Theory

CH17 - INHERITANCE

Polydactyly is a condition in which people have more than ten fingers or ten toes. Fig. 8.1 shows the inheritance of polydactyly in three generations ...

2010 Winter

1

Theory

CH17 - INHERITANCE

Fig. 8.1 shows the male reproductive system.(a) Using a label line and the letters given, label on Fig. 8.1,(i) G where gametes are formed, [1](ii) S ...

2009 Summer

3

Theory

CH17 - INHERITANCE

(a) In Drosophila, the fruit fly, wing length is controlled by a single gene.Wing length can be long or short. A long winged male fruit fly was crosse...

2009 Winter

1

Theory

CH17 - INHERITANCE

Complete the sentences by writing the most appropriate word in each space. Use only words from the box.[Table_1: Box containing words]In animals, new ...

2012 Winter

1

Theory

CH17 - INHERITANCE

(a) The nuclei of cells divide by two different processes, mitosis and meiosis.(i) Name one organ in humans where meiosis takes place....................

2011 Summer

3

Theory

CH17 - INHERITANCE

Fig. 6.1 shows a human fetus developing inside a uterus.(a) (i) Name the structures labelled S and T.S ..................................................

2012 Winter

2

Theory

CH17 - INHERITANCE

Flowers from three red-flowered plants, A, B and C, of the same species were self-pollinated.(a) Explain what is meant by the term pollination.(b) See...

2011 Winter

3

Theory

CH17 - INHERITANCE

Fig. 6.1 shows a human fetus developing inside a uterus.(a) (i) Name the structures labelled S and T. S .................................................

2012 Winter

2

Theory

CH17 - INHERITANCE

(a) Two types of variation, continuous and discontinuous, occur in living organisms.Complete Table 5.1 about the two types of variation.Table 5.1| ...

2011 Summer

2

Theory

CH17 - INHERITANCE

Thalassaemia is an inherited condition in which the haemoglobin does not work properly.People who have thalassaemia have inherited an allele that caus...

2011 Winter

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

What is defined as the chemical reactions that break down food molecules in cells to release energy?

2010 Summer

1

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an arthropod animal. Which features are characteristic of all arthropods?

2010 Summer

3

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows a section through a flower. Using the key, identify this flower.1. sepals present ........................................... go to ...

2010 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which row shows the most likely number of chloroplasts in three types of cell in a leaf? [Table_1]

2010 Summer

1

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows some liver cells as they appear under the microscope. How many cell walls can be seen?

2010 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which row shows the structures present in plant and animal cells? [Table_1]

2010 Summer

1

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which structure is at a different level of organisation from the other three?

2010 Summer

1

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which diagram shows one organ only?

2010 Summer

2

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

On a dry, sunny day, how does water vapour move through the stomata of a leaf?

2010 Summer

2

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

The diagram shows an experiment using a potato.Which shows the result of the experiment after 24 hours?

2010 Summer

2