Theory

CH7 - HUMAN NUTRITION

(a) Label the structures shown in Fig. 1.1. Write the labels in the boxes in Fig. 1.1. (b) Suggest the role of the muscle tissue shown in the villus i...

2011 Summer

2

Theory

CH7 - HUMAN NUTRITION

What is the optimum pH for stomach protease? A. pH 2 B. pH 7 C. pH 9 D. pH 12

2009 Summer

1

Theory

CH7 - HUMAN NUTRITION

The diagram shows part of a starch molecule.Which diagram shows this molecule after it has been completely digested?A B C D

2009 Summer

1

Theory

CH7 - HUMAN NUTRITION

What does the digestion of starch produce?A. fatty acidsB. glucoseC. mineral saltsD. water

2010 Winter

2

Theory

CH7 - HUMAN NUTRITION

Which type of tooth is used for crushing food?

2010 Winter

1

Theory

CH7 - HUMAN NUTRITION

The diagram shows a type of tooth.[Image_1: Diagram of a tooth showing crown and root]Use the key to identify the tooth.1. double rooted tooth ..........

2010 Winter

2

Theory

CH7 - HUMAN NUTRITION

The table shows vitamin and mineral salt content of four foods.[Table_1]Which foods would stop a person from suffering from anaemia (lack of haemoglob...

2010 Winter

2

Theory

CH7 - HUMAN NUTRITION

A child decided to eat only meat, oily fish, cheese and bread, and drink only water. Which nutrient would be in low levels in this diet? A. calcium ...

2012 Winter

2

Theory

CH7 - HUMAN NUTRITION

What has \textit{not} increased the world’s food production in the last 100 years?A artificial selectionB herbicidesC natural selectionD pestici...

2012 Winter

2

Theory

CH7 - HUMAN NUTRITION

The diagram shows blood vessel P which carries digested food from the small intestine to the liver.Which row describes the level of glucose in blood v...

2010 Winter

5

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

2

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

2

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