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

2

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

2

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

1

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

2

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

1

Theory

CH9 - TRANSPORT IN ANIMALS

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

2012 Summer

3

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

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

What is defined as the chemical reactions that break down food molecules in cells to release energy?A excretionB movementC nutritionD respiration

2010 Summer

1

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an arthropod animal. Which features are characteristic of all arthropods?A. jointed legs and segmented bodyB. jointed legs and thora...

2010 Summer

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows a section through a flower.Using the key, identify this flower.1. sepals present .................................................. ...

2010 Summer

3

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which row shows the most likely number of chloroplasts in three types of cell in a leaf?[Table_1]

2010 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows some liver cells as they appear under the microscope. How many cell walls can be seen?A 0 B 2 C 3 D 5

2010 Summer

1

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which row shows the structures present in plant and animal cells?[Table_1: | | cell wall | cytoplasm | nucleus | cell membrane ||--------|-----...

2010 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which structure is at a different level of organisation from the other three?A) kidneyB) liverC) neuroneD) testis

2010 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which diagram shows one organ only?[Image_1 with diagrams labeled A, B, C, D]

2010 Summer

2

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

On a dry, sunny day, how does water vapour move through the stomata of a leaf?A. into the leaf by diffusionB. into the leaf by osmosisC. out of the le...

2010 Summer

1

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

The diagram shows an experiment using a potato.Which shows the result of the experiment after 24 hours?ABCD

2010 Summer

1