- 1. Moment is measured in _
A) M
B) Nm
C) S
D) J
- 2. The ability of a force to make an object turn depends on _ factors
A) Two
B) Four
C) Three
D) Five
- 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) 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) 6W
B) 4.3W
C) 2.3W
D) 189W
A) Density
B) Derived
C) Voltage
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) True
B) False
C) No idea
D) Impossible
- 9. _ changes in man can be either temporary or permanent
A) Growth
B) Height
C) Weight
D) Developmental
- 10. Fast gain in weight and height is a characteristic of an _
A) Child
B) Infant
C) Adolescent
D) Adult
- 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) Bile salts
D) Carbondioxide, water and urea
- 13. What is the excretory organ of flowering plant?
A) Stomata and lenticel
B) Skin and liver
C) Kidney and lungs
D) Leaves and stems
- 14. Plasma is the liquid part of the _
A) Cells
B) Skin
C) Body
D) Blood
- 15. _ are blood vessels that carry blood from the heart to all parts of the body except pulmonary arteries
A) Veins
B) Blood
C) Arteries
D) Capillaries
- 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) Fore nervous system
B) Middle nervous system
C) Peripheral nervous system
D) Central nervous system
- 18. Iron ore are rich in iron _
A) Ammonia
B) Chlorides
C) Oxides
D) Hydrides
- 19. What is used to make coins?
A) Bronze
B) Solder
C) Brass
D) Steel
- 20. How many isotopes of hydrogen do we have?
A) 4
B) 5
C) 3
D) 6
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