Theory

CH17 - INHERITANCE

In rabbits, the allele for dark fur, R, is dominant to the allele for white fur, r.The diagram shows a cross between a rabbit with dark fur and a rabb...

2011 Summer

3

Theory

CH17 - INHERITANCE

What is always found in female gametes and may be found in male gametes?A. one X chromosomeB. one Y chromosomeC. two X chromosomesD. one X chromosome ...

2011 Summer

2

Theory

CH17 - INHERITANCE

Haemoglobin is a large protein molecule. The structure of each haemoglobin molecule is controlled by a gene that has two alleles:• $Hb^A$ codes for ...

2011 Winter

1

Theory

CH17 - INHERITANCE

How does a haploid nucleus differ from a diploid nucleus of the same species? A It has different genes. B It has fewer chromosomes. C It has more a...

2012 Winter

1

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

2

Theory

CH17 - INHERITANCE

A pure-breeding white mouse was crossed with a pure-breeding black mouse. All their offspring were black.Then, one of the offspring was bred with a pu...

2012 Winter

1

Theory

CH17 - INHERITANCE

In some animals, B is the allele for normal skin (without spots) and b is the allele for spotted skin.A pair of these animals has 37 offspring, 18 wit...

2010 Winter

1

Theory

CH17 - INHERITANCE

Which type of reproduction and which type of cell division produces nuclei with half the number of chromosomes?[Table_1]type of reproductiontype of ce...

2010 Winter

2

Theory

CH17 - INHERITANCE

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

2009 Summer

2

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

1

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

2

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

1

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

1

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

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

2009 Summer

1

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

1

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

2

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

1

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

2

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

1

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

1