Practice Test Science – set 3

These questions are written by our Science guru and are similar to the GED Test. Each question has four or five answer choices. Choose the best answer for each question.

 

Question 1 of 25

1. The dynamo in a bicycle converts:
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B.  
C.  
D.  

Question 1 of 25

Question 2 of 25

2. If heat is added to a liquid which of the following occurs?
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B.  
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D.  
E.  

Question 2 of 25

Question 3 of 25

3. Objects A and B are travelling with the same velocity. If Object A is to have greater momentum than Object B, which of the following would have to be true?
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B.  
C.  
D.  

Question 3 of 25

Question 4 of 25

4. Which of the following statement is true for taste in food?
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E.  

Question 4 of 25

Question 5 of 25

5. An anvil, a tennis ball and a feather are dropped from the same height simultaneously. Ignoring air resistance, which of the three will hit the ground first?
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D.  

Question 5 of 25

Question 6 of 25

6. Which of the following could be the most effective solution of getting relief from a bee-sting?
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B.  
C.  
D.  
E.  

Question 6 of 25

Question 7 of 25

7. Conduction, convection and radiation are the three main methods of heat transfer in nature. When we heat one end of a metal rod, the other end of the rod heats up as well after a while. Which method of heat transfer is involved here?
A.  
B.  
C.  
D.  

Question 7 of 25

Question 8 of 25

8. The spectrum of visible light varying from red to violet varies in wavelength from colour to colour. Does this mean that all the different colors travel at different speeds as well?
A.  
B.  
C.  
D.  

Question 8 of 25

Question 9 of 25

9. From where does the sun derive its energy?
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B.  
C.  
D.  

Question 9 of 25

Question 10 of 25

10. A neutral object is rubbed with a material such that it becomes positively-charged.  What must have happened?
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C.  
D.  

Question 10 of 25

Question 11 of 25

11.

A decomposition reaction will involve the:

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B.  
C.  
D.  

Question 11 of 25

Question 12 of 25

12. The molar mass of chlorine is 35.5 g/mole. What, then, will be the mass of 1 mole of chlorine, in grams?
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B.  
C.  
D.  

Question 12 of 25

Question 13 of 25

13. Filtration is used for the:
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B.  
C.  
D.  

Question 13 of 25

Question 14 of 25

14. When an ideal gas is passed through an extremely narrow tube and allowed to escape from the other end, the sudden expansion of the gas from the narrow tube into the atmosphere dramatically reduces the temperature of the gas. This is called the Joule-Thompson Effect. Which of the following best explains why this process happens?
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B.  
C.  
D.  

Question 14 of 25

Question 15 of 25

15. Water is a polar substance. It is called so because:
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B.  
C.  
D.  

Question 15 of 25

Question 16 of 25

16. Evaporation happens when high-energy molecules in a liquid escape from the liquid’s surface and get converted into vapor. As particles with greater energy keep on leaving the liquid as time goes on, the liquid’s temperature keeps on dropping as well. Which of the following properties of the liquid do you think will lead to an increase in the rate of evaporation? 
A.  
B.  
C.  
D.  

Question 16 of 25

Question 17 of 25

17. Ionization Energy (I.E.) is the amount of energy needed to force an electron out of an atom. The ‘1st Ionization Energy’ is the amount of energy needed to expel the first electron out of an atom’s outermost shell. The ‘2nd Ionization Energy’ is the energy required to expel the second electron from the atom and so on. 

Which of the following variables can have any sort of effect on the value of ionization energy for an element or a compound?
A.  
B.  
C.  
D.  

Question 17 of 25

Question 18 of 25

18. Fundamentally, the human body is composed of billions of tiny cells. These cells are, in turn, composed of various components working in perfect harmony, called organelles. The nucleus is one such organelle. Which of the following is one function that the nucleus performs, apart from its role as the chief coordinator of all the cell’s activities?
A.  
B.  
C.  
D.  

Question 18 of 25

Question 19 of 25

19. According to the discoverers of DNA, James Watson and Francis Crick, DNA has the shape of a:
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B.  
C.  
D.  

Question 19 of 25

Question 20 of 25

20. One similarity between animal and bacterial cells is that both contain ribosomes. What is another similarity between the two?
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B.  
C.  
D.  

Question 20 of 25

Question 21 of 25

21. Viruses are parasitic beings i.e. they need a live host organism to survive. They do not have any metabolism on their own. Are there any species of viruses that can survive on their own?
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B.  
C.  
D.  

Question 21 of 25

Question 22 of 25

22. What is the correct order?
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B.  
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D.  

Question 22 of 25

Question 23 of 25

23. Neurons are a fundamental part of which system of the human body?
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B.  
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D.  

Question 23 of 25

Question 24 of 25

24. Artificial cardiac pacemakers are implanted in a defective heart to take care of which cardiac function?
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D.  

Question 24 of 25

Question 25 of 25

25. Which of the following may be used to support the theory of evolution?
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B.  
C.  
D.  

Question 25 of 25


 

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