Food from other living things, water, suitable temperature, oxygen, nutrients, space.
20
Mr. Boy needs 1800 kJ for his badminton competition. Will eating 100 g of this food be enough for him? Explain.
No, because this food only contains 1540 kJ per 100 g, which is less than 1800 kJ.
15
If today is 22 September 2026, is it safe to eat to this? Expain.
Yes, because the expiry date is 18 September 2028.
10
P3Z planted seeds: Cup A with sunlight and Cup B without sunlight. They watered both plants everyday. They recorded their observations for 2 weeks and made conclusion. What 3 scientific enquiries did they do in this investigation?
Fair testing, Observing over time and Pattern-seeking
20
Can plants grow tall without sunlight? Explain the difference how plant grows with and without sunliglht.
Yes, they can still grow but not healthily. They will grow pale, droop and eventually die.
20
Fill in the blanks: Plants need .............., ..............., and .............. to make their own food in a process called ..................
Plants need sunlight, carbon dioxide and water to make their own food in a process called photosynthesis.
10
Why are plants called the producers in the food chain?
Because plants can produce or make their own food.
10
What is the main source of energy in a food chain?
the Sun
5
Caz drew a food chain: grass <--- grasshopper <--- frog <---- snake <---- eagle. What one mistake do you notice? Explain why it's a mistake.
The arrows are pointing in the wrong direction. The arrows in a food chain show the direction that energy moves or who is eaten by whom.
20
Name the producer in this food chain.
phytoplankton
5
Name all the consumers in this food chain.
ant, scorpion and fennec fox
10
True or False: "All consumers in a food chain are predators." Explain your answer.
False, because the primary consumers in a food chain are not predators. They eat plants and do not hunt and eat other animals.