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Practice Test Science – set 4

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. A study of all food chains on earth would reveal that the primary source of energy for all life on earth is/are:
A.
B.
C.
D.

Question 1 of 25

Question 2 of 25

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

Question 2 of 25

Question 3 of 25

3. Autotrophs, as opposed to heterotrophs, are those organisms which do not depend on other organisms for food and energy. They derive their energy principally from the sun. What is the name of the process by which they accomplish this?
A.
B.
C.
D.

Question 3 of 25

Question 4 of 25

4. How are genes and chromosomes associated with one another?
A.
B.
C.
D.

Question 4 of 25

Question 5 of 25

5. Phenotypical changes are those which alter the body while genotypical changes are those which alter the genes. Which of the two is transferrable to the next generation?
A.
B.
C.
D.

Question 5 of 25

Question 6 of 25

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

Question 6 of 25

Question 7 of 25

7. The ABO system of blood groups classifies blood into four types: A, B, O and AB; them being positive or negative variations of a particular type depend upon which antigen the type is associated with. These blood groups are not all compatible with each other. Every blood group only has some groups that it’s fully compatible with, except one, which is compatible with all blood groups (called universal blood donor types). Which of the following is it?
A.
B.
C.
D.

Question 7 of 25

Question 8 of 25

8. BINOMIAL NOMENCLATUREQuestion 1: The following information is provided. According to binomial nomenclature, what is the organism’s name?Kingdom: AnimaliaOrder: PasseriformesClass: AvesPhylum: ChordataGenus: HylcocichlaFamily: TurdidaeSpecies: Mustelina
A.
B.
C.
D.

Question 8 of 25

Question 9 of 25

9. Which special substance do plant cells use for photosynthesis?
A.
B.
C.
D.

Question 9 of 25

Question 10 of 25

10. Which of the following is a viral disease?
A.
B.
C.
D.

Question 10 of 25

Question 11 of 25

11. Which of the following is a bacterial disease?
A.
B.
C.
D.

Question 11 of 25

Question 12 of 25

12. What are some ways in which highly infectious diseases can be spread?
A.
B.
C.
D.

Question 12 of 25

Question 13 of 25

13. Reptiles and amphibians are part of which kingdom of taxonomical classification?
A.
B.
C.
D.

Question 13 of 25

Question 14 of 25

14.

Since all reptiles are cold-blooded, they cannot regulate their body temperature by themselves, unlike birds and mammals. What do they depend on then, as a primary source of heat, to keep their body temperature under control?

A.
B.
C.
D.

Question 14 of 25

Question 15 of 25

15. Which of the following is an adaptation that birds have acquired to aid them in flight?
A.
B.
C.
D.

Question 15 of 25

Question 16 of 25

16. Marsupials are mammals in which offspring is given birth to inside a pouch attached to the mother, a common example being kangaroos. Which of the following animals is NOT an example of a marsupial?
A.
B.
C.
D.

Question 16 of 25

Question 17 of 25

17. Why do seasons occur?
A.
B.
C.
D.

Question 17 of 25

Question 18 of 25

18. What are clouds made of?
A.
B.
C.
D.

Question 18 of 25

Question 19 of 25

19. Hindus of ancient times believed that the earth rested on the shoulders of eight gigantic elephants. When one of them grew tired because of the weight, it shook its head, hence causing the earth to shake. Modern science, however, has revealed that earthquakes occur due to purely natural reasons, not supernatural ones. According to science, how do earthquakes actually occur? 
A.
B.
C.
D.

Question 19 of 25

Question 20 of 25

20. Which of the following separates the crust of the earth from its core?
A.
B.
C.
D.

Question 20 of 25

Question 21 of 25

21.

Which of the following planets is second-closest to the Sun?

A.
B.
C.
D.

Question 21 of 25

Question 22 of 25

22. According to the Doppler Effect, when a light source is moving towards us, light-waves are compressed; however, when a light source is moving away from us, light-waves are stretched. If a galaxy is approaching us, toward which end of the electromagnetic spectrum will its light be shifted? 
A.
B.
C.
D.

Question 22 of 25

Question 23 of 25

23. Which of the following is no longer considered a planet?
A.
B.
C.
D.

Question 23 of 25

Question 24 of 25

24. Which of the following is NOT a traditional unit used by astronomers for measuring distances in space?
A.
B.
C.
D.

Question 24 of 25

Question 25 of 25

25. Which of the following was the most famous proponent of heliocentrism (the assertion that the Sun is the center of everything, and not the Earth)?
A.
B.
C.
D.

Question 25 of 25


 

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