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

3

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

2

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

2

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

(a) (i) State the name of the gas exchange surface in humans. ...........................................................................................

2022 Spring

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

(a) Fig. 2.1 is a photomicrograph showing the fertilisation of one human egg cell. [Image_1: Photomicrograph of fertilisation with label 'sperm']Descr...

2022 Spring

1

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

(a) A scientist investigated the effect of temperature on the mass of leaves picked from a tea plant, *Camellia sinensis*.• Three samples of leaves ...

2022 Spring

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

(a) Fig. 4.1 is a diagram of Vibrio cholerae, the bacterium that causes cholera. (i) Describe two similarities and two differences between a palisade ...

2022 Spring

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The Arabian oryx and the northern white rhinoceros are both mammals.Fig. 5.1 is a photograph of an Arabian oryx. Fig. 5.2 is a photograph of a norther...

2022 Spring

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

(a) Complete Table 6.1 to show the names, functions and sites of action of the three different digestive enzymes.Table 6.1| name of enzyme | function ...

2022 Spring

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

All living organisms release energy from nutrient molecules within their cells. What is the name of this characteristic?

2022 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which diagram shows a flower from a monocotyledon?

2022 Summer

1

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a cross-section through two guard cells of a leaf. Which labelled structures would also be found in an animal cell?

2022 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a cross-section through a leaf. Which label shows a tissue?

2022 Summer

1