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

6

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

3

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

4

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

3

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

2

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

3

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

2

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

5

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which characteristic is shown when a person smells a gas in the air?A excretionB movementC respirationD sensitivity

2011 Summer

6

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows four arthropods.[Image_1: Four illustrations labeled Pediculus ×20, Anopheles ×10, Dermacentor ×7, Carcinus ×0.5]How many of the...

2011 Summer

15

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

An organism has dry scales covering its body. To which vertebrate group does it belong? A: amphibian B: fish C: mammal D: reptile

2011 Summer

4

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an animal. Use the key to identify the animal.1 has legs .......................... go to 2 has no legs ...................... go ...

2011 Summer

3

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows four specialised cells.Which feature is not common to all of these cells?A. cell membraneB. cytoplasmC. diploid number of chromosome...

2011 Summer

11

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a plant cell.Which labelled structures are found in plant cells but not in animal cells?A P and QB Q and RC R and SD S and T

2011 Summer

8

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows another plant cell.Which feature shows that it is a palisade cell?A a large nucleusB a large vacuoleC a thick cell wallD many chloro...

2011 Summer

4

Theory

CH6 - PLANT NUTRITION

Which structures are adapted for supporting a plant?A. phloem tissuesB. root hair cellsC. stomataD. xylem vessels

2011 Summer

3

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which describes the structure and function of a red blood cell? [Table_1]

2011 Summer

2

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

Boiling potatoes destroys their cell membranes. A peeled, boiled potato strip is placed in a concentrated solution of salts.What takes place?[Table_1]...

2011 Summer

3