- 1. Moment is measured in _
A) Nm
B) S
C) J
D) M
- 2. The ability of a force to make an object turn depends on _ factors
A) Three
B) Two
C) Five
D) Four
- 3. One of the following is a defect of vision
A) Persistent vision
B) Eyebrow
C) Myopia
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) 6W
B) 189W
C) 4.3W
D) 2.3W
A) Density
B) Fundamental
C) Voltage
D) Derived
- 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) True
B) False
C) Impossible
D) No idea
- 9. _ changes in man can be either temporary or permanent
A) Developmental
B) Growth
C) Weight
D) Height
- 10. Fast gain in weight and height is a characteristic of an _
A) Infant
B) Adult
C) Child
D) Adolescent
- 11. The excretory organ of an amoeba is _
A) Nephridia
B) Green glands
C) Contractile vacuole
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) Kidney and lungs
B) Skin and liver
C) Leaves and stems
D) Stomata and lenticel
- 14. Plasma is the liquid part of the _
A) Blood
B) Skin
C) Cells
D) Body
- 15. _ are blood vessels that carry blood from the heart to all parts of the body except pulmonary arteries
A) Arteries
B) Veins
C) Capillaries
D) Blood
- 16. The spinal cord is a soft _
A) Muscle
B) Tissue
C) Skin
D) Vessel
- 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) Chlorides
B) Hydrides
C) Ammonia
D) Oxides
- 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) 6
B) 4
C) 5
D) 3
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