1. Earth lies between :
👉A. Mars and Venus
B. Mercury and Mars
C. Jupiter and Saturn
D. Uranus and Neptune

2. Which of the following is the characteristic of solids?

A. Indefinite shape
B. Flowing easily
👉C. Closely packed molecules
D. Indefinite volume

3. Machines are lubricated in order to overcome

👉A. Frictional force
B. Gravitational force
C. Magnetic force
D. Electric force

4. All of the following are electromagnetic devices EXCEPT :

A. Doorbell
👉B. Wall Clock
C. Generator
D. Loud speaker

5. Which one of the following is luminous :

A. Earth
B. Mars
👉C. Sun
D. Moon

6. Which one of the following processes reduces the impact of non-degradable material?

👉A. Recycling
B. Burning
C. Burying
D. Breaking

7. If machines are lubricated regularly they

A. Consume more energy
B. Produce more noise
👉C. Consume less energy
D. Are heated up easily

8. All of the following are example of microorganisms EXCEPT :

A. Virus
B. Bacteria
C. Fungi
👉D. Plants

9. In foggy morning , drivers limit their driving speed because of

A. Extreme coldness
👉B. Poor visibility
C. Much tiredness
D. More humidity

10. The doctor diagnosed malaria in a patient and advised him/her to avoid the place where there is

A. Air pollution
B. Land pollution
👉C. Water pollution
D. No pollution