NEET Botany Environmental Issues PDFs.MCQs,mock,model,sample test

Environmental Issues Mock Test-4

Question No:1

Accelerated aging process of lake, because of pollutants from activities like effluents from the industries and homes, is known as:

[A] Cultural Eutrophication
[B] Accelerated Eutrophication
[C] Both a and b
[D] Bio-magnification



Question No:2

Which of the following is/are caused by algal bloom in a water body?

[A] Scum
[B] Unpleasant odour
[C] Robbing the water of dissolved oxygen
[D] All of the above



Question No:3

Select the correct statement from the following.
(A) Thermal wastewater eliminates or reduces the number of organisms sensitive to high temperature.
(B) In a young lake the water is cold and clear supporting little life.
(C) DDT disturbs calcium metabolism in birds, which causes thinning of eggshell and their premature breaking, eventually causing decline in bird population.
(D) Terror of Bengal grows abundantly in eutrophic water bodies,

[A] A and B only
[B] C and D only
[C] A and D only
[D] A, B, C and D all



Question No:4

Which of these facts are true with regard to wastewater treatment in the town of Arcata, California?

[A] The cleaning occurs in two stages.
[B] In the first stage conventional sedimentation, filtering and chlorine treatment are given.
[C] In the second stage biologists developed a series of six connected marshes of over 60 hectors of marshland, appropriate plant, algae, fungi and bacteria are seeded in this area, which neutralizes, absorb and assimilates the pollutants.
[D] All of the above



Question No:5

Dry composting toilet is useful in handling human excreta because this is:

[A] Practical and hygienic
[B] Efficient
[C] Cost-effective
[D] All of the above



Question No:6

‘EcoSan’ toilets have been made effective in many areas of:

[A] Kerala
[B] Sri Lanka
[C] Both (a) and (b)
[D] None of these



Question No:7

Find the incorrect statement.

[A] Sanitary landfills were adopted as the substitute for open burning dumps.
[B] Seepage of chemical from landfills pollutes the underground water resources.
[C] All waste that we generate can be categorized into three types, i.e., bio-degradable, recyclable and non-biodegradable.
[D] Open dumps inhibit breeding of rats and flies.



Question No:8

Select the correct statement.
(A) Use of incinerator is crucial to disposal of hospital waste.
(B) Recycling is the only solution for the treatment of e-waste.
(C) Fish-eating birds containing ppm DDT become agents of biomagnifications.
(D) Poly bend, is a fine powder of bitumen

[A] A and B only
[B] B and C only
[C] C and D only
[D] A, Band C only



Question No:9

Road laid by poly blend with bitumen have all of the following properties except:

[A] More water repellant
[B] Increase road life by factor of three
[C] Less bleeding in summer
[D] Increase cost of road laying



Question No:10

Who prepared poly blend?

[A] Ahmed Khan
[B] RameshChandDagar
[C] Amrita Devi
[D] Sunderlal Bahuguna



Question No:11

Who created Haryana Kisan Welfare Club?

[A] Ahmed Khan
[B] RameshChandDagar
[C] Amrita Devi
[D] Sunderlal Bahuguna



Question No:12

Integrated organic farming is a _____ and _____ procedure,

[A] non-cyclical, zero waste
[B] cyclical, zero waste
[C] non-cyclical, wasteful
[D] cyclical, wasteful



Question No:13

Accidental leakage in nuclear plants occurred in:

[A] Three mile island
[B] Chernobyl
[C] Bhopal
[D] Both (a) and (b)



Question No:14

Problem with use of nuclear energy is:

[A] Accidental leakage
[B] Safe disposal of radioactive waste
[C] Both (a) and (b)
[D] None of these



Question No:15

Which of these is/are true with regard to nuclear radiation coming from nuclear waste?

[A] It causes mutation at very high rate
[B] High dose of radiation is lethal
[C] Low doses causes diseases like cancer
[D] All of the above