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