CTET Science Paper 2 Mock Test Set 7

1. A ball is thrown vertically upwards in the air. Identify the force(s) acting on it.

2. Read the following sentence and identify the set of words which would correctly fill the blanks in the given order.
A person suffers from __(i)__ if his/her sufficient __(ii)___do not produce the hormone__(iii)__sufficient quantities.

3. Which of the following is a set of substances that are acidic in nature?

4. Read the following statements carefully and select the correct option.
Assertion (A): Gases diffuse very fast into other gases.
Reasoning (R): Gas particles move about at high speed.

5. Identify the correct statements from the following.
(A) Burning of wood is a physical and irreversible change.
(B) Boiling of water is a chemical and reversible change.
(C) Grinding wood into sawdust is a physical and irreversible change.

6. At room temperature:
Density of fresh water=1 g/cm³ Density of sunflower oil-.92 g/cm³ Density of Alcohol-8 g/cm³
Use the above information to identify the correct statement(s) from the ones given below.
(A) An object that floats in alcohol will surely float in sunflower oil.
(B) An object that floats in sunflower oil will surely float in fresh water.
(C) An object that floats in fresh water will surely float in alcohol.

7. A train leaves Kanpur on 1st September at 15 50 hours and reaches Bangalore on 3rd September at 07:10 hours. Find the average speed of the train given that the distance between Kanpur & Bangalore is 2182 km.

8. Read the following paragraph and select the option that would correctly fill the blanks in the given order. When a disease-carrying microbe enters our body. the body produces_(i)_ to fight the invader. If dead or weakened microbes are introduced in a healthy body, the body fights and kills them producing these. This is how a _(ii)_ . 'works to prevent diseases like _(ii)_.

9. Which of the following is prepared by using wood pulp?

10. Which of the following are obtained from Petroleum?
(A) CNG
(B) LPG
(C) Diesel
(D) Coal Gas

11. Repulsion is a sure test to identify magnets This statement is an example of-

12. Which of the following is most desirable practice to be adopted by a teacher for introducing the topic friction?

13. Which part of the following features help Polar bear in adaptation in Polar regions
A. White fur
B. Long curved sharp claws
C. Webbed feet

14. Bronchitis, breathing problems and worsening of Asthma are caused by

15. Which of the following changes in a simple pendulum will leads to an increase in its time - period?

16. Which of the following is correct for a circular ring which is uniformly heated?

17. Which of the following is not an inferential statement?

18. Which of the following statements is true for teaching-learning of science?

19. _X_ is essential for formation of red blood cells whose deficiency causes__Y. Z__is needed for absorption of X. X, Y and Z respectively are

20. A' is added to solution of 'B' which changes colour. Where C is added to solution of B, it does not change colour. What can be concluded about reactivity of A, B and C?

21. What kind of questions would NOT be recommended for framing an open book test?

22. Which of the following is NOT an objective of conducting a group discussion on socio-scientific issues in a science class?

23. Which of the following is the best strategy to introduce class 8 students to the concept of vibration as the cause of sound?

24. Which of the following would be the most appropriate strategy to introduce the concept of buoyant force ?

25. While teaching about cells to his class 8 students, a teacher gives the examples of bricks just as buildings, though built of similar bricks, have different designs, shapes and size, so also the cells are basic structural units of living organisms. Which pedagogic device is the teacher using?

26. Which of the following purposes is least likely to be served through organisation of science fairs in schools ?

27. A teacher wanted her students to investigate the effect of length of a simple pendulum on its time- period. She guided her students to set up an experiment based on varying the factor of interest while keeping the other factors constant across situations. Which of the following statements would be incorrect about the experiment they set up for the purpose?

28. A teacher wants to help her students to make a connection between the shapes of beaks of different birds and the type of food they eat which of the following strategies would be the most suitable for this purpose?

29. Which of the following statements does NOT match with our present understanding of organisation of science curriculum?

30. A student puts some iron nails in a beaker containing copper sulphate solution and writes the following statements in her note book after some time.
(A) The colour of solution changes from blue to pale green.
(B) The brown coating gets formed on the iron nails.
(C) Iron displaces copper from its solution.
(D) Copper is less reactive than iron
Classify the above statements as observations or inferences.