CTET Solved Question Papers Quest-1

Quest-1.‘Development is a never ending process.’ This idea is associated with-=

a) Principle of integration

b) Principle of interaction

c) Principle of interrelation

d) Principle of continuity

Ans-) d

Quest-2. Four distinct stages of children’s intellectual development are identified by-

a) Skinner

b) Piaget

c) Kohlberg

d) Erikson

Ans-) b

Quest-3. ‘‘A yung child responds to a new situation on the basis of the response made by him/her in a similar situation as in the past.’’ This is related to - 

a) ‘Law of Attitude’ of learning process

b) ‘Law of Readiness’ of learning

c) ‘Law of Analogy’ of learning

d) ‘Law of Effect’ of learning

Ans-) d

Quest-4. The best way, specially at primary level, to address the learning difficulties of students is to use - 

a) easy and interesting textbooks

b) story-telling method

c) a variety of teaching methods suited to the disability

d) expensive and glossy support material

Ans-) c

Quest-5. According to Piaget, at which of the following stages does a child begin, to think logically about abstract propositions?

a) Concrete operational stage (07 – 11 years)

b) Formal operational stage (11 years and up)

c) Sensori-motor stage (Birth – 02 years)

d) Pre-operational stage (02 – 07 years)

Ans: c

Quest-6. Which of the following will foster creativity among learners ?

a) Teaching the students the practical value of good education

b) Providing opportunities to question and to nurture the innate talents of every learner

c) Emphasizing achievement goals from the beginning of school life

d) Coaching students for good marks in examination

Ans: b

Quest-7. It has been observed that the process of digestion is faster inside the stomach than outside because - 

a) the digestive juices inside the stomach are acidic, while outside they are alkaline

b) the amount of digestive juices produced in the stomach in the presence of food is much more

c) the digestive juices when kept outside the stomach become inactive

d) the food is churned in the stomach thereby increasing the surface area for quicker enzyme action

Ans-) c

Quest-8. Cooked rice can be preserved for a longer time in a refrigerator because

a) microbes become inactive at low temperature

b) microbes are destroyed and killed at low temperature

c) moisture content in the food is reduced at low temperature

d) refrigerators contain certain chemicals which kill the microbes

Ans-) b

Quest-9. A lemon sinks in normal water but floatsin salty water because the density of -

a) salt water is more than normal water

b) normal water is more than salt water

c) lemon increases in salt water

d) lemon decreases in salt water

Ans-) d

Quest-10. Malaria can be detected by testing the blood for the presence of

a) ruptured liver cells in blood

b) larvae of mosquito in blood

c) eggs of mosquito in red blood cells

d) Plasmodium in red blood cells

Ans-) b

How to Prepare For Written Exam Which of phrases given below each sentence should replace the phrase printed in bold type to make the grammatically correct? If the sentence is correct as it is, mark ‘E’ as the answer.

Quest-11. We demonstrated to them how wewere preparedthe artistic patterns.

a) are prepared

b) have prepared

c) are preparing

d) had preparede) No correction required

Ans-) d

Quest-12. Because of his mastery in this field, hissuggestionsare wide accepted.

a) are widely accepted

b) widely acceptance

c) have widely accepted

d) have been wide acceptede) No correction required

Ans-) a

Quest-13.They felt humiliated because they realised that theyhad cheated.

a) have been cheated

b) had been cheated

c) had been cheating

d) were to be cheated

e) No correction required

Ans-) b

Quest-14. Tax evadersshould heavily punishedasthey do it intentionally.

a) should be heavy fined

b) should have heavily fined

c) shall have heavy fine

d) should be heavily finede) No correction required

Ans-) d

Quest-15.We met him immediately after the session in which hehad beengiven a nice speech.

a) would be giving

b) has been given

c) will have given

d) had given

e) No correction required

Ans-) d

Quest-16.For some days the new professor lecturedabove the headsof his pupils.

a) over the head of

b) over the heads of

c) on the heads of

d) through the heads of

e) No correction required

Ans-) b

Quest-17.The accused now flatly denieshave admittedhis guilt in his first statement.

a) having admitted

b) had admitted

c) have been admitting

d) has admitting

e) No correction required

Ans-) a

Important objectives type questions answer on environmental for central and primary teacher eligibility test

