- 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) Two
B) Five
C) Four
D) Three
- 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) Light
B) Sound
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) 2.3W
B) 6W
C) 189W
D) 4.3W
A) Voltage
B) Fundamental
C) Density
D) Derived
- 7. One of the following is a derived quantity
A) Mass
B) Temperature
C) Area
D) Time
- 8. Excretion helps to maintain water balance in the body
A) False
B) True
C) No idea
D) Impossible
- 9. _ changes in man can be either temporary or permanent
A) Growth
B) Height
C) Developmental
D) Weight
- 10. Fast gain in weight and height is a characteristic of an _
A) Child
B) Adult
C) Infant
D) Adolescent
- 11. The excretory organ of an amoeba is _
A) Nephridia
B) Green glands
C) Flame cell
D) Contractile vacuole
- 12. The waste products of gills are _
A) Sweat,ammonia salts
B) Bile salts
C) Hormones
D) Carbondioxide, water and urea
- 13. What is the excretory organ of flowering plant?
A) Kidney and lungs
B) Stomata and lenticel
C) Skin and liver
D) Leaves and stems
- 14. Plasma is the liquid part of the _
A) Blood
B) Cells
C) Body
D) Skin
- 15. _ are blood vessels that carry blood from the heart to all parts of the body except pulmonary arteries
A) Capillaries
B) Arteries
C) Blood
D) Veins
- 16. The spinal cord is a soft _
A) Vessel
B) Skin
C) Tissue
D) Muscle
- 17. What provides the connection between the brain, spinal cord and the entire body?
A) Middle nervous system
B) Fore nervous system
C) Central nervous system
D) Peripheral nervous system
- 18. Iron ore are rich in iron _
A) Hydrides
B) Chlorides
C) Oxides
D) Ammonia
- 19. What is used to make coins?
A) Brass
B) Bronze
C) Steel
D) Solder
- 20. How many isotopes of hydrogen do we have?
A) 5
B) 6
C) 3
D) 4
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