Theory

CH20 - BIOTECHNOLOGY AND GENETIC ENGINEERING

Modern technology can be used to increase the yield of crops.(a) The use of chemicals, such as fertilisers, herbicides and pesticides, is one of the d...

2009 Summer

2

Theory

CH20 - BIOTECHNOLOGY AND GENETIC ENGINEERING

There are many people in the world who are not able to digest lactose, a sugar in milk produced by cows, goats and sheep. These people do not make the...

2011 Summer

2

Theory

CH20 - BIOTECHNOLOGY AND GENETIC ENGINEERING

Genetic engineering can be used to improve crops. (a) Explain the meaning of the term genetic engineering. ............................................

2016 Summer

2

Theory

CH20 - BIOTECHNOLOGY AND GENETIC ENGINEERING

The development of biological washing powders using enzymes from bacteria is an example of biotechnology.(a) State two reasons why bacteria are useful...

2016 Summer

1

Theory

CH20 - BIOTECHNOLOGY AND GENETIC ENGINEERING

(a) Respiration releases energy. Write the word equation for aerobic respiration. .......................................................................

2018 Summer

3

Theory

CH20 - BIOTECHNOLOGY AND GENETIC ENGINEERING

(a) (i) How much juice had been extracted from the apples in Sample A after 2 minutes? ................................................ cm$^3$ [1] (ii...

2017 Summer

1

Theory

CH20 - BIOTECHNOLOGY AND GENETIC ENGINEERING

(a) There are two types of cell division, meiosis and mitosis.Cells produced by each type of division have different characteristics and functions.Com...

2017 Summer

2

Theory

CH20 - BIOTECHNOLOGY AND GENETIC ENGINEERING

(a) Define the term \emph{genetic engineering}.\text{....................................................................................................

2016 Summer

3

Theory

CH20 - BIOTECHNOLOGY AND GENETIC ENGINEERING

(a) A person with diabetes may be unable to make insulin.(i) Insulin belongs to an important group of chemicals made by the body.State the name of thi...

2017 Winter

2

Theory

CH20 - BIOTECHNOLOGY AND GENETIC ENGINEERING

(a) Define the term genetic engineering..................................................................................................................

2016 Summer

3

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which organisms carry out respiration, growth, movement and excretion?

2018 Summer

1

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an animal whose scientific name is *Falco peregrinus*. To which species does it belong?

2018 Summer

5

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

What kind of skin do amphibians have?

2018 Summer

1

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows a flowering plant. Use the key to identify the plant.

2018 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a plant cell. In which labelled part of the cell is sugar made?

2018 Summer

2

MCQ

CH8 - TRANSPORT IN PLANTS

Why do some root cells have root hairs?

2018 Summer

3

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

Which words correctly complete the paragraph? Diffusion may be defined as the net movement of particles from a region of their ......1...... concentr...

2018 Summer

2

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

Which part of a plant root hair is partially permeable?

2018 Summer

1

MCQ

CH4 - BIOLOGICAL MOLECULES

The table shows the results of food tests carried out on a fruit.[Table_1]What did the fruit contain?

2018 Summer

2

MCQ

CH5 - ENZYMES

An experiment was carried out to investigate the effect of pH on enzyme action. The graph shows the results. What are the labels for the x-axis and th...

2018 Summer

2