1. Due to Corriolis effect, wind in the:

A. Northern Hemisphere moves to the left with respect to the rotating earth.

B. Northern Hemisphere moves to the right.

C. Southern Hemisphere move northward.

D. Both Hemisphere move independent of each other.

2. Precipitation of CaC03 may occur when:

A. Sea water is shallow and CO2 is lost.

B. Sea water is warm and CO2 is being lost.

C. Sea water is cold and CO2 is being lost.

D. Sea water is deep and CO2 is being added.

3. CO, in soil and C02 in atmosphere differ:

A. by a factor of 2

B. by a factor of 1

C. by a factor of 3.5

D. by a factor of 4

5. Trapping plume occurs when:

A. Temperature increases with height.

B. Temperature decreases with height.

C. Temperature remains steady with height.

D. Plume lies in a lapse region and sandwiched between inversion layers.

6. The pH of a solution containing hydrogen ions concentration of 10"5 mol/L is:

A. 5.0.

B. 7.0

C. 2.0

D. 9.0

7. Malathion is:

A. Organo Phosphorus Pesticide

B. Organo Chloro Pesticide

C. Organo Carbamate Pesticide

D. Not a Pesticide

8. Critical point for water in a P - T diagram Suggests: (One statement only is correct)

A. Water is unstable

B. Steam is the only stable phase

C. Both ice and steam are stable phases

D. Steam, liquid water and ice are stable phases

9. The range of pH for river water in India is:

A. 1 - 14

B. 4 - 5

C. 6.5 - 8.0

D. 7 - 12

11. Ozone toxicity to plants is generally due to the involvement of which unsaturated hydrocarbons:

A. Unsaturated fatty acid

B. Methylene

C. Ethylene

D. None of the above

12. In vitro pollen germination is inhibited by:

A. SO2

B. 03

C. Both of the above

D. None of the above

13. Which one of the following is the most productive ecosystem?

A. Oligotrophic Lake

B. High Sea

C. Estuary

D. Savanna

14. Vermiculture technology is used in:

A. Production of Fish

B. Animal Husbandary

C. Poultry Farming

D. Organic Farming

15. Which one of the following sequence represents increasing order of toxicity of metals?

A. Ca. Zn, Cd, Mn

B. Ca, Mn, Zn, Cd

C. Zn, Mn, Cd, Ca

D. Mn, Cd, Zn, Ca

16. Energy flow in an ecosystem is:

A. Cyclic

B. Multidirectional

C. Sequential

D. Unidirectional

17. Removal of key-stone species would cause:

A. Drastic change in community composition

B. Drastic change in ecological system

C. Drastic change in food chain

D. Drastic change in energy flow

18. Match List-I and List-II and select correct answer:

List-I List-II

(a) Mesozoic (i) Tertiary

(b) Proterozoic (ii) Triassic

(c) Cenozoic (iii) Pre Cambrian

(d) Paleozoic (iv) Permian

A b c d

A iii ii i iv

B. ii iii i iv

C. ii iii iv i

D. iii ii iv i

19. Correct order of increasing energy content for various types of coal is:

A. Anthracite, Peat, Bit-coal, Lignite

B. Lignite, Peat, Bit-coal, Anthracite

C. Peat, Lignite, Bit-coal, Anthracite

D. Peat, Lignite, Anthracite, Bit-coal

20. Silica content of granodiorite is in the range of:

A 22 - 44 %

B. 66 - 88 %

C. 44 - 56 %

D. 44 - 66 %

21. Formation of sedimentary chalcopyrite requires: 

A. High pH, high Eh 

B. Low pH, high Eh 

C. Only low Eh 

D. Low Eh, low pH

22. Bowen's law basically tells us:

A. How a sedimentary rock is formed?

B. How various igneous minerals are formed?

C. How some economic minerals are formed?

D. Both A and B are correct

24. The most abundant alkaline component of the atmosphere is:

A. Ammonia

B. Nitrogen

C. Sulphur dioxide

D. Carbon Dioxide

25. The faecal indicator bacteria are:

A .Staphylococcus aureus

B. Streptococeus faecalis

C. Escherichia coli

D. Salmonella typhi

26. The maximum permissible level of BOD (mg/1) in wastewater that is let into river is:

A. 20

B. 30

C. 40

D. 10

27. Coral reefs are vulnerable to:

A. Siltation

B. Flood water

C. Nutrients

D. Salt flow

28. Assertion (A): The mangroves are nursery ground for fish and larvae.

Reason (R): The mangroves are covered with mangrove plants that enrich the environment.

