This document contains a 30-question multiple choice test on science topics ranging from properties of materials to human biology. The questions assess understanding of concepts like chemical reactions, plant and animal processes, and experimental design. The test is intended to evaluate knowledge of topics covered in previous science papers for the Central Teacher Eligibility Test.

1. A-38, 39, 40, Opposite Metro Pillar no: 641,
Uttam Nagar, Near Uttam Nagar East Metro Station, New Delhi - 110059
CTET SCIENCE Previous Paper 3
1. Bakelite is used in making electrical appliances because it is a
(a) good insulator of electricity
(b) thermoplastic
(c) good conductor of heat
(d) good conductor of electricity
2. In which of the followingcases of motion, are the distance moved and the magnitude of
displacement equal?
(a) A car moving on a straight road
(b) A car moving in a circular path
(c) A pendulum oscillating to and fro
(d) The Earth revolving around the Sun
3. LED and CFL are very commonly used as sources of light in homes. Which of the following
statements is true?
(a) Neither of them is good because both contain toxic materials
(b) CFL is better because LED contains toxic materials
(c) LED is better because CFL contains toxic materials
(d) Both are equallygood
4. An air bubble inside water behaves like a
(a) concave lens
(b) convex lens
(c) Plano-convex lens
(d) concave mirror
5. A feather weighing5 gm and a nail weighing 10 gm have the same kinetic energy. Which of the
followingstatements is true about the momentum of the two bodies?
(a) The heavier body will have higher momentum
(b) The lighter body will have higher momentum
(c) Both will have equal momentum
(d) It is not possible to compare the momentum. of two objects
6. If the pressure over a liquidincreases, its boilingpoint

2. A-38, 39, 40, Opposite Metro Pillar no: 641,
Uttam Nagar, Near Uttam Nagar East Metro Station, New Delhi - 110059
(a) Increases
(b) decreases
(c) does not change
(d) first decreases and then increases
7. A doctor prescribes a medicine to treat hyperacidity. The main ingredientof the medicine is –
(a) {( ) } 3 AI OH
(b) 2 MgC
(c) 3 CaCo
(d) 2 3 Na Co
8. Non-metallic oxides
(a) are acidic in nature
(b) are basic in nature
(c) are amphoteric in nature
(d) turn red litmus paper blue
9. The inner surfaces of food cans are coated with tin and not with zinc because
(a) zinc is more reactive than tin
(b) zinc is costlier than tin
(c) zinc has a higher melting point than tin
(d) zinc is less reactive than tin
10. A man goes door to door posing as a goldsmith. He promises to bring back the glitter on dull
gold ornaments. An unsuspecting woman gives a set of gold bangles to him which he dips in a
particular solution.The bangles sparkle but their weight has considerably reduced. The solution
used by the impostor probably is
(a) A mixture of cone. HCI and cone. HNO3
(b) dil.HCI
(c) Cone. HCI
(d) Cone. HNO3
11. Bleedingis stopped by the application of alum to a wound because
(a) alum coagulates the blood and forms a clot
(b) the wound is plugged by the alum chunk
(c) alum reduces the temperature near the wound
(d) alum is an antiseptic

3. A-38, 39, 40, Opposite Metro Pillar no: 641,
Uttam Nagar, Near Uttam Nagar East Metro Station, New Delhi - 110059
12. When an iron nail is dipped in copper Sulphate solution, the colour of copper Sulphate solution
fades and a brownish layer is depositedover the iron nail.This is an example of
(a) double displacement reaction
(b) combination reaction
(c) decomposition reaction
(d) displacement and redox reactions
13. While dilutingSulphuric acid, it is recommended that the acid should be added to water
because
(a) dilution of acid is highlyexothermic
(b) acid has strong affinityfor water
(c) acid may break the glass container
(d) dilutionof acid is highly endothermic
14. The thumb of humans moves more freelythan other fingers due to the presence of
(a) saddle joint
(b) pivotal joint
(c) gliding joint
(d) hinge joint
15. Root cap is absent in
(a) Hydrophytes
(b) Xerophytes
(c) Mesophytes
(d) Halophytes
16. Adding salt and sugar to food substances helps in preserving them for a longer duration. It is
because excess salt and sugar
(a) plasmolyse the microbial cells
(b) cause rupturing of microbial cells
(c) cause change in the shape of microbial cells
(d) remove water from food
17. Hormone Adrenaline
(a) helps the body to adjust stress level when one is very angry or worried
(b) helps control level of sugar in the blood

