The unit of force is the: A) Joule B) Watt C) Newton D) Kilogram
Red blood cells contain hemoglobin which carries oxygen to the body’s tissues. With fewer red blood cells, less oxygen reaches the muscles and brain, so the body cannot produce enough energy through aerobic respiration, leading to fatigue and breathlessness.
A student measures the length of a pencil as 15.2 cm. (a) What instrument did they likely use? (1 mark) (b) Express 15.2 cm in metres. (1 mark) f2 integrated science exam paper
Which organ pumps blood around the body? A) Brain B) Liver C) Heart D) Kidney
"Name the organelle responsible for releasing energy during respiration. (1 mk). Explain why a muscle cell contains more mitochondria than a skin cell. (2 mks)." The unit of force is the: A) Joule
(8 marks)
This unit focuses on the composition of air (nitrogen, oxygen, carbon dioxide), the processes of photosynthesis and respiration , and how these sustain life. (a) What instrument did they likely use
– Requires in-depth explanations of experimental setups and data analysis.
(c) If the car stops suddenly, why do passengers lurch forward? (2 marks)
(d) Give agents of pollination. (2 marks)
