Theory

CH8 - TRANSPORT IN PLANTS

The diagram shows a cross-section through a plant stem. Q shows the part that is stained red when the stem is placed in water containing a red dye.Wha...

2012 Winter

1

Theory

CH8 - TRANSPORT IN PLANTS

What could increase the rate of water uptake by a shoot? A. covering the shoot with a black plastic bag B. covering the shoot with a clear plastic b...

2012 Winter

1

Theory

CH8 - TRANSPORT IN PLANTS

In which order does water pass through these structures in a plant?A mesophyll → root hair → xylemB mesophyll → xylem → root hairC root hair �...

2011 Summer

3

Theory

CH8 - TRANSPORT IN PLANTS

Which pair of substances is transported in the phloem?A amino acids and proteinB amino acids and sucroseC protein and starchD starch and sucrose

2011 Summer

2

Theory

CH8 - TRANSPORT IN PLANTS

Cobalt chloride paper is blue when dry but turns pink when wet. Some blue cobalt chloride paper was fastened to the upper and lower surfaces of a leaf...

2009 Summer

1

Theory

CH8 - TRANSPORT IN PLANTS

The diagrams show stages in the passage of water through a plant.The circles are the starting points for arrows to show the direction in which the wat...

2009 Summer

2

Theory

CH8 - TRANSPORT IN PLANTS

Translocation occurs in phloem tubes. Aphids feed on the contents of phloem tubesWhat type of food would be lacking in their diet?A. amino acidB. fatC...

2009 Summer

1

Theory

CH8 - TRANSPORT IN PLANTS

The diagram shows how water is lost from a leaf. [Image_1: Diagram of a leaf with arrows indicating water vapour] By which process is the water lost?...

2012 Winter

2

Theory

CH8 - TRANSPORT IN PLANTS

The sweet potato plant, extit{Ipomoea batatas}, has fibrous roots and storage roots. Fibrous roots absorb water and ions from the soil. Storage roots...

2011 Winter

1

Theory

CH8 - TRANSPORT IN PLANTS

The diagram shows the stem of a plant. A strip of the outer tissue including the phloem has been removed.How is transport in the plant affected?A Amin...

2010 Summer

1

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which organisms carry out respiration, growth, movement and excretion?

2018 Summer

1

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an animal whose scientific name is _Falco peregrinus_. To which species does it belong?

2018 Summer

1

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

What kind of skin do amphibians have?

2018 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows a flowering plant.Use the key to identify the plant.

2018 Summer

1

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

In which part of the cell does aerobic respiration occur?

2018 Summer

1

MCQ

CH8 - TRANSPORT IN PLANTS

Why do some root cells have root hairs?

2018 Summer

2

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

Which words correctly complete the paragraph? Diffusion may be defined as the net movement of particles from a region of their ......1...... concentr...

2018 Summer

2

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

Which part of a plant root hair is partially permeable?

2018 Summer

2

MCQ

CH4 - BIOLOGICAL MOLECULES

The table shows the results of food tests carried out on a fruit.[Table_1]What did the fruit contain?

2018 Summer

1

MCQ

CH5 - ENZYMES

An experiment was carried out to investigate the effect of pH on enzyme action. The graph shows the results. What are the labels for the x-axis and...

2018 Summer

2