Theory

CH16 - REPRODUCTION

What crosses the placenta from fetal blood to maternal blood in larger quantities than from maternal blood to fetal blood? A amino acids B carbon di...

2009 Summer

Theory

CH16 - REPRODUCTION

Fruits can be dispersed by animals or by wind. The table contains descriptions of four fruits. Which fruit will be dispersed by wind?  

2009 Summer

Theory

CH16 - REPRODUCTION

The experiment shown in the diagram was set up to see what conditions are needed for seeds to germinate. Except for tube number 5, all tubes are kept ...

2009 Summer

Theory

CH16 - REPRODUCTION

How does the rhythm method of family planning work?A. A physical barrier stops sperms reaching the egg.B. Implantation is prevented.C. Intercourse is ...

2009 Winter

Theory

CH16 - REPRODUCTION

The diagram shows a flower in section.Where will fertilisation occur?[Image of flower]

2009 Winter

Theory

CH16 - REPRODUCTION

The graph shows the changes in the dry masses of two similar samples of seeds from the start of germination.What causes the change in dry mass after d...

2009 Winter

Theory

CH16 - REPRODUCTION

The diagram shows a bean seed when planted and the same seed two days later. Which conditions are necessary for these changes to occur? [Table_1] ...

2009 Winter

Theory

CH16 - REPRODUCTION

The diagram shows a flower in section. Where will fertilisation occur?

2009 Winter

Theory

CH16 - REPRODUCTION

The diagram shows a bean seed when planted and the same seed two days later. Which conditions are necessary for these changes to occur?[Table_1]

2009 Winter

Theory

CH16 - REPRODUCTION

The graph shows the changes in the dry masses of two similar samples of seeds from the start of germination. What causes the change in dry mass aft...

2009 Winter

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

A living organism, X, can make its own food, get rid of toxic materials and detect and respond to stimuli. What other four processes must organism X ...

2012 Summer

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which group of organisms has the following features?• three pairs of jointed legs• three-part segmented body• one pair of antennaeA arachnidsB c...

2012 Summer

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The table shows some characteristics of four different vertebrates.Which vertebrate is a reptile?[Table_1] Table-1: | | fins | legs | scales | hair ...

2012 Summer

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows a fish. Use the key to identify the fish.1. black stripe across the eye ................................. go to 2    ...

2012 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a student's drawing of guard cells. Which label is not correct? [Image_1: Diagram with labels] A. chloroplast B. cytoplasm C. sto...

2012 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a liver cell. Which structure is found in a palisade cell that is not present in this liver cell?A cell membraneB chloroplastC cytop...

2012 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which diagram shows a plant cell? [Image_1: A - Neuron, B - Plant Cell, C - Sperm Cell, D - White Blood Cell]

2012 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which statement about cells or tissues, is correct? A Cells in the respiratory tract are long and thin. B Muscle cells are biconcave. C Red blood c...

2012 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Why do some root cells have root hairs?A for the maintenance of the temperature of the cell sapB to increase the surface area of the cellsC to increas...

2012 Summer

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

Which structures must be present in a cell for osmosis to take place?A. cell (sap) vacuole and cell wallB. cell wall and cell membraneC. chloroplast a...

2012 Summer