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

Theory

CH13 - EXCRETION IN HUMANS

Which process removes the waste products of metabolism from the body? A. excretion B. nutrition C. reproduction D. respiration

2009 Summer

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

According to the binomial system, how should a human be named?A \, \textit{Homo Sapiens}B \, \textit{Homo sapiens}C \, \textit{homo Sapiens}D \, \text...

2009 Summer

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which leaf comes from a monocotyledonous plant?[Image_1: A, B, C, D are images of different leaf types]

2009 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a palisade cell from a leaf. Which labelled structure produces oxygen?

2009 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which structure contains genes? A. the cell membrane of an animal cell B. the cytoplasm of an animal cell C. the nucleus of a plant cell D. the vacuol...

2009 Summer

Theory

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? A W and X B ...

2009 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows some cells from the lining of the trachea (windpipe) in the respiratory tract.What is the function of the structures labelled X?A ab...

2009 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which structures contain a cell nucleus?[Table: | | red blood cell | root hair cell | xylem vessel ||--------|----------------|----------------...

2009 Summer

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

Which diagram shows the appearance of a plant cell several minutes after it has been placed in a concentrated solution of sugar?

2009 Summer

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

The dots represent molecules of a gas in four tubes at the beginning of an experiment.In which tube will more molecules move from X to Y than in the o...

2009 Summer