Basic Science Js 3

60 Questions | By Educationdistric | Updated: Mar 20, 2022 | Attempts: 618

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1.

1. The washing away of nutrients down the soil by water is called………..
- A.
  
  {a} Erosion
- B.
  
  {b} Pollution
- C.
  
  {c } Eruption
- D.
  
  {d}weathering
- E.
  
  Option 5
2.

2. The heat from the sun reaches the earth mainly by………..
- A.
  
  {a}reflection
- B.
  
  {b}radiation
- C.
  
  {c}convection
- D.
  
  {d}conduction
3.

3. Alpha particle is
- A.
  
  {a} negatively charged
- B.
  
  {b}neutral
- C.
  
  {c} positively charged
- D.
  
  {d} an electron
4.

4. Environmental hazard involves the following EXCEPT
- A.
  
  {a}bush burning
- B.
  
  {b}flooding
- C.
  
  {c} deforestation
- D.
  
  {d} depletion of ozone layer
5.

5. The consequences of unsafe abortion include all EXCEPT
- A.
  
  {a} infection
- B.
  
  {b} perforation of the uterus
- C.
  
  {c} death
- D.
  
  {d}increased fertility
6.

6. When you intentionally abort a pregnancy it is called ---------------- abortion.
- A.
  
  {a} removed
- B.
  
  {b} spontaneous
- C.
  
  {c}miscarriage
- D.
  
  {d}induced
7.

7. Which of these radiations is used to kill germs?
- A.
  
  {a}Alpha
- B.
  
  {b} Beta
- C.
  
  {c} Gamma
- D.
  
  {d}Yamma
8.

8. The first Scientist that discovered radio activity was
- A.
  
  {a}Becquerel
- B.
  
  {b} Marie curie
- C.
  
  {c} Pierre curie
- D.
  
  {d} Dalton
9.

9. An inclined plane wrapped round a metal rod is a
- A.
  
  {a} Screw
- B.
  
  {b} lever
- C.
  
  {c} pulley
- D.
  
  {d} gear
10.

10. Which of the following Simple Machines is an example of Wheel and Axle
- A.
  
  {a} bottle opener
- B.
  
  {b} pair of scissors
- C.
  
  {c} Spoon
- D.
  
  {d} razor blade
11.

11. One of these cannot reduce friction in machines.
- A.
  
  {a}oil
- B.
  
  {b}fuel
- C.
  
  {c} grease
- D.
  
  {d} gears
12.

12.One disadvantage of not abstaining from premarital sexual intercourse is
- A.
  
  {a] teenage pregnancy
- B.
  
  {b}academic excellence
- C.
  
  {c} good body posture
- D.
  
  {d}high self esteem
13.

13. The following are the consequences of teenage pregnancy EXCEPT
- A.
  
  {a}termination of education
- B.
  
  {b}stigmatization
- C.
  
  {c}unsafe abortion
- D.
  
  {d} high self esteem
14.

14. Limestone is a mineral that can be found in…………..
- A.
  
  {a} Okitipupa
- B.
  
  {b}Ewekoro
- C.
  
  {c}Umuahia
- D.
  
  {d}Jos
15.

15. Which of the following minerals can be used to make Jewellery
- A.
  
  {a}lead
- B.
  
  {b}limestone
- C.
  
  {c}gold
- D.
  
  {d} kaolin
16.

16. One of the following is NOT a resource from plants
- A.
  
  {a} sponge
- B.
  
  {b}potato
- C.
  
  [c]cheese
- D.
  
  {d]palm wine
17.

17. A magnet can attract …………..
- A.
  
  {a} lead
- B.
  
  {b} glass
- C.
  
  {c}copper
- D.
  
  {d}Iron
18.

18. ……….. is used as a safety measure or device to prevent overloading of electric circuit.
- A.
  
  {a}Fuse
- B.
  
  {b}Battery
- C.
  
  {c}Ammeter
- D.
  
  {d}Rheostat
19.

19. When light passes from air to glass ………..takes place
- A.
  
  {a} reflection
- B.
  
  {b}refraction
- C.
  
  {c}absorption
- D.
  
  {d}diffraction
20.

20.Sound travels fastest in …………
- A.
  
  {a}air
- B.
  
  {b} water
- C.
  
  {c} kerosene
- D.
  
  {d}petrol.
21.

21. The three types of radiations emitted by radioactive elements are
- A.
  
  {a} alpha, beta and gamma rays
- B.
  
  {b} alpha, beta and X-rays
- C.
  
  {c} beta, gamma and K-rays
- D.
  
  {d} alpha, gamma and S-rays
22.

22. which of the three rays of radioactive elements can be stopped by paper?
- A.
  
  {a} Beta
- B.
  
  {b}Alpha
- C.
  
  {c} Gamma
- D.
  
  {d} None of the above
23.

23. Which of the following is used to take photographs of the human body?
- A.
  
  {a}Beta particles
- B.
  
  {b}Alpha particles
- C.
  
  {c} X ray
- D.
  
  {d} Gamma ray
24.

24. Radioactivity is the spontaneous -----------------of rays from the nuclei of radioactive elements
- A.
  
  {a}formation
- B.
  
  {b} decay
- C.
  
  {c}integration
- D.
  
  {d}emission
25.

25.The first Scientist that discovered radio activity was
- A.
  
  {a}Becquerel
- B.
  
  {b}Marie curie
- C.
  
  {c} Pierre curie
- D.
  
  {d}Dalton