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

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which characteristic do all living organisms show?

2017 Summer

1

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows some animal cells, as seen under the microscope. What will be present at X?

2017 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Each of the diagrams shows an area of cytoplasm.Which is from a prokaryote?

2017 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a section through a root.What are the levels of organisation of the labelled structures?

2017 Summer

2

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

Which characteristics are correct for both osmosis and diffusion? [Table_1]

2017 Summer

2

MCQ

CH20 - BIOTECHNOLOGY AND GENETIC ENGINEERING

Which diagram shows the structure of DNA?

2017 Summer

2

MCQ

CH5 - ENZYMES

The graph shows how enzyme activity is affected by temperature. How can the change in activity between 40°C and 55°C be explained?

2017 Summer

3

MCQ

CH12 - RESPIRATION

Four test-tubes are set up as shown. Which test-tube contains the most carbon dioxide after one hour?

2017 Summer

3

MCQ

CH12 - RESPIRATION

The graph shows daily carbon dioxide uptake and transpiration by the plant *Agave americana*. The plant is adapted to live in very dry conditions. ...

2017 Summer

3

MCQ

CH6 - PLANT NUTRITION

In plants, which ions are used to make amino acids?

2017 Summer

2