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CTET SCIENCE Previous Paper 5
1. Study the followingstatements about villi
A. They are finger-like projection
B. They have very thin walls
C. They have small pore through which food can pass easily
D. They have a network of thin and small blood vesselsclose to the surface
The statements which enable the villi to absorb digestedfood are
(a) C , D and A
(b) D, A and B
(c) A, B and C
(d) B, C and D
2. Of the followingactivities in a Science class the one with least educational value is
(a) Discussing a scientificprinciple
(b) Drawing a design
(c) Constructing a model
(d) Reading about a simple experiment
3. Which of the followingstatements are true about photosynthesis?
A. In this process solar energy is converted into chemical energy.
B. In photosynthesis {tex}C{O_2}{/tex} and {tex}{H_2}O{/tex} are used.
C. In photosynthesis {tex}C{O_2}{/tex} is released and {tex}{O_2}{/tex} is consumed.
D. In photosynthesis {tex}{O_2}{/tex} is released and carbon monoxide is consumed
(a) A and B
(b) C and D
(c) B and C
(d) A and D
4. The correct sequence of the complex process involvedin the digestion of food is
(a) Ingestion {tex} to {/tex} digestion{tex} to {/tex} absorption {tex} to {/tex} assimilation {tex} to
{/tex} egestion
(b) Ingestion {tex} to {/tex} absorption {tex} to {/tex} digestion {tex} to {/tex} assimilation{tex} to
{/tex} egestion
(c) Ingestion {tex} to {/tex} assimilation {tex} to {/tex} absorption {tex} to {/tex} digestion {tex} to
{/tex} egestion

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(d) Ingestion {tex} to {/tex} digestion {tex} to {/tex} assimilation {tex} to {/tex} absorption {tex} to
{/tex} egestion
5. In a mixed abilityclass with students in differentstages of cognitive development, which one of
the followingstrategies will be most suitable?
(a) Using hands-on activities involvingconcrete objects for simplificationof abstract concepts
(b) Regrouping the class into four groups as per the four stages of cognitive developmentproposed
by Piaget
(c) Taking an average of the IQ scores of students and planning teaching accordingly
(d) Planning individual instruction for giftedstudent
6. Which of the followingtechniques is not recommended for the Science teachers to use in
response to the complexity of learning?
(a) Take a pre-test to findout previous knowledge of students
(b) While introducing a complex concept, ask only open-endedquestions to stimulate thinking of
students
(c) Plan the level of instruction slightlyabove the level of individual students but well within the
level of the class
(d) Use manipulative materials for explainingthe subtle processes
7. For the conversation of forests, a successful strategy is essential. This strategy should involve
(a) Comprehensive programme for the protection of all the physical and biological components of
forests
(b) Protection of herbivores
(c) Protection of consumers
(d) Protection of animals at highest trophic level,i.e.,top carnivores, as they depend directly on
herbivores
8. The project method of teaching is best associated with the philosophy of
(a) John Dewey
(b) Max Rafferty
(c) B F Skinner
(d) Robert Hutchins
9. Lesson planning in Life Science should be guided primarily by the consideration of
(a) The curriculum goals and learning outcomes

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(b) Providing pupils with work
(c) Meeting the needs of the average child in the class
(d) Satisfying parents
10. A teacher is conducting a demonstration to motivate students, but the demonstration does not
result in the expectedoutcome. The teacher is best advised to
(a) Withhold the demonstration and do it again
(b) Tell the class that the demonstration failedand ask them to help/determine the reason
(c) Send a note to the Science coordinator, asking him/her to come to the room
(d) Find out and explainthe cause of failure of the demonstration by involving students
11. Porters who carry heavy luggage always have a long piece of cloth with them. Before carrying
the load on their heads they fold the cloth in the shape of a round disc and place it on their heads.
By doing this they
(a) Increase the area of contact of the load of luggage with their head
(b) Decrease the force exertedby the load of luggage on the head
(c) Save their heads from possible injury
(d) Decrease the thrust of the luggage
12. Before playing a sitar, a sitarist always adjusts the tension of the string of the sitar and tries to
plunk it suitably. By doing so the sitarist adjusts the
(a) Pitch of the string of sitar
(b) Loudness of sound produced by sitar string
(c) Amplitude of vibration
(d) Intensity of sound
13. When upper-grade children do research work the major problem the teacher has to content
with is
(a) Discouraging children form copying verbatim from books and encyclopedias and guiding them
effectively
(b) Finding appropriate materials
(c) Scheduling time in school library on internet
(d) Gaining the co-operation of the public library
14. The part of alimentary canal which receivesbile juice from the liver and stores it in gall bladder
is

