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

1

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

1

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

Which characteristic is shown when a person smells a gas in the air?A excretionB movementC respirationD sensitivity

2011 Summer

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows four arthropods.[Image_1: Four illustrations labeled Pediculus ×20, Anopheles ×10, Dermacentor ×7, Carcinus ×0.5]How many of the...

2011 Summer

1

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

An organism has dry scales covering its body. To which vertebrate group does it belong? A: amphibian B: fish C: mammal D: reptile

2011 Summer

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an animal. Use the key to identify the animal.1 has legs .......................... go to 2 has no legs ...................... go ...

2011 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows four specialised cells.Which feature is not common to all of these cells?A. cell membraneB. cytoplasmC. diploid number of chromosome...

2011 Summer

1

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a plant cell.Which labelled structures are found in plant cells but not in animal cells?A P and QB Q and RC R and SD S and T

2011 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows another plant cell.Which feature shows that it is a palisade cell?A a large nucleusB a large vacuoleC a thick cell wallD many chloro...

2011 Summer

2

Theory

CH6 - PLANT NUTRITION

Which structures are adapted for supporting a plant?A. phloem tissuesB. root hair cellsC. stomataD. xylem vessels

2011 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which describes the structure and function of a red blood cell? [Table_1]

2011 Summer

2

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

Boiling potatoes destroys their cell membranes. A peeled, boiled potato strip is placed in a concentrated solution of salts.What takes place?[Table_1]...

2011 Summer

2