A. Both (A) and (R) are true and (R) is the correct explanation of (A)

B. Both (A) and (R) are true but (R) is not the correct explanation of (A)

C. (A) is true but (R) is false

D. (A) is false but (R) is true

31. All lands with tree cover of canopy density of 40% and above is notified as:

A. Scrub

B. Open forest

C. Dense forest

D. Forest covers

33. The Water (Prevention and Control of Pollution) Act 1974....

A. Regulates the discharge of hazardous pollutants into the nation's surface water.

B. Regulates the emission of hazardous air pollutants.

C. Regulates waste disposal of sea.

D. Regulates the transportation of hazardous materials.

34. The harmonic mean of the numbers 0, 2, 4, and 6 is:

A. 3

B. 0

C. 2

D. 1

35. Assertion (A): Wetlands are often described as ecotones.

Reason (R): Wetlands are biologically rich dynamic zones of transition between two different ecosystems.

A. Both (A) and (R) are true and (R) is the correct explanation of (A)

B. Both (A) and (R) are true but (R) is not the correct explanation of (A)

C. (A) is true but (R) is false

D. (A) is false but (R) is true

36. The first National Park established in India is: A Indira Gandhi National Park

B. Indravati National Park

C. Corbett National Park

D. Kaziranga National Park

38. A device fitted to the exhaust system petrol driven motor vehicle to reduce emissions of pollutants is called as:

A. Conversion System

B. Conversion Kit

C. Catalytic Converter

D. Catalytic Box

41. Which one of the following group of plants is most resistant to ionizing radiations?

A. Coniferous Forest

B. Grass Land

C. Lichen and Mosses

D. Mixed Forest

42. How many moles of oxygen are required to burn one mole of propane?

A. 2

B. 3

C. 4

D. 5

43. What percentage of India's population lives in Urban Centres?

A. 20

B. 30

C. 10

D. 50

44. The recent asbestos controversy about the French ship going to Alang was primarily due to:

A. Violation of Indian Coastal Zone Laws.

B. Violation of Transnational Movement of Hazardous Waste.

C. Gujarat State Pollution Control Laws

D. Indian Air Pollution Laws

45. Due to the increasing energy use the ozone layer over the arctic is:

A. Increasing

B. Decreasing

C. Not shifting in size

D. Not affected at all

46. Ecological restoration of degraded sites is aimed to:

A. Restore all biophysical characteristics of pristine ecosystem.

B. Restore social desirable and economically feasible characteristics of original ecosystem.

C. Leave it alone and allow natural regeneration.

D. Prohibit all human activity in the area.

47. The first Environmental Law in India was enacted in:

A. 1947

B. 1950

C. 1972

D. 1982

49. The mean annual rainfall in India is:

A. 110 mm

B. 110 cm

C. 85 cm

D. 110 m

50. The median of a set of numbers 2, 5, 8, 10, 12, 16, 20, 23:

A. 10

B. 11

C. 12.5

D. 9

Answers

1

2

3

5

A

A

D

D

6

7

8

9

A

A

D

C

11

12

13

14

15

B

B

D

D

B

16

17

18

19

20

D

A

B

C

A

21

22

24

25

B

D

B

C

26

27

28

29

30

D

C

B

B

B

31

33

34

35

B

A

B

C

36

38

C

C

41

42

43

44

45

C

B

B

B

B

46

47

49

50

A

B

B

B


Content By -
Ripon Sarkar
Balurghat, West Bengal

WBPTET Environmental Science multiple choice Q&A (SET-01)

1. Which of the following statement about Fjord is incorrect?
A. Most Fjords were formed due to raise in sea level after the melting of Pleistocene ice
B. It is an emergent coast that was originally submerged
C. It is a long narrow inlet of the sea bound by steep slopes
D. It is a glaciated valley that has been inundated by the sea

3. Residence time of water molecule in the ocean is:
A. 3.5 years
B. 3.5 million years
C. 35 years
D. 35000 years

4. Hyperplasia means:
A. excessive motility of a muscle
B. Voracious eating
C. Abnormal increase in number of cells
D. An increase in size of a cell

5. Carbon dioxide absorbs radiation in the range:
A. 5.5 and 7 microns
B. Greater than 27 microns
C. 8 to 13 microns
D. 0.1 to 30 microns

