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

Theory

CH9 - TRANSPORT IN ANIMALS

Fig. 2.1 shows the blood supply for the liver of a mammal. (a) Blood from organ X is carried to the liver by blood vessel Y. Name (i) organ X, ..........

2009 Summer

Theory

CH9 - TRANSPORT IN ANIMALS

(a) Fig. 3.1 shows the activity of an enzyme produced by bacteria that live in very hot water.[Image_1: Graph showing enzyme activity]Using the inform...

2009 Summer

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

Theory

CH9 - TRANSPORT IN ANIMALS

The diagram shows the blood circulatory system of a human. How many times does the blood pass through the heart on its way from the kidneys to the aor...

2009 Winter

Theory

CH9 - TRANSPORT IN ANIMALS

What describes the aortic (semi-lunar) and bicuspid (mitral) heart valves when the left ventricle is relaxing?[Table_1]aortic valvebicuspid valveAclos...

2009 Winter

Theory

CH9 - TRANSPORT IN ANIMALS

The diagram shows the blood circulatory system of a human. How many times does the blood pass through the heart on its way from the kidneys to the aor...

2009 Winter

Theory

CH9 - TRANSPORT IN ANIMALS

(a) Mammals have a double circulatory system. Explain what is meant by a double circulatory system. ...................................................

2009 Winter

Theory

CH9 - TRANSPORT IN ANIMALS

The photograph shows human blood cells as seen under a microscope at high power. Which are red cells?A P and QB Q and RC R and SD S and P

2010 Summer

Theory

CH9 - TRANSPORT IN ANIMALS

The photograph shows human blood cells as seen under a microscope at high power. Which are red cells? A P and Q B Q and R C R and S D S and P

2010 Summer

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

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

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

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

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

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

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

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

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

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