CTET-EM #13 paper 2 set-m 2021

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SCIENCE

1. Which of the following represents correct matching set ?

1 point

(1) (a) (i), (b) (iii), (c) (ii), (d) (iv)

(2) (a) (ii), (b) (iv), (c) (i), (d) (iii)

(3) (a) (iii), (b) (ii), (c) (i), (d) (iv)

(4) (a) (iv), (b) (iii), (c) (ii), (d) (i)

Clear selection

2. Which of the following glands in human beings secretes more than two hormones ?

1 point

(1) Adrenal

(2) Pituitary

(3) Pancreas

(4) Thyroid

Clear selection

3. Which of the following statements is true ?

1 point

(1) All metals are solids.

(2) All metals are hard.

(3) All non-metals are gases.

(4) All non-metals are non-ductile.

Clear selection

4. ‘Y’ is a man-made fibre obtained from a natural source. What could be ‘Y’ ?

1 point

(1) Rayon

(2) Nylon

(3) Acrylic

(4) Jute

Clear selection

5. Study the following table :

1 point

(1) A

(2) B

(3) C

(4) D

Clear selection

6. Species restricted to a particular area are referred to as

1 point

(1) Endangered species

(2) Extinct species

(3) Endemic species

(4) Migratory species

Clear selection

7. Metal ‘X’ displaces metal ‘Y’ from its salt solution but is not able to displace metal ‘Z’ from its salt solution. Identify the most reactive metal.

1 point

(1) X

(2) Y

(3) Z

(4) Cannot be determined.

Clear selection

8. Light rays from an object fall on a surface and get reflected in a completely diffused manner. What can you say about the nature of image of the object ?

1 point

(1) It will be virtual and of same size.

(2) It will be real and enlarged.

(3) It will be virtual and enlarged.

(4) No image will be formed

Clear selection

9. In order to slide a huge box lying on the ground in her room, Reshma should apply a force which is greater than which of the following forces ?

1 point

(1) Static friction

(2) Gravitational force

(3) Normal force

(4) Muscular force

Clear selection

10. Identify the correct statement from among the following :

1 point

(1) The lower the frequency of the vibration, higher is the pitch.

(2) The loudness of sound is determined by the frequency of vibration.

(3) Sound cannot travel through vacuum.

(4) Pitch of sound is determined by its amplitude.

Clear selection

11. Which of the following sets comprises liquids which are poor conductors of electricity ?

1 point

(1) tap water, shampoo, honey

(2) salt solution, lemon juice, vinegar

(3) shampoo, vegetable oil, distilled water

(4) sugar solution, vinegar, lemon juice

Clear selection

12. Which of the following sets comprises chemical changes ?

1 point

(1) Boiling of water, breaking of glass, rusting of iron

(2) Dissolving salt in water, digestion of food, shredding of paper.

(3) Cooking of food, boiling of water, dissolving sugar in water.

(4) Rusting of iron, burning of paper, digestion of food

Clear selection

13. Neena was cycling to the market to buy some grocery items. The market is 4 km away from her home. She travels at a speed of 12 km/h for first 10 minutes. On her way she meets her friend Nikhat and stops to chat with her for 15 minutes. She resumes her journey at a speed of 8 km/h. What is her average speed for the journey ?

1 point

(1) 6 km/h

(2) 8 km/h

(3) 10 km/h

(4) 4 km/h

Clear selection

14. Which of the following will not be helpful in the process of separating a mixture of salt and water ?

1 point

(1) Decantation

(2) Filteration

(3) Distillation

(4) Boiling

Clear selection

15. Which of the following properties of light can be used to explain the phenomenon of shadow formation ? (A) Light travels in a straight line. (B) Light travels at a high speed. (C) Light is composed of seven colours. (D) Light does not pass through opaque objects.

1 point

(1) A and B

(2) B and C

(3) C and D

(4) D and A

Clear selection

16. Identify the correct statement from among the following :

1 point

(1) The proportion of fine particles in sandy soil is relatively higher than in the clayey soil.

(2) The amount of large and fine particles is about the same in clayey soil.

(3) The proportion of large particles in loamy soil is relatively higher than in the sandy soil.

(4) The proportion of fine particles in clayey soil is relatively higher than in the loamy soil.