6. Sodium is usually estimated by which of the following analytical technique:
A. Flame Photometry
B. Coulometry
C. High pressure liquid chromotography
D. Visible spectrophotometry

7. Which combination of the following elements constitutes a major portion of earth crust:
A. Oxygen and Silicon
B. Oxygen and Iron
C. Silicon and Iron
D. Aluminium and Iron

8. Assertion (A):Chlorofluorocarbons deplete ozone. Reason (R): These compounds contain Chlorine, Bromine and Fluorine.
A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true but (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. (A) is false but (R) is true

10. Maximum Density of water is at:
A. 4°C
B. 0°C
C. 100°C
D. 272°C

11. The cause of lung cancer Mesothelioma is:
A. Asbestos
B. Arsenic
C. Mercury
D. Chromium

12. Which of the following pattern of evolution accounts for all the diversity present on earth today?
A .Microevolution
B. Megaevolution
C. Biodiversity
D. Speciation

13. Group of individuals of the same species that share common attributes are called:
A. Community
B. Population
C. Ecotype
D. Society

14. Which one of the following is  the correct food chain?
A. Algae -> Daphnia -> Dragon Fly Nymph -» Newt -» Grass Snake
B. Daphnia -» Dragon Fly Nymph -> Newt -» Algae -> Grass Snake
C. Grass Snake -> Newt -» Dragon Fly Nymph Daphnia Algae
D. Newt -» Grass Snake -» Dragon Fly Nymph -» Algae -> Daphnia

16 . Assertion (A): Monsoonal rainfall is very high both on the west coast and northeast India.
Reason (R): The duration of monsoon over west coast and northeast India is longer than other parts of India.
A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true but (R) is not the correct explanation of(A)
C. (A) is true but (R) is false
D. (A) is false but (R) is true

19. Which one of the following statements regarding El-NINO is NOT true?
A. It is an extension of equatorial current towards the western coast of South America.
B. It is an occasional warm current leading to an increase of about 10°C in subsurface water temperature.
C. It develops as temporary replacement of usual cold Peruvian Current.
D. It causes an increase in plankton thriving in cold Peruvian current.

20. The process of alleviation indicates:
A .Removal of particles from the upper layer of soil
B. Removal of particles from lower layer of soil
C. Deposition of soil particles in sub-soil layer
D. Transportation of soil particles in the B-horizon

21. Which one of the following is the cleanest source of energy?
A. Hydropower
B. Fossil fuel
C. Nuclear power
D. Wind energy

22. Match the items in List - I with List - II and select the correct answer using codes given below:
List I List - II
(a) CFC (i) Bhopal Gas Tragedy
(b) C0 2 (ii) Global Warming
(c) BOD (iii) Ozone depletion
(d) MIC (iv) Water pollution Code:
(a) (b) (c) (d)
A. (iii) (ii) (iv) (i)
B. (iv) (iii) (i) (ii)
C. (i) (ii) (iii) (iv)
D. (iv) (iii) (ii) (i)

23. The global warming efficiency  of a CFC molecule in relation to a  CO-, molecule is higher by a factor of:
A. 125
B. 25
C. 20,000
D. 1500

24. Arsenic problem in India is  primarily due to:
A. Overexploitation of arsenopyrite in the hinterland B. Overexploitation of coal in Bihar and Bengal
C. Overexploitation of ground groundwater in the affected areas
D. Overexploitation of surface water in the affected areas

25. Acid rain is caused by:
A. CO and CO2 ,
B. SO 2 ,and 0 2
C. S0 2 and NO" 2
D. NO 2 and O 2

26. What will be the outcome of Eutrophication of surface waters?A. Overproduction of biomass
B. Decrease in nitrogen concentration
C. Decrease in phosphorus concentration
D. Decrease in both nitrogen and phosphorus concentrations.

27. Assertion (A): Negatively charged soil particles attract positive ions like Ca++ and Mg ++
Reason (R): The attraction keeps the ions at soil level for ready availability.
A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true but (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. (A) is false but (R) is true

29. Cost Benefit analysis is required in case of proposals involving clearance of forest land:A. Greater than 1Oha but less than 20ha
B. Greater than 20ha
C. Greater than 5ha but less than 1Oha
D. Greater than 40ha only

30. Ecologically sensitive and important areas, breeding and spawning grounds of marine life
etc., are categorized in coastal Regulation Zone as:
A. CRZ - IV
B. CRZ - II
C. CRZ - III
D. CRZ - I

