Theory

CH6 - PLANT NUTRITION

Some plants digest insects and use the nutrients for growth. What must these plants produce to digest the insects?A acidsB alkalisC enzymesD hormo...

2012 Winter

4

Theory

CH6 - PLANT NUTRITION

(a) Write a balanced equation for photosynthesis using symbols. .........................................................................................

2011 Summer

1

Theory

CH6 - PLANT NUTRITION

Which cell type contains the most chloroplasts? A. palisade mesophyll B. phloem C. spongy mesophyll D. xylem

2009 Summer

2

Theory

CH6 - PLANT NUTRITION

What is formed first in a leaf as a result of photosynthesis?A. celluloseB. proteinC. starchD. sugar

2011 Summer

1

Theory

CH6 - PLANT NUTRITION

A student measured the uptake and release of carbon dioxide from a plant during 24 hours. It was a very bright, sunny day between sunrise and sunset.F...

2010 Summer

2

Theory

CH6 - PLANT NUTRITION

(a) *H. orientalis* is a dicotyledonous plant. State three features visible in Fig. 6.1 that show it is a dicotyledonous plant. 1. ....................

2011 Summer

1

Theory

CH6 - PLANT NUTRITION

The roots of plants take up nitrates from the soil. What are the nitrates used to make?A fatB glucoseC proteinD starch

2011 Winter

2

Theory

CH6 - PLANT NUTRITION

The diagram shows a section through a leaf.Which cell type absorbs the most carbon dioxide during the day?

2009 Winter

1

Theory

CH6 - PLANT NUTRITION

Which element is found in a molecule of chlorophyll? A calcium B iron C lead D magnesium

2009 Winter

2

Theory

CH6 - PLANT NUTRITION

The diagram shows a cell with groups of bacteria around its edge.The bacteria move to areas of high oxygen concentration.Which process in the cell cau...

2012 Summer

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

What is defined as the chemical reactions that break down food molecules in cells to release energy?A excretionB movementC nutritionD respiration

2010 Summer

1

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an arthropod animal. Which features are characteristic of all arthropods?A. jointed legs and segmented bodyB. jointed legs and thora...

2010 Summer

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows a section through a flower.Using the key, identify this flower.1. sepals present .................................................. ...

2010 Summer

3

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which row shows the most likely number of chloroplasts in three types of cell in a leaf?[Table_1]

2010 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows some liver cells as they appear under the microscope. How many cell walls can be seen?A 0 B 2 C 3 D 5

2010 Summer

1

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which row shows the structures present in plant and animal cells?[Table_1: | | cell wall | cytoplasm | nucleus | cell membrane ||--------|-----...

2010 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which structure is at a different level of organisation from the other three?A) kidneyB) liverC) neuroneD) testis

2010 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which diagram shows one organ only?[Image_1 with diagrams labeled A, B, C, D]

2010 Summer

2

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

On a dry, sunny day, how does water vapour move through the stomata of a leaf?A. into the leaf by diffusionB. into the leaf by osmosisC. out of the le...

2010 Summer

1

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

The diagram shows an experiment using a potato.Which shows the result of the experiment after 24 hours?ABCD

2010 Summer

1