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