PT3 SECTION A SET 2

The diagram shows the reading of vernier caliper when a student measures the diameter of a coin. What is the diameter of the coin?

• 22.35mm

• 22.30mm

• 22.50mm

• 22.31mm

Which of the following statement is true about female gamete?

• Medium sized cells

• Known as ovary

• Cannot move by itself

• The jelly layer contains genetic information

Which of the following is the application of the distillation technique in life?

I Iodine test for starch

II Production of perfume

III Purification of water

IV Crane magnet

• I and II

• II and III

• III and IV

• I and IV

The fire blanket is one of the alternatives to extinguish a small fire. How does a fire blanket work?

• Prevents heat from escaping to the surrounding

• Prevents carbon dioxide from escaping to the surrounding

• Prevent heat from entering the blanket until the fire is extinguished

• Prevent oxygen from entering the blanket until the fire is extinguished

Why does the transpiration process is important for plants?

• To produce more plants

• For cooling down the plant

• To accelerate plant growth

• To increases the photosynthesis rate

The diagram shows animals M and N. What are the similarities between animals M and N?

I Carry out internal fertilisation

II Has a pair of scaiy legs

III Breastfeed the young

IV Homoiothermic

• I and II

• III and IV

• II and III

• I and IV

Why did James who lives in the North Pole need more calories than Nyugen who live in Vietnam?

• Individual who live in a cold climate country are more active

• Individual who live in a cold climate country do heavier work

• Individual who live in a cold climate country has a larger body size

• Individual who live in a cold climate country require more food to maintain body temperature

How can artificial passive immunity formed in an individual?

• When taking antibiotic

• When the vaccine is injected into the body

• When antiserum is injected into the body

• Once the individual is healed from a disease

The above shows an equation. What is W?

• Sodium sulphate

• Sodium nitrate

• Sulphate hydroxide

• Sulphate nitrate

The diagram shows a circuit. How much current is flowing in each resistor R₁ and R₂ ?

• R_{1 -} 1.0A , R₂ - 1.5A

• R_{1 -} 1.5A , R₂ - 1.0A

• R_{1 -} 2.0A , R₂ - 3.0A

• R_{1 -} 3.0A , R₂ - 2.0A