4 marksFoundation
A student tests some foods for starch, sugar and protein.
.1Which solution does the student use to test for starch?
[1 mark] .2The student heats a food with Benedict's solution. The food contains a lot of glucose.
What colour does the mixture turn?
[1 mark] .3Name the solution used to test for protein.
[1 mark] .4Suggest why the student heats the Benedict's test tubes in a water bath rather than directly over a Bunsen burner.
[1 mark] 3 marksFoundation
Respiration happens continuously in living cells.
.1Which word equation shows aerobic respiration?
[1 mark] .2During hard exercise, muscle cells respire anaerobically. What do they produce?
[1 mark] .3Why do all living cells respire?
[1 mark] 3 marksFoundation
A leaf is a plant organ made of several tissues.
.1What is the main function of the palisade mesophyll tissue?
[1 mark] .2Name the tissue that carries water from the roots to the leaves.
[1 mark] .3What does phloem tissue transport?
[1 mark] 3 marksFoundation
Hormones are chemicals secreted by endocrine glands.
.1Name the gland in the brain that is often called the 'master gland'.
[1 mark] .2Which gland produces insulin?
[1 mark] .3How do hormones travel to their target organs?
[1 mark] 3 marksFoundation
Body cells divide in a series of stages called the cell cycle.
.1Put the stages of the cell cycle in the correct order, starting with the first.
[1 mark] .2Name the type of cell division in the cell cycle that makes two genetically identical cells.
[1 mark] .3In the nucleus of a human body cell, how are the chromosomes arranged?
[1 mark]