Theory

CH17 - INHERITANCE

The diagram shows a maize (corn) cob with purple and yellow fruits. Purple (P) is dominant to yellow (p). What are the genotypes of the parent maize p...

2009 Summer

Theory

CH17 - INHERITANCE

What is true of the chromosomes present in the daughter nuclei after meiosis and after mitosis?[Table_1]

2009 Summer

Theory

CH17 - INHERITANCE

What is a mutation?A a change in a gene or chromosomeB a condition caused by a recessive alleleC a process used in genetic engineeringD a type of ...

2009 Summer

Theory

CH17 - INHERITANCE

(a) Define the term gene. ...............................................................................................................................

2009 Summer

Theory

CH17 - INHERITANCE

Albinism is an inherited condition in which pigment does not develop in the skin, hair and eyes. The albino allele is recessive. What are the chances ...

2009 Winter

Theory

CH17 - INHERITANCE

In cats, the allele for short hair is dominant to the allele for long hair.A short-haired cat and a long-haired cat had several families of offspring ...

2009 Winter

Theory

CH17 - INHERITANCE

A man who was blood group A and a woman who was blood group B had four children, each with a different blood group A, B, AB and O.Which type of variat...

2009 Winter

Theory

CH17 - INHERITANCE

In cats, the allele for short hair is dominant to the allele for long hair.A short-haired cat and a long-haired cat had several families of offspring ...

2009 Winter

Theory

CH17 - INHERITANCE

Albinism is an inherited condition in which pigment does not develop in the skin, hair and eyes.The albino allele is recessive.What are the chances of...

2009 Winter

Theory

CH17 - INHERITANCE

(a) Four definitions of terms used in genetics are shown in Table 5.1.Table 5.1[Table_1]For each of the definitions, select an appropriate term from t...

2009 Winter

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows a leaf on a plant.Which characteristic of life is represented by this diagram?

2019 Summer

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows how _Homo sapiens_ (modern people) could have evolved from earlier ancestors.Which statement about modern people and their ancestors...

2019 Summer

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The photomicrograph shows part of an animal cell.What is the structure labelled X?

2019 Summer

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which features are possessed by all plant cells? [Table_1]

2019 Summer

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows part of the skin. What is the correct level of organisation for the skin?

2019 Summer

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

The diagram shows a test-tube containing clear jelly. A drop of blue ink is injected into the middle of the jelly.The blue colour of the ink spreads t...

2019 Summer

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

The apparatus shown was set up. Some hours later, the water in the beaker had turned blue, and the liquid in the glass tube had moved upwards.Which pr...

2019 Summer

MCQ

CH4 - BIOLOGICAL MOLECULES

Four solutions were tested to see whether they contained protein, starch or glucose.The colours of the solutions after the tests are recorded in the t...

2019 Summer

MCQ

CH4 - BIOLOGICAL MOLECULES

Small molecules are used as the basic units in the synthesis of large food molecules. Which statement is correct?

2019 Summer

MCQ

CH5 - ENZYMES

The diagrams show a protease enzyme catalysing the breaking of part of a protein molecule into smaller pieces.Which diagram has three correct labels?

2019 Summer