MCQ

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 ...

2009 Summer

MCQ

CH17 - INHERITANCE

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

2009 Summer

MCQ

CH17 - INHERITANCE

What is a mutation?

2009 Summer

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

MCQ

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

MCQ

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

MCQ

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 varia...

2009 Winter

MCQ

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

MCQ

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

(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

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

(a) Fig. 1.1 shows six species of reptiles.[Image_1: Fig. 1.1](i) Use the key to identify each species. Write the letter of each species (A–F) in th...

2020 Spring

Theory

CH11 - GAS EXCHANGE IN HUMANS

(a) A class of students measured their breathing rates during different activities. Average breathing rates for the class were calculated. Student A c...

2020 Spring

Theory

CH17 - INHERITANCE

(a) The length of hair in cats is controlled by a single gene.• The allele for short hair is dominant – $H$• The allele for long hair is recessi...

2020 Spring

Theory

CH16 - REPRODUCTION

(a) A study estimated the percentage effectiveness of different types of birth control. Table 4.1 shows examples of four different categories of birth...

2020 Spring

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

(a) Fig. 5.1 is a photograph of a giant panda. State the name of the vertebrate group that giant pandas belong to. ...................................

2020 Spring

Theory

CH8 - TRANSPORT IN PLANTS

(a) Complete the definition of the term transpiration. Transpiration is the loss of water vapour from plant leaves by ...................................

2020 Spring

Theory

CH7 - HUMAN NUTRITION

(a) Fig. 7.1 is a diagram of the alimentary canal and associated organs. The boxes on the left show the letters on Fig. 7.1.The boxes in the middle sh...

2020 Spring

Theory

CH21 - HUMAN INFLUENCES ON ECOSYSTEMS

(a) The box on the left contains the phrase ‘intensive livestock farming’.The boxes on the right contain some sentence endings.Draw two lines from...

2020 Spring

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows what happened in an experiment with plant seedlings. Which characteristic of living things made the seedlings grow towards the lig...

2020 Summer

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

A rat has the scientific name Rattus rattus.What do the two parts of this name refer to?

2020 Summer