31. A management tool comprising a systematic, periodic and objective evaluation of how well an environmental organization, management and equipment are performing is known as:
A. Raw material balance
B. Input - output analysis
C. Acturities at site
D. Environmental audit

33. Match the items in List - I with List - II and select the correct
answer using codes given below:
List - I List - II
(a) Montreal Conven- (i) Ozone depletion tion
(b) Rio - Summit (ii) Greenhouse gas
(c) Ramsah Conven- (iii) Convention on tion Biological diversity
(d) Kyoto Protocol (iv) Wetlands convention
Code:
(a) (b) (c) (d)
A. (iii) (ii) (i) (iv)
B. (iv) (iii) (i) (ii)
C. (i) (iii) (iv) (ii)
D. (i) (ii) (iv) (iii)

34. The least preferred technique in the disposal of municipal solid waste is:
A. incineration
B. composting
C. land filling
D. bricketting

35. Bacterial decomposition of biological material under aerobic condition is:
A. Fermentation
B. Fertilization
C. Contamination
D. Composting

36. When you go for shopping, what are you expected to do to save environment?
A. Shop for products that have as little packaging as possible.
B. In any store, use a bag even it is not needed.
C. Do not reduce the frequency of shopping.
D. Buy paper towels and napkins.

38. In the analysis of 15 water samples, Ca and Mg gave a correlation of +0.95. It means:
A. Ca came from soil and Mg came from biota
B. Ca and Mg both came from the same type of water
C. Ca and Mg are both cogenetic
D. Ca and Mg came from different sources.

39. If a piece of metal weighs 10.2g in air, 8.6g in water and 7.8g in another liquid, then what
will be the specific gravity of the liquid?
A. 1.0
B. 1.5
C. 2.0
D. 3.0

40. The geometric mean of the numbers 2, 4, 8, 16, 32 is:
A. 12
B. 16
C. 8
D. 32

41. The correlation coefficient between the variables X, Y as given in the following table:
X 1 3 4 6 8 9 11 14
Y 1 2 4 4 5 7 8 9 is:
A. -0.977
B. -0.517
C. +0.977
D. +0.217

42. Climatic stress is caused by insufficient and/or excessive regime of:
A. Temperature
B. Humidity
C. Solar radiation
D. All the above

43. The chemical that is used to ripen mangoes is:
A .Calcium sulphide
B. Calcium carbide
C. Calcium carbonate
D. Calcium chloride

44. Which two of the following statements regarding ISO 14000 series of standards are true?
Answer choosing the code given below:
(i) ISO 14000 standards are based on a principle assumption that better environmental management
will lead to better environmental performance.
(ii) ISO M°C/u standards are regulatory standards developed by ISO
(iii) ISO 14000 standards are market driven and therefore are
based on voluntary involvement of all interests in the market place.
(iv) The adoption of ISO 14000 is a one time commitment
A (i) and (ii)
B. (ii) and (iii)
C. (i) and (iii)
D. (iii) and (iv)

45. Organisms that generate energy using light are:
A. oligotrophs
B. chaemorganotrophs
C. chaemolithotrophs
D. photoautotrophs

47. Land use pattern is usually studied by the following technique:
A. Aerial photography
B. Satellite imaging
C. Satellite imaging and G. I. S.
D. Satellite imaging, G. I. S. and G. P. S.

48. To conserve coral reefs the Govt, of India declared one of the following as Marine Park:
A. Gulf of Kutch
B. Lakshadweep islands
C. Gulf of Mannar
D. Andaman Islands

49. Which one of the following does not contribute to conservation of water?
A Waste water treatment
B. Waste land development
C. Water shed protection
D. Rain water harvesting

50. Particle size in soil can be classified as clay: 1-4 micron. Silt: 4-62 micron. Sand: 62-1000
micron; Boulder: >1000 micron. It is hence correct to suggest that in nature particle size distribution
follows:
A. Binomial distribution
B. Lognormal distribution
C. Linear distribution
D. Normal distribution

Answers Sheet

1 3 4 5 6 7 8 10
D C C A A A C A
11 12 13 14 16 19 20
B C C A B A C
21 22 23 24 25 26 27 29 30
D A A C C A A A D
31 33 34 35 36 38 39 40
D C D A A D C C
41 42 43 44 45 47 48 49 50
C D B A D B B B D

Content By -

Ripon Sarkar

Balurghat, West Bengal