Which 1 of the following diagrams correctly shows the exchange of gases between the leaf of a plant and the surrounding air on a dark night?
Your answer=,
Correct answer= C,
- Which of the following are some causes of water pollution?
A: Oil spills
B: Deforestation
C: Rubbish thrown from a ship
D: A gardener uses insecticide near a pond
Your answer=,
Correct answer= D,
- A glass of milk has the same volume as a block of butter.
They both __________________________________.
Your answer=D,
Correct answer= D,
- Living things cannot survive without water.
Why is water important to living things?
A: Water is home to many living things.
B: Water is needed by living things to carry out life processes.
C: Water is needed by green plants to make food.
Your answer=,
Correct answer= D,
- Plants spread their branches and leaves to get as much _____________ as possible.
A: food
B: water
C: sunlight
Your answer=,
Correct answer= B,
- A measuring cylinder was filled with some water. Then 2 identical marbles were added to it.
What is the volume of each marble?
Your answer=,
Correct answer= A,
- What was the room temperature?
Your answer=,
Correct answer= C,
- Animal B lives in water. It does not lay eggs. Its young feed on the mother's milk. Animal B belongs to the group of ______________.
Your answer=,
Correct answer= D,
- Which 1 of the following ways best describes water conservation?
Your answer=,
Correct answer= D,
- The table below shows the number of seedlings planted in a plot of land over a period of 2 weeks.
Days
| Number of seedlings
|
1
| 80
|
6
| 63
|
10
| 41
|
14
| 28
|
What could have caused the changes in the number of seedlings over the 2 weeks?
A: A drop in the supply of water to these seedlings.
B: A decrease in the number of animals feeding on the seedlings.
C: Regular rainfall resulting in the plants getting enough water.
D: Lack of nutrients in the soil.
Your answer=,
Correct answer= B,