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

CH13 - EXCRETION IN HUMANS

Which process removes the waste products of metabolism from the body? A. excretion B. nutrition C. reproduction D. respiration

2009 Summer

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

According to the binomial system, how should a human be named?A \, \textit{Homo Sapiens}B \, \textit{Homo sapiens}C \, \textit{homo Sapiens}D \, \text...

2009 Summer

1

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which leaf comes from a monocotyledonous plant?[Image_1: A, B, C, D are images of different leaf types]

2009 Summer

1

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a palisade cell from a leaf. Which labelled structure produces oxygen?

2009 Summer

1

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which structure contains genes? A. the cell membrane of an animal cell B. the cytoplasm of an animal cell C. the nucleus of a plant cell D. the vacuol...

2009 Summer

1

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a cross section through two guard cells of a leaf. Which labelled structures would also be found in an animal cell? A W and X B ...

2009 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows some cells from the lining of the trachea (windpipe) in the respiratory tract.What is the function of the structures labelled X?A ab...

2009 Summer

1

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which structures contain a cell nucleus?[Table: | | red blood cell | root hair cell | xylem vessel ||--------|----------------|----------------...

2009 Summer

2

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

Which diagram shows the appearance of a plant cell several minutes after it has been placed in a concentrated solution of sugar?

2009 Summer

1

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

The dots represent molecules of a gas in four tubes at the beginning of an experiment.In which tube will more molecules move from X to Y than in the o...

2009 Summer

1