Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

The diagram shows a food chain.A disease reduced the number of consumer 2.What effect would this be likely to have on the numbers of consumer 1 and co...

2009 Summer

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

The diagram shows a food web. Which arrow does not show the direction of energy flow?

2009 Summer

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

The diagram shows a tree and organisms associated with it.Which labelled organism is a producer?

2009 Summer

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

The diagram shows a simplified carbon cycle. [Image_1: Diagram of carbon cycle]What is process X?A combustionB decayC excretionD photosynt...

2009 Summer

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

The diagram shows the release of a substance into the atmosphere from different sources. What is this substance?A carbon dioxideB oxygenC ureaD water ...

2009 Summer

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

The graph shows the change in the numbers of a species of small mammal living on an island. Which letter represents the phase where the population gro...

2009 Summer

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

An agricultural student investigated nutrient cycles on a farm where cattle are kept for milk. The farmer grows grass and clover as food for the cattl...

2009 Summer

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

The diagram shows some food relationships in a woodland area.Which of the labelled animals are in competition with seed-eating insects for their food?

2009 Winter

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

The diagram represents a pyramid of biomass within an ecosystem. [Image_1: Diagram showing a pyramid with labels for carnivores, herbivores, producers...

2009 Winter

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

The diagram shows the flow of energy through four organisms in a food chain. Which organism is a producer?

2009 Winter

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

A living organism, X, can make its own food, get rid of toxic materials and detect and respond to stimuli. What other four processes must organism X ...

2012 Summer

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which group of organisms has the following features?• three pairs of jointed legs• three-part segmented body• one pair of antennaeA arachnidsB c...

2012 Summer

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The table shows some characteristics of four different vertebrates.Which vertebrate is a reptile?[Table_1] Table-1: | | fins | legs | scales | hair ...

2012 Summer

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows a fish. Use the key to identify the fish.1. black stripe across the eye ................................. go to 2    ...

2012 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a student's drawing of guard cells. Which label is not correct? [Image_1: Diagram with labels] A. chloroplast B. cytoplasm C. sto...

2012 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a liver cell. Which structure is found in a palisade cell that is not present in this liver cell?A cell membraneB chloroplastC cytop...

2012 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which diagram shows a plant cell? [Image_1: A - Neuron, B - Plant Cell, C - Sperm Cell, D - White Blood Cell]

2012 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which statement about cells or tissues, is correct? A Cells in the respiratory tract are long and thin. B Muscle cells are biconcave. C Red blood c...

2012 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Why do some root cells have root hairs?A for the maintenance of the temperature of the cell sapB to increase the surface area of the cellsC to increas...

2012 Summer

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

Which structures must be present in a cell for osmosis to take place?A. cell (sap) vacuole and cell wallB. cell wall and cell membraneC. chloroplast a...

2012 Summer