Theory

CH9 - TRANSPORT IN ANIMALS

The diagram shows the human heart.Which two chambers contract at the same time?A W and X B W and Z C X and Z D X and Y

2009 Summer

2

Theory

CH9 - TRANSPORT IN ANIMALS

How often must a blood cell in the renal artery pass through the heart before it again reaches the renal artery?A. onceB. twiceC. three timesD. four t...

2010 Winter

5

Theory

CH9 - TRANSPORT IN ANIMALS

The diagram represents some human organs and their blood vessels.Immediately after taking an alcoholic drink, how would the levels of alcohol compare ...

2012 Winter

2

Theory

CH9 - TRANSPORT IN ANIMALS

The diagram shows some parts from the blood of a mammal. Which part would contain the breakdown products of bacterial cells?

2011 Summer

3

Theory

CH9 - TRANSPORT IN ANIMALS

Which describes the structure and function of a red blood cell?[Table_1]structurefunctionAcell contents are deadtransport of waterBhas a nucleusproduc...

2011 Summer

3

Theory

CH9 - TRANSPORT IN ANIMALS

(a) Suggest how lymph is moved in the lymph vessels. (b) After a meal rich in fatty foods, the lymph leaving the ileum is full of fat droplets. Expl...

2010 Winter

3

Theory

CH9 - TRANSPORT IN ANIMALS

Heart surgeons may stop the heart beating during operations. While this happens blood is pumped through a heart-lung machine that oxygenates the blood...

2011 Winter

3

Theory

CH9 - TRANSPORT IN ANIMALS

Which diagram shows the human double circulatory system? A heart B heart C heart D heart

2012 Summer

6

Theory

CH9 - TRANSPORT IN ANIMALS

Proteins in the blood are involved in protection of the body.Three proteins found in the blood are• antibodies• thrombin• fibrinogen(a) (i) Name...

2011 Winter

1

Theory

CH9 - TRANSPORT IN ANIMALS

What describes the aortic (semi-lunar) and bicuspid (mitral) heart valves when the left ventricle is relaxing?[Table_1]Table 1:| | aortic valv...

2009 Winter

3

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which characteristic is shown when a person smells a gas in the air?A excretionB movementC respirationD sensitivity

2011 Summer

6

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows four arthropods.[Image_1: Four illustrations labeled Pediculus ×20, Anopheles ×10, Dermacentor ×7, Carcinus ×0.5]How many of the...

2011 Summer

15

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

An organism has dry scales covering its body. To which vertebrate group does it belong? A: amphibian B: fish C: mammal D: reptile

2011 Summer

4

Theory

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 ...................... go ...

2011 Summer

3

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows four specialised cells.Which feature is not common to all of these cells?A. cell membraneB. cytoplasmC. diploid number of chromosome...

2011 Summer

11

Theory

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?A P and QB Q and RC R and SD S and T

2011 Summer

8

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows another plant cell.Which feature shows that it is a palisade cell?A a large nucleusB a large vacuoleC a thick cell wallD many chloro...

2011 Summer

4

Theory

CH6 - PLANT NUTRITION

Which structures are adapted for supporting a plant?A. phloem tissuesB. root hair cellsC. stomataD. xylem vessels

2011 Summer

3

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

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

2011 Summer

2

Theory

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?[Table_1]...

2011 Summer

3