Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

Fig. 2.1 shows part of the nitrogen cycle.(a) Name the processes A and B shown in Fig. 2.1.A ............................................................

2011 Summer

2

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

The diagram shows a food web.Which of the following is a food chain in this web?A. grass → rabbits → eagleB. grass → voles → eagleC. rabbit fl...

2011 Summer

1

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

The diagram shows part of the carbon cycle.[Image]Which process is taking place at X?A combustionB decompositionC photosynthesisD respiration

2011 Summer

2

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

The diagram shows part of the water cycle.Which arrow represents condensation?

2011 Summer

1

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

Some bacteria were grown in a nutrient solution over a period of two weeks. The graph shows how the population of bacteria changed during this time.Wh...

2011 Summer

2

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

In a particular habitat, hyaenas eat antelopes and grass is eaten by antelopes.What is the source of energy for the grass?A antelopesB carbon dioxid...

2011 Summer

1

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

Which process forms part of both the carbon and water cycles?A condensationB fossilisationC photosynthesisD transpiration

2012 Winter

1

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

The diagram shows a food chain. mahogany tree \rightarrow caterpillar \rightarrow small bird \rightarrow owl In this food chain, which population ha...

2012 Winter

2

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

2

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

The diagram shows a food web near a sea shore. Which animals have the most varied food, as shown in this food web?A crabsB limpetsC lobstersD seagulls

2012 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

1

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

1

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