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

3

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

3

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

2

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

2

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

3

Theory

CH20 - BIOTECHNOLOGY AND GENETIC ENGINEERING

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

2016 Summer

4

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

4

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Worms come to the soil surface after heavy rain. Which characteristic of living organisms does this show?

2013 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which animal is not an arthropod?

2013 Summer

3

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows a sea lion. Which labelled feature shows that this animal is a mammal?

2013 Summer

7

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an animal found in fresh water. Use the key to identify the animal.1 body divided into segments ............... go to 2 body not d...

2013 Summer

3

MCQ

CH8 - TRANSPORT IN PLANTS

Which statement about xylem is correct?

2013 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a bacterial cell.How is this cell different from a typical animal cell?

2013 Summer

3

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

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

2013 Summer

4

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which of these tissues is not part of the organ with which it is paired?[Table_1]

2013 Summer

4

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a specialised cell. For which function is the cell adapted?

2013 Summer

6

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

The diagram represents two liquids, separated by a membrane through which osmosis can occur. What movement of molecules will occur?

2013 Summer

2