Clear selection

17. Deficiency of vitamin ‘X’ causes bleeding of gums. This vitamin is essential for absorption of mineral ‘Y’ and ‘X’ is found in food ‘Z’. Identify X, Y and Z.

1 point

(1) X-vitamin D, Y- calcium, Z-milk product

(2) X-vitamin C, Y-iron, Z-citrus fruits

(3) X-vitamin B, Y-calcium, Z-green leafy vegetables

(4) X-vitamin A, Y-phosphorus, Z-poultry products

Clear selection

18. Which of the following statement best describes the nature of science ?

1 point

(1) science is a system of beliefs.

(2) science is social in nature.

(3) scientists are totally objective in their work.

(4) the scientific method is the only guide for conducting research.

Clear selection

19. Cognitive validity in science curriculum means

1 point

(1) inclusion of how concepts of science evolve over time.

(2) adaptation of content as per the cognitive level of learners.

(3) dilution of content

(4) inclusion of appropriate fun elements of science.

Clear selection

20. According to N.C.F. 2005 in the upper primary stage science curriculum, which of the following is recommended ? (A) Concepts should be linked to making sense of everyday experience. (B) Concepts should be arrived at from activities/experiments. (C) Concepts should be taught through disciplinary approach. (D) Along with concepts, laws and theories need to be introduced

1 point

(1) a, b and c

(2) a and b

(3) a, b and d

(4) a and d

Clear selection

21. From the following, identify the statement that is true about science.

1 point

(1) Scientists rely heavily on imagination to carry out their work.

(2) All scientific ideas are discovered and tested by controlled experiments.

(3) When a theory has been supported by a great deal of scientific evidence, it becomes law.

(4) In time, science will be able to solve most of society’s problems.

Clear selection

22. Ishu was given an individual task of collecting weather reports for a week. Identify where Ishu went wrong from the assessment indicators given below :

1 point

(1) She tabulates data from a website everyday.

(2) She arrives at conclusion that rain may or may not take place in the coming week.

(3) She concludes that decreased humidity increases the likelihood of rainfall.

(4) She understands that range of maximum and minimum temperature varies everyday.

Clear selection

23. Which of the following is a useful strategy to understand conceptual gaps in learners ?

1 point

(1) organizing quiz sessions

(2) observing practical skills

(3) using concept maps

(4) giving homework regularly

Clear selection

24. To encourage more girls to take up sciences, you may adopt all of the following strategies, except

1 point

(1) use gender sensitive language and encourage your students to do so.

(2) be mindful that girls always dominate discussion in science classroom.

(3) invite women scientists to visit your classroom.

(4) engage students in examining myths and stereotypes about science.

Clear selection

25. Science teachers need to ask more divergent questions because: (A) it stimulates and develops critical thinking. (B) it directs students to correct answers. (C) it helps develop thinking strategies. D. it helps in assessing creative behaviour in a learner.

1 point

(1) a, b, c

(2) a, c, d

(3) only b

(4) only a

Clear selection

26. Using demonstrations in classroom predominantly involves learners in

1 point

(1) visual and auditory learning

(2) visual learning only

(3) visual, auditory and kinesthetic learning

(4) auditory and kinesthetic learning

Clear selection

27. Give the sequence of planning for your science classroom using inquiry approach in teaching concept of density. (A) allow students to determine relationship between objects that float and sink. (B) allow students to play with water in a tub with different objects. (C) ask students to design a small boat that can carry 1 kg of weight.

1 point

(1) a → b → c

(2) c → b → a

(3) b → c → a

(4) b → a → c

Clear selection

28. ‘Y’ is a plant which does not have Chlorophyll. What could ‘Y’ be ?

1 point

(1) Cuscuta

(2) Algae

(3) Pitcher plant

(4) Maple tree

Clear selection

29. Which of the following statements is correct ?

1 point

(1) Large intestine is wider and shorter than small intestine.

(2) Absorption of digested food takes place in large intestine.

(3) Assimilation of food takes place in large intestine.

(4) Large intestine has finger like projection called villi.

Clear selection

30. Which of the following statements is NOT true regarding life cycle of silk worm and production of silk fibres?

1 point

(1) The larvae of silk moths are called as caterpillars.

(2) The pupa develops into caterpillar.

(3) Silk fibres are proteins secreted by caterpillars.

(4) The silk yarn is obtained from the cocoon of the silk moth

Clear selection

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