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(a) Pancreas
(b) Small intestine
(c) Stomach
(d) Oesophagus
15. Out of the following,in which lesson is general rules explainedfirst and after that example are
illustrated?
(a) Deductive lesson
(b) Inductive lesson
(c) Skill lesson
(d) Cognitive lesson
16. The crop nutrients available in fertilizersare
(a) Nitrogen, phosphorus and potassium
(b) Nitrogen, potassium and iron
(c) Nitrogen, sodium and potassium
(d) Nitrogen, phosphorus and iron
17. Which one of the followingis most appropriate about curriculum planning in science?
(a) It is done to plan the specific learning objectives each lesson to build upon prior learning
(b) It gives details of each unit of work for each term
(c) It is done to map the scientific topic studied in each term
(d) It is done to combine the scientific study with work other subject areas
18. After physical exercise we sometimes get muscles cramps. This results due to
(a) Non-conversion of glucose of lactic acid
(b) Conversion of pyruvate to lactic acid
(c) Non-conversion of glucose to pyruvate
(d) Conversion of pyruvate to alcohol
19. An object of mass 5 kg is slidingon a smooth frictionlesshorizontal surface with a constant
velocity of 10 m/s. The force required to keepthe object moving with the same velocity is
(a) 5 N
(b) 500 N
(c) 250 N
(d) 0 N

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20. Select form the followinga set having correct combination of organs that do not carry out any
digestive function.
(a) Oesophagus, buccal cavity, rectum
(b) Small intestine,large intestine,rectum
(c) Oesophagus, buccal cavity, large intestine
(d) Oesophagus, large intestine,rectum
21. Select the correct sequence of parts in the human alimentary canal.
(a) Mouth {tex} to {/tex} oesophagus {tex} to {/tex} stomach {tex} to {/tex} small intestine {tex}
to {/tex} large intestine
(b) Mouth {tex} to {/tex} stomach {tex} to {/tex} oesophagus {tex} to {/tex} small intestine {tex}
to {/tex} large intestine
(c) Mouth {tex} to {/tex} stomach {tex} to {/tex} oesophagus {tex} to {/tex} large intestine {tex}
to {/tex} small intestine
(d) Mouth {tex} to {/tex} oesophagus {tex} to {/tex} stomach {tex} to {/tex} large intestine {tex}
to {/tex} small intestine
22. A tightly structured lesson of Physics if taught with little flexibilityisleast conductive to the
learning of the student who
(a) Has an IQ of 85
(b) Has an IQ of 125
(c) In hyperactive
(d) Is culturally disadvantaged
23. Which of the followingis heterogeneous mixture?
(a) Iodised table salt
(b) Stainless steel
(c) Air filledin a balloon
(d) Brass
24. Geothermal energy is an alternative source of energy. For this energy, the most feasible regions
are those that
(a) Are over hot spots in the crust
(b) Are near the coastal regions

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(c) Have thermal power plants
(d) Have coal mines
25. Select from the followingthe reaction(s) that is/are possible
A. {tex}A{l_2}{(S{O_4})_3}(aq) + Culeft( s right) to {/tex}
B. {tex}FeS{O_4}(aq) + Zn(s) to {/tex}
C. {tex}CuS{O_4}(aq) + Fe(s) to {/tex}
D. {tex}A{l_2}{(S{O_4})_3}(aq) + Zn(s) to {/tex}
(a) B and C
(b) A and D
(c) A and B
(d) Only A
26. Some dinosaurs had feathers although they could not fly, but birds have features that help them
to fly.In the context of evolutionthis means that
(a) Feathers are homologous structures in both the organism
(b) There is no evolutionary connection between reptilesand birds
(c) Reptiles have evolvedfrom the birds
(d) Birds have evolvedfrom reptiles
27. If you are asked to project the image of a well-litpainting on the wall, which one of the
followingoptical devices would you select this purpose?
(a) Convex lens
(b) Concave lens
(c) Convex mirror
(d) Plane mirror
28. A magnet is rolled in a mixture of iron fillingsand Sulphur powder. It is observed that
(a) Only the iron fillingsget attracted equally to both poles of the magnet
(b) Iron fillingsget attracted to both poles and Sulphur clings in the middle of the magnet
(c) Iron fillingget attracted to the N-pole and Sulphur to the S-pole of the magnet
(d) Iron fillingsget attracted to the S-pole and Sulphur to the N-pole of the magnet
29. In the followingtable, the readings of an odometer at different times of a journey as given
The speedof the vehicle in metres per second is
(a) 10

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(b) 18
(c) 36
(d) 20
30. Select from the followinga set of three metals which are found in free state.
(a) Silver,gold, platinum
(b) Copper, gold, iron
(c) Aluminium, copper, silver
(d) Gold, iron, silver