NSP-111-240727-143347

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1.  Countries that face water shortage can ___________________.
   A: reuse water
   B: recycle water
   C: obtain water from seawater
   D: build more reservoirs to collect rainwater

   A) A and B only
   B) B and C only
   C) A, B and C only
   D) A, B, C and D
   

2.  Selma set up the experiment as shown below. She poured equal amounts of water into 4 different glass containers and placed them under the Sun.
   
   She was testing the effect of the _______________ on the rate of evaporation of water.

   A) heat from the Sun
   B) size of container
   C) area of exposed surface
   D) amount of water vapour in the surroundings
   

3.  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.

   A) A and C only
   B) A and D only
   C) B and C only
   D) A, C and D only
   

4.  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?

   A)
   
   
   B)
   
   
   C)
   
   
   D)
   
   
   

5.  John conducted an experiment to find out if carbon dioxide is given off by the mouse during respiration.
   
   Which 1 of the following observations would he make after 1 hour?
   

   	Limewater in flask A	Limewater in flask B
   (1)	Remained clear	Turned chalky
   (2)	Turned chalky	Remained clear
   (3)	Remained clear	Remained clear
   (4)	Turned chalky	Turned chalky

   A) (1)
   B) (2)
   C) (3)
   D) (4)
   

6.  The metal tank below has a capacity of 1000 cm3.
   
   It can be filled with _____________________.

   A) 1200 cm3 of water
   B) 1200 cm3 of petrol
   C) 1200 cm3 of oxygen
   D) 1200 cm3 of rice grains
   

7.  Samy made some statements about the plant shown below.
   
   Which of the following statement(s) he made was/were correct?
   A: It can reproduce.
   B: It can move on its own.
   C: It does not need food to stay alive.

   A) A only
   B) C only
   C) A and B only
   D) B and C only
   

8.  The air we breathe out contains more ____________ than the air we breathe in.
   A: Oxygen
   B: Carbon dioxide
   C: Nitrogen

   A) A only
   B) B only
   C) A and B only
   D) A, B and C
   

9.  The boxes below represent the different states of water in the water cycle.
   
   Which of the following correctly describe A?
   A: It is made up of tiny water droplets.
   B: It is formed when water evaporates.
   C: It is invisible.

   A) A only
   B) B only
   C) A and B only
   D) B and C only
   

10.  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

    A) A, B and C only
    B) A, B and D only
    C) C and D only
    D) A, B, C and D