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

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

(a) (i) State the name of the gas exchange surface in humans. ...........................................................................................

2022 Spring

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

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

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

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

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

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

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which diagram shows a flower from a monocotyledon?

2022 Summer

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

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a cross-section through a leaf. Which label shows a tissue?

2022 Summer