Fertilisation only takes place when many sperms fuse with an egg.
True or False
False
What is the main purpose of a flower?
A) To make food
B) To reproduce
C) To absorb water
D) To protect the plant
B) To reproduce
What happens when water is heated to 100°C?
A) It freezes
B) It condenses
C) It evaporates
D) It melts
C) It evaporates
Which of the following is a source of light?
A) Moon
B) Mirror
C) Sun
D) Window
C) Sun
Heat always moves from a hotter object to a cooler one.
True / False
True
What happens during fertilisation?
A) The fertilised egg develops into a baby.
B) A sperm fuses with an egg.
C) The egg develops in the female's womb
B) A sperm fuses with an egg.
Which part of a flower produces pollen?
A) Petal
B) Sepal
C) Anther
D) Stigma
C) Anther
Which process in the water cycle forms clouds?
A) Condensation
B) Evaporation
C) Precipitation
D) Melting
A) Condensation
Which surface best reflects heat?
A) Black rough surface
B) White smooth surface
C) Dark wood
D) Green grass
Answer: B
White smooth surface
What is the role of the uterus?
A) Produces eggs
B) Protects the baby during pregnancy
C) Makes sperm
D) Helps digestion
B) Protects the baby during pregnancy
Some plants have leaves with red and green parts.
Which part can make food?
A) Only the green parts
B) Only the red parts
C) Both red and green parts
C) Both red and green parts
Chlorophyll, a green pigment is found underneath the red pigment of the leave
1) Put ice cubes into a glass
2) Observe the glass of ice cubes
3) Wipe the outer surface of a glass dry.
3 - 1 - 2
Which of these is a good conductor of electricity?
A) Rubber
B) Wood
C) Plastic
D) Copper
D) Copper
How does the developing baby obtain nutrients?
From the female's blood through the umbilical cord /Placenta
Name 2 functions of stem
To take in/transport water for the plants.
To hold the plant firmly to the soil.
To climb a support and enable the plant to reach for more sunlight.
2 examples of solid forms of water
ice, snow, hail
Name 2 differences between the sperm and egg.
Sperm contains father's characteristics while egg contains mother's characteristics
Sperm is smaller with a head and a tail while egg is larger ad round in shape
Sperm is released from the testes and egg is released from the ovary
State two characteristics of plant that show it is a living thing.
Like living things,
the plants need air, food and water to survive
the plants respond to the surroundings
List 3 examples of water conservation in our daily life
Turn off the tap while brushing teeth.
Use a mug to rinse instead of letting water run.
Take shorter showers to save water.
Fix leaking taps or pipes to avoid water waste.
Use a bucket instead of a hose to wash cars or water plants.
Collect rainwater in pails to water plants.
Use leftover water (from washing vegetables or rice) to water the garden.
Only run the washing machine with a full load.
Water plants in the early morning or late evening to reduce water loss from evaporation.
Choose water-saving appliances (like low-flow taps and toilets).