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