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CTET SCIENCE Previous Paper 1
1. A pendulum clock‟s location is shiftedfrom the earth to the moon. To show the same specific
time of the earth, its pendulum length must be….
(a) decreased (answer)
(b) increased
(c) same
(d) increased to double
2. The frequency of inaudible sound for human beings is…….
(a) 150 cycles / sec
(b) 15 cycles / sec (answer) (c) 1500 cycles / sec
(d) 25 cycles / sec
3. Electric current is flown through a metallic conductor. The electric circuit is due to…
(a) electrons only (answer)
(b) moleculesonly
(c) both nuclei and electrons
(d) neutrino only
4. Greenish yellowgas that turns moist starch iodide paper into blue-black is…..
(a) O2
(b) H2
(c) CO2
(d) Cl2 (answer)
5. In searchlights and headlights of vehicles,the electric bulb is placed….
(a) between the pole and the focus of the reflector
(b) at the focus of the reflector (answer)
(c) between the focus and the center of curvature of the reflector
(d) at the center of curvature of the reflector
6. The substance that is acidic in nature is…..
(a) lime water
(b) lime juice (answer)

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(c) human blood
(d) antacid
7. A statement followedby reason is given as: „Velocity is called a vector quantity‟ because “it has
only magnitude”. Identify which of the followingoption is true.
(a) both the statement and the reason are true and the reason explainsthe statement.
(b) the statement and the reason are true but the reason doesn’t explainthe statement.
(c) the statement is true but the reason is false.(answer)
(d) both the statement and reason are false
8. While measuring the thickness of a wire using a screw gauge, the reading on the pitch scale is
found to be 2mm and that on the head scale is 18. If the least count of the screw gauge is 0.01 mm
and positive zero error is 0.06 mm, then the thickness of the wire in mm is…
(a) 2.10
(b) 2.12 (answer)
(c) 2.21
(d) 2.01
9. The relative density of mercury is 13.6.This means the densityof mercury is….
(a) 13.6 times greater than the density of water. (answer)
(b) 1.36 times greater than density of water.
(c) equal to the density of water
(d) equal to 13.6 kg/cm3
10. The equivalentresistance of two resistors, when they are connected in parallel is 4 Ω. If the
value of one resistor is 6 Ω, then the value of another resistor is……..
(a) 12 Ω (answer)
(b) 10 Ω
(c) 6 Ω
(d) 4 Ω
11. If the linear momentum of a body of mass 0.5 kg is 5NS, then its velocity is……
(a) 10 ms-1 (answer)
(b) 25 ms-1
(c) 15 ms-1
(d) 20 ms-1

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12. The decreasing order of metallic character of the elements,Na, Si, Cl, Mg and Al is……
(a) Cl> Si>Al>Mg>Na
(b) Na>Mg>Al>Si>Cl (answer)
(c) Na>Al>Mg>Cl>Si
(d)Al>Na>Si>Cl>Mg
13. When a person is on hunger strike, the followingcells supply the stored food that give the
required energy to the body.
(a) Neurocytes
(b) Osteocytes
(c) Lymphocytes
(d) Adipocytes (answer)
14. In vegetative propagation, plants give rise to new plants from the followingpart only.
(a) Stem, root, flower
(b)Stem, root, leaves(answer)
(c) Stem, flower,fruit
(d) Stem, leaves, fruit
15. A student in your school says that he is 14 years old. You have no proper instruments at hand to
determine his age. Then suggest a method to estimate his age approximately.
(a) To measure the amount of blood.
(b) To count the number of arteries.
(c) To count the number of veins.
(d) To count the pulse rate per minute. (answer)
16. The followingprocess does not occur during photosynthesis.
(a) Absorption of light energy
(b) Reduction of CO2 into carbohydrates.
(c) Oxidation of carbon into CO2 (answer)
(d) Conversion of light energy into chemical energy.
17. As you go up the classification scheme, the number of similaritieswill……
(a) decrease (answer)
(b) be the same

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(c) increase
(d) change sometimes
18. Suppose there are ten cone cells in the retina of the eye, then the number of cellsthat contain
visual purple likelyto be present in the retina is…….
(a)100
(b) 15
(c) 150 (answer)
(d) 10
19. When a fungus is added to toddy, CO2 and alcohol are formed. The name of the process and the
name of the fungus respectivelyis…….
(a) Aerobic respiration, Lactic acid bacteria
(b) Anaerobic respiration Rhizobium
(c) Fermentation, Yeast (answer)
(d) Oxygen-free respiration
20. The followingwaste material from our households cannot be reused and recycled.
(a) Plastic covers, glass bottles, paper
(b) Dry leaves,plastic bottles, metal containers.
(c) Paper, hair, iron, pieces.
(d) Left over medicines.(answer)
21. The scientistwho has not demonstrated the discovery made by Malphigi, regarding blood
circulation was…..
(a) Vesaluis
(b) Galton
(c) William Harvey
(d) Louis Pasteur
22. In the followingchordates, the heart does not pump oxygenated blood to various parts of the
body.
(a) Fish and amphibians
(b) Amphibians and reptiles
(c) Only amphibians
(d) Only fish (answer)

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23. The livingbeings that have the abilityof utilizingthe waste materials for their protection
without excreting them are…
(a) birds
(b) plants (answer)
(c) human beings
(d) protozoans
24. The recent technique employed in the development of a kind of bacteria to remove oil slicks is
called………..
(a) gene chemistry
(b) selection
(c) ovulation
(d) genetic engineering(answer)
25. Science includes only relative truths but not absolute truths. This means that ….
(a) scientific facts are not completely true.
(b) scientificfacts are always tentative. (answer)
(c) science expressesprobability but not certainty
(d) science does not accept philosophical concepts.
26. The teaching-learning process of Science in a classroom at any level of formal education is
directed by…
(a) values inherent in the subject (answer)
(b) values formulated by the teacher
(c) values prevailed in the local community
(d) values followedby the school
27. One of the followingdoes not belong to the factors that are responsible for the formulation of
objective so of science teaching.
(a) The need and capabilitiesof the learner.
(b) The nature of the subject matter
(c) The capability of the subject teacher. (answer)
(d) Feasibilityconstraints
28. “Heuristic method is intendedto provide a training in method, knowledge is a secondary

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consideration altogether”.
(a) solving the problem
(b) imparting knowledge
(c) imparting process skills(answer)
(d) giving training in learning
29. Pick out the one that does not fall under the meanings imparted for the word „process‟ in the
process approach to curriculum construction.
(a) Giving importance to process than to the content.
(b) Develops abilitieswithinthe limit of instructional framework (answer)
(c) The activities provide are similarto that of scientist.
(d) Processing the information that helpsthe full and proper developmentof the intellect.
30. In Continuous Comprehensive Evaluation (CCE), the term „continuous‟ implies…
(a) evaluation of identifiedaspects of students’ growth and developmentas a continuous process.
(b) evaluation of an event built into the teaching-learning process.
(c) continuous and time to time organization of various tests.(answer)
(d) examining the individual frequentlywithin specifiedintervals.