- 1. Moment is measured in _
A) M
B) J
C) S
D) Nm
- 2. The ability of a force to make an object turn depends on _ factors
A) Four
B) Three
C) Five
D) Two
- 3. One of the following is a defect of vision
A) Eyebrow
B) Binocular vision
C) Persistent vision
D) Myopia
- 4. _ is a form of energy referred to as electromagnetic radiation
A) Light
B) Potential
C) Kinetic
D) Sound
- 5. A person applies a force of 7N and moves a crate 3m. This takes the person 9 seconds. What is the power of the person?
A) 2.3W
B) 189W
C) 4.3W
D) 6W
A) Fundamental
B) Derived
C) Density
D) Voltage
- 7. One of the following is a derived quantity
A) Time
B) Mass
C) Temperature
D) Area
- 8. Excretion helps to maintain water balance in the body
A) Impossible
B) False
C) No idea
D) True
- 9. _ changes in man can be either temporary or permanent
A) Growth
B) Weight
C) Height
D) Developmental
- 10. Fast gain in weight and height is a characteristic of an _
A) Child
B) Infant
C) Adolescent
D) Adult
- 11. The excretory organ of an amoeba is _
A) Contractile vacuole
B) Green glands
C) Nephridia
D) Flame cell
- 12. The waste products of gills are _
A) Carbondioxide, water and urea
B) Sweat,ammonia salts
C) Hormones
D) Bile salts
- 13. What is the excretory organ of flowering plant?
A) Skin and liver
B) Kidney and lungs
C) Stomata and lenticel
D) Leaves and stems
- 14. Plasma is the liquid part of the _
A) Cells
B) Body
C) Blood
D) Skin
- 15. _ are blood vessels that carry blood from the heart to all parts of the body except pulmonary arteries
A) Capillaries
B) Veins
C) Blood
D) Arteries
- 16. The spinal cord is a soft _
A) Skin
B) Tissue
C) Vessel
D) Muscle
- 17. What provides the connection between the brain, spinal cord and the entire body?
A) Fore nervous system
B) Central nervous system
C) Middle nervous system
D) Peripheral nervous system
- 18. Iron ore are rich in iron _
A) Oxides
B) Hydrides
C) Chlorides
D) Ammonia
- 19. What is used to make coins?
A) Brass
B) Steel
C) Solder
D) Bronze
- 20. How many isotopes of hydrogen do we have?
A) 3
B) 4
C) 6
D) 5
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