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

CH14 - CO-ORDINATION AND RESPONSE

(a) Fig. 1.1 is a diagram showing the position of some organs in the human body. Some of the organs shown in Fig. 1.1 are endocrine glands. Table 1.1...

2021 Spring

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

(a) Fig. 2.1 is a diagram of a prokaryotic cell. Fig. 2.1 (i) State one visible feature in Fig. 2.1 that identifies this cell as a prokaryotic cel...

2021 Spring

Theory

CH9 - TRANSPORT IN ANIMALS

(a) The activity of the heart can be monitored using different methods.Fig. 3.1 shows two ECG traces. One trace was recorded when the person was at re...

2021 Spring

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

(a) A leaf can be described as an organ.Define the term organ............................................................................................

2021 Spring

Theory

CH10 - DISEASES AND IMMUNITY

(a) Measles is a transmissible disease.The percentage of the population that were vaccinated against measles in a country was determined.The number of...

2021 Spring

Theory

Food Webs

(a) Fig. 6.1 shows a food web. (i) State the number of trophic levels in the food web in Fig. 6.1. [1] (ii) State the name of one organism that fe...

2021 Spring

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

What is a characteristic of all living organisms?

2021 Summer

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The table shows a section of DNA taken from four different organisms.[Table_1]Which two organisms are the most distantly related to each other?

2021 Summer

MCQ

Animal Kingdom - Arthropods and Vertebrates

Scientists discover a new species of animal. It has a segmented body with two pairs of legs on each segment. To which group of animals does this new s...

2021 Summer

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a single-celled organism called *Euglena*. Which labelled structures would also be found in an animal cell?

2021 Summer