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