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 characteristic is shown when a person smells a gas in the air?

2011 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows four arthropods. How many of these arthropods are insects?

2011 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

An organism has dry scales covering its body.To which vertebrate group does it belong?

2011 Summer

3

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an animal. Use the key to identify the animal.1 has legs ...................................... go to 2 has no legs .................

2011 Summer

4

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows four specialised cells. Which feature is not common to all of these cells?

2011 Summer

1

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a plant cell.Which labelled structures are found in plant cells but not in animal cells?

2011 Summer

5

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows another plant cell. Which feature shows that it is a palisade cell?

2011 Summer

1

MCQ

CH6 - PLANT NUTRITION

Which structures are adapted for supporting a plant?

2011 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which describes the structure and function of a red blood cell? [Table_1]

2011 Summer

2

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

Boiling potatoes destroys their cell membranes. A peeled, boiled potato strip is placed in a concentrated solution of salts. What takes place?

2011 Summer

1