4. A-38, 39, 40, Opposite Metro Pillar no: 641,
Uttam Nagar, Near Uttam Nagar East Metro Station, New Delhi - 110059
(c) helps control height
(d) helps control balance of electrolytesin the body
18. The greenhouse effectwhich is causing an increase in the atmospheric temperature is mainly
due to
(a) carbon dioxide
(b) oxygen
(c) nitrogen
(d) Sulphur
19. Green plants appear to release oxygen instead of carbon dioxide into the atmosphere during
the day time because
(a) the rate of photosynthesis is higher than the rate of respiration during the day time
(b) green plants do not respire during the night time
(c) green plants respire only during the night time
(d) green plants respire during the day time but are involvedin photosynthesis during the night
time
20. A common characteristic feature of plant sieve-tube cells and mammalian erythrocytes is
(a) absence of nucleus
(b) absence of chloroplast
(c) absence of cell wall
(d) presence of haemoglobin
21. Most Boards of Education have banned the dissection of animals because
(a) there is a need to sensitise students to prevention of cruelty to animals A
(b) animals are no longer available for dissection
(c) procuring animals has become an expensive proposition
(d) they may spread new diseases
22. The main aim of conducting Mathematics and Science Olympiads is to
(a) promote excellence in the subject by nurturing creativity and experimentation
(b) grade students according to their capabilities
(c) help students score high marks in professional examinations
(d) grade schools based on the performance of their students

5. A-38, 39, 40, Opposite Metro Pillar no: 641,
Uttam Nagar, Near Uttam Nagar East Metro Station, New Delhi - 110059
23. Four applicants for a post of TGT (Science) were asked to plan a lessonon “Consequences of
Deforestation”. Which one of the followinglesson plans reflects the scientific approach?
(a) Includes activities that children can perform in groups and draw conclusions through a Power
Point presentation
(b) Explains in detail the consequences of deforestation
(c) Provides a variety of examplesto explainthe concept
(d) Mentions about the use of ICT to help students understand the concept
24. Ms. Patel, Principal of a School XYZ, is keen about integrated approach to teaching of Science
rather than teaching different disciplinesseparately. The basis of this is
(a) all the disciplinesare interlinkedand a teacher can draw on cross-curricular linkages
(b) non-availabilityof qualifiedteachers in her school to teach separate disciplines
(c) difficultyto adjust the teachers in the time-table
(d) difficultyof students to adjust to differentteachers
25. A teacher plans to teach “Components of Food” in Class-VI.Which of the followingcan be used
as an essential question?
(a) Why does your mother serve you a meal with a variety of food items?
(b) List the food items your mother serves you in lunch.
(c) Does your mother prepare a definite setof food items for lunch every day?
(d) Do you eat all the items served in your lunch every day?
26. While teaching the concept, “force can change the shape of an object” to students, a teacher
plans the followingactivities:
A. Explain concepts using commonly observed examples.
B. Provide a dough on a plate and ask the students to press it down with the hand.
C. Show an audio-visual• film explainingthe concept with some examples.
D. The teacher is using differentapproaches to learning because
(a) there are differentkinds of learners in the class and she wants to address multiple intelligences
(b) she wants to prove her knowledge
(c) she knows she must followher lesson plan
(d) she wants to prepare students for a test
27. Which of the followingcan be assessed when Geeta is using only MCQ as a tool to assess
“Nutrition in Humans”?
(a) Misconceptions related to food habits

6. A-38, 39, 40, Opposite Metro Pillar no: 641,
Uttam Nagar, Near Uttam Nagar East Metro Station, New Delhi - 110059
(b) Analytical ability to classify food items and make a poster
(c) Learners’ ability to apply knowledge and prepare a role play to present in the morning assembly
(d) Learners’ abilityto comprehend the importance of components of food and write a long essay
28. A Science teacher plans group activities to teach “Properties of Air” to her students of Class-VI.
Which one set of attributes would she like to have in the students she selects as group leaders?
(a) Assigning roles as per capability, motivating and coordinating among the group members
(b) Freedom to choose roles, work at their own pace and understanding
(c) Ordering students to take roles and deliverin consonance with their understanding
(d) Giving major roles to brighter students to ensure the group finishesfirst
29. While selectinga performance task to help students developresearch oriented skillsin a Science
class, a teacher may pick up a topic
(a) related to a problem faced by students in their day-to-day functioning and which is a part of the
concepts to be covered for this class
(b) from the content given in the syllabus which must be completed in time
(c) which majority of the students in a class find interesting
(d) which she thinks is important for the students
30. While investigating ‘how water affects the germination of seeds’, a teacher asked the students
to soak bean seeds on a bed of cotton wool for a few days and observe the changes. What is the
guideline that she forgot to mention? To place-
(a) a few seedson wet cotton
(b) many seeds on wet cotton
(c) many seeds on dry cotton
(d) a fewseeds on dry cotton