1 Name the gas needed to release energy to make a skin graft.
Oxygen or air
2 Suggest the most suitable temperature to make skin cells grow.
37 °C or body temperature
3 What is meant by tissue culture?
Growing cells or tissue (in a laboratory or in sterile conditions)
4 Select the correct term from the following list to match the term Organ: liver, variation, lipid, haploid, sap
Liver
5 What is a tissue?
Cells which have the same function or specialised cells
6 What is a tissue?
Cells which have the same function or specialised cells
7 Name two vascular tissues found in flowering plants.
Xylem, phloem
8 Suggest a reason why sterile conditions are needed in tissue culture.
To prevent bacterial growth or contamination
9 What type of cell division, mitosis or meiosis, is involved in tissue culture?
Mitosis
10 Give one other application of tissue culture apart from skin grafting.
Plant breeding or micropropagation or cancer research or antibodies or cloning
11 In biology, what is meant by the term organ?
A group of tissues (working together)
12 Name two tissues found in animals.
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Names of two tissues, e.g. dermal, vascular, muscular, etc.
13 Organs are found in both plants and animals. What is meant by the term organ?
A group of tissues / Structure composed of two or more tissues
14 Name one organ found in plants.
Leaf / Root / Stem / Bud / Tuber / Flower/ bulbs/ Rhizome …/
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