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