligibility Test (KSET)-2001]
A
an increase in global warming
B
a decrease in the sources for new medicines
C
an increase in oxygen in the atmosphere
D
a decrease in the number of different species
Question 14 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a possible consequence of agriculture? [Assam State Level Eligibility Test (Assam SLET)/North East State Level Eligibility Test (NESLET)-2014]
A
Water pollution caused by soil erosion & the use of chemicals (fertilizer, pesticides etc)
B
Decrease in animal's natural habitats
C
Increase of flooding due to less areas for water infiltration
D
Provides jobs for many people
Question 15 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Fertilizers used to improve lawns and gardens may interfere with the equilibrium of an ecosystem because they [Andhra Pradesh State Eligibility Test (APSET)-1988]
A
cause mutations in all plants
B
cannot be absorbed by roots
C
can be carried into local water supplies
D
cause atmospheric pollution
Question 16 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Energy we get from earth's interior heat [AYUSH NET Examination-2001]
A
Geothermal
B
Solar Energy
C
Wind Energy
D
Hydroelectricity
Question 17 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Habitat destruction, pollution, and invasive species are examples of anthropogenic changes. What does this mean? [Bihar State Level Eligibility Test (Bihar SLET)-1991]
A
Changes that are completely natural
B
Changes that are related to genetic changes
C
Changes that are caused by population diversity
D
Changes that are caused by human activity
Question 18 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Human-induced environmental changes can affect living things at which level(s)? [ASRB NET Examination-1991]
A
organisms only
B
organisms and populations only
C
species only
D
organisms, populations and species
Question 19 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
These gases trap and hold energy of the sun in the atmosphere around the Earth and heat it. [Jharkhand State Level Eligibility Test (Jharkhand SLET)-2020]
A
Global Warming
B
Global Climate Change
C
Greenhouse Gases
D
Fossil Fuels
Question 20 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In a marsh, aluminum cans and paper cups have collected on the water's surface. How will this MOST LIKELY affect the animals and plants in the swamp? [Jammu & Kashmir State Eligibility Test (JK SET)-2015]
A
More plants will grow in the water.
B
Fish and plants will start dying slowly
C
New fish may come and live in the water
D
More fish-eating birds will come to the marsh.
There are 20 questions to complete.

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