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

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Some yeast, sugar, and water are mixed in a test-tube. The diagrams show the test-tube at the start and after one hour. Which process causes this chan...

2016 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which name is given to a group of individuals that can reproduce to produce fertile offspring?

2016 Summer

3

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Use the key to identify the animal shown in the diagram.

2016 Summer

3

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which row matches the cell membrane and cell wall of a palisade cell to their functions? [Table_1]

2016 Summer

7

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

In a plant, what is formed by a group of xylem vessels?

2016 Summer

3

MCQ

CH8 - TRANSPORT IN PLANTS

What are the functions of xylem vessels?[Table_1] showing the functions: absorption, conduction, photosynthesis, support with options A, B, C, D.

2016 Summer

3

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

Active transport is the movement of

2016 Summer

4

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

The diagram shows an experiment to demonstrate the movement of molecules. After one hour, the water in the beaker turned red.What is the most likely r...

2016 Summer

3

MCQ

CH4 - BIOLOGICAL MOLECULES

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

2016 Summer

6

MCQ

CH5 - ENZYMES

Which graph shows the effect of temperature on the activity of an enzyme?

2016 Summer

5