Theory

CH12 - RESPIRATION

Which substances are formed during anaerobic respiration in animals and yeast?[Table_1]| | animals | yeast ...

2009 Summer

Theory

CH12 - RESPIRATION

From the graph, when did the person begin a period of vigorous exercise after resting?

2009 Winter

Theory

CH12 - RESPIRATION

Which word equation represents anaerobic respiration in human muscle? A. glucose → carbon dioxide + ethanol (alcohol) B. glucose → carbon dioxid...

2009 Winter

Theory

CH12 - RESPIRATION

The diagram shows two experiments on the gaseous exchange in small aerobic crustaceans.Soda-lime absorbs carbon dioxide.Which way does the liquid mark...

2009 Winter

Theory

CH12 - RESPIRATION

The diagram shows two experiments on the gaseous exchange in small aerobic crustaceans. Soda-lime absorbs carbon dioxide.Which way does the liquid mar...

2009 Winter

Theory

CH12 - RESPIRATION

Which word equation represents anaerobic respiration in human muscle?A. glucose \rightarrow carbon dioxide + ethanol (alcohol)B. glucose \rightarrow c...

2009 Winter

Theory

CH12 - RESPIRATION

The equation shows the breakdown of glucose during aerobic respiration.glucose + oxygen \rightarrow product P + product QThis process is a part ofA. t...

2009 Winter

Theory

CH12 - RESPIRATION

The table shows some of the features of respiration.Which row is correct for anaerobic respiration?[Table_1]energy remaining in productsamount of ener...

2010 Summer

Theory

CH12 - RESPIRATION

Four words are shown below.alcohol anaerobic sugar yeastThese words can be used in the spaces P, Q, R and S to complete the sentence below.�...

2010 Summer

Theory

CH12 - RESPIRATION

The table shows some of the features of respiration.Which row is correct for anaerobic respiration?[Table_1]| | energy remaining in produ...

2010 Summer

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