Theory

CH6 - PLANT NUTRITION

Fig. 6.1 shows four test-tubes that were set up and left for six hours at a constant warm temperature. Fig. 6.2Hydrogencarbonate indicator (bicarbonat...

2009 Summer

2

Theory

CH6 - PLANT NUTRITION

(a) Fig. 3.1 shows variegated (green and white) leaves on a destarched plant. Part of one of the leaves was covered.(i) The plant was left in bright l...

2012 Summer

2

Theory

CH6 - PLANT NUTRITION

(a) Fig. 3.1 shows variegated (green and white) leaves on a destarched plant. Part of one of the leaves was covered.[Image_1: Fig. 3.1 showing variega...

2012 Summer

2

Theory

CH6 - PLANT NUTRITION

Fig. 7.1 shows a photograph of a section through a leaf. (a) (i) Explain the functions of the cuticle of a leaf..........................................

2011 Summer

2

Theory

CH6 - PLANT NUTRITION

(a) On Fig. 4.1, label a stoma, the cuticle and a vascular bundle. Use label lines and the words 'stoma', 'cuticle' and 'vascular bundle' on Fig. 4.1....

2010 Winter

1

Theory

CH6 - PLANT NUTRITION

(a) Humans need a supply of mineral salts, such as calcium and iron, in their diet. (i) State a role of calcium ions in the human body. .................

2010 Summer

2

Theory

CH6 - PLANT NUTRITION

(a) Define the term photosynthesis.......................................................................................................................

2013 Winter

1

Theory

CH6 - PLANT NUTRITION

(a) (i) Name the process, used by plants, that removes carbon dioxide from the air.[1](ii) State the time of day by which the pepper plants had remove...

2013 Winter

2

Theory

CH6 - PLANT NUTRITION

Fig. 7.1 shows a method of growing tomato plants without soil. The plants are supported above a tank of mineral solution aerated by an air pump.Minera...

2014 Summer

2

Theory

CH6 - PLANT NUTRITION

Fig. 5.1 shows a diagram of a cross-section of a leaf.[Image_1: Diagram of a cross-section of a leaf](a) (i) Identify the parts labelled on Fig. 5.1 a...

2017 Winter

2

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

6

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

6

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

1

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

1

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

2

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

3

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

2

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

3

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

2

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

2