Theory

CH14 - CO-ORDINATION AND RESPONSE

What is true for a runner, at the end of a marathon race, in a hot climate?A. sweating and vasoconstrictionB. sweating and vasodilationC. vasoconstric...

2009 Summer

Theory

CH14 - CO-ORDINATION AND RESPONSE

When a person is frightened, adrenalin is released by the adrenal glands. What are the effects of the adrenalin?[Table_1]

2009 Summer

Theory

CH14 - CO-ORDINATION AND RESPONSE

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

CH14 - CO-ORDINATION AND RESPONSE

After a meal, the concentration of blood glucose increases.What then causes the concentration of blood glucose to return to normal?A. adrenalinB. bloo...

2009 Winter

Theory

CH14 - CO-ORDINATION AND RESPONSE

A bright light suddenly shines into a person’s eyes.What happens?A. The lenses become more concave.B. The lenses become more convex.C. The pupils be...

2009 Winter

Theory

CH14 - CO-ORDINATION AND RESPONSE

A bright light suddenly shines into a person’s eyes.What happens?A. The lenses become more concave.B. The lenses become more convex.C. The pupils be...

2009 Winter

Theory

CH14 - CO-ORDINATION AND RESPONSE

What happens when the body temperature rises above normal? [Table_1] | | blood vessels in the surface of skin | sweat production | |---|-------...

2010 Summer

Theory

CH14 - CO-ORDINATION AND RESPONSE

The diagram shows some of the muscles and bones of the human arm.When muscle X contracts, what happens to the arm and what happens to muscle Y?[Table_...

2010 Summer

Theory

CH14 - CO-ORDINATION AND RESPONSE

The diagram shows a section through part of the human eye. When a person looks at an object which is close to their eye, which of the following takes ...

2010 Summer

Theory

CH14 - CO-ORDINATION AND RESPONSE

What happens when the body temperature rises above normal? [Table_1] | | blood vessels in the surface of skin | sweat production | |---|-----------...

2010 Summer

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows a leaf on a plant.Which characteristic of life is represented by this diagram?

2019 Summer

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows how _Homo sapiens_ (modern people) could have evolved from earlier ancestors.Which statement about modern people and their ancestors...

2019 Summer

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The photomicrograph shows part of an animal cell.What is the structure labelled X?

2019 Summer

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which features are possessed by all plant cells? [Table_1]

2019 Summer

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows part of the skin. What is the correct level of organisation for the skin?

2019 Summer

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

The diagram shows a test-tube containing clear jelly. A drop of blue ink is injected into the middle of the jelly.The blue colour of the ink spreads t...

2019 Summer

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

The apparatus shown was set up. Some hours later, the water in the beaker had turned blue, and the liquid in the glass tube had moved upwards.Which pr...

2019 Summer

MCQ

CH4 - BIOLOGICAL MOLECULES

Four solutions were tested to see whether they contained protein, starch or glucose.The colours of the solutions after the tests are recorded in the t...

2019 Summer

MCQ

CH4 - BIOLOGICAL MOLECULES

Small molecules are used as the basic units in the synthesis of large food molecules. Which statement is correct?

2019 Summer

MCQ

CH5 - ENZYMES

The diagrams show a protease enzyme catalysing the breaking of part of a protein molecule into smaller pieces.Which diagram has three correct labels?

2019 Summer