Environmental Science Recap Questions 11.11

From: Subject: Environmental Science Recap Questions 11.11 Date: Thu, 11 Jun 2009 17:50:53 +0100 MIME-Version: 1.0 Content-Type: multipart/related; type="text/html"; boundary="----=_NextPart_000_00A0_01C9EABD.2A23FD50" X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_00A0_01C9EABD.2A23FD50 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Content-Location: http://uk.geocities.com/biodesk/envsci11_11.htm Environmental Science Recap Questions 11.11

Environmental Science

Warm-up questions

Env = 11-11

Allow yourself 15 minutes for these questions

"It is in mankind's interest to take an interest in the = environment"=20
Give four reasons justifying this statement.
Explain the difference between the term BIOME and the term = ECOSYSTEM=20
Give 3 examples of abiotic factors.=20
One theory links the global disappearance of dinosaurs to the = mighty=20 impact of a large asteroid into the earth's surface millions of years = ago.=20 How could this impact explain the extinction of such a = successful range=20 of species?=20
Define the term 'community'=20
What is meant by the term 'autotrophic nutrition'?=20
Explain fully how you would use paper chromatography to detect the = presence of plant pigments.=20
Explain how you would calculate r-values from data obtained = during=20 chromatographic analysis of leaf pigments.=20
How would you then use the r-values to identify the = pigments=20 present in your leaf sample?=20
What do the terms 'action spectrum' and 'absorption spectrum'=20 mean?

Environmental Science

Warm-up questions

Env = 11-12

Allow yourself 10 minutes

What is a population?=20
Explain why a leaf is green in terms of its absorption spectrum.=20
Give a word equation for the process of photosynthesis.=20
Why is this word equation an over simplification?=20
What is 'photolysis'?=20
What happens to the products of photolysis?=20
How would you test the hypothesis that photolysis is more rapid = when light=20 levels are high? You can use only standard laboratory equipment=20
What are 'limiting factors'?=20
What might the limiting factors be on a hot sunny day? Give TWO = possible=20 factors.=20
Name the organelles inside plant cells which contain = chlorophyll.

Environmental Science

Warm-up questions

Env = 11-13

How can autotrophic nutrition occur occur deep within the = earth(i.e. away=20 from all sunlight?)=20
Explain how the structure and arrangement of the leaf helps to = promote=20 photosynthesis.=20
What happens in the light independent reaction of photosynthesis?=20
The light dependent reaction only takes place in daytime = conditions of=20 high solar energy. The light independent reaction only takes place = during the=20 night. In what ways are these statements correct and incorrect?=20
Why do greenhouse growers often use propane gas cylinders to heat=20 greenhouses, rather than electricity?=20
What is 'Primary Production'?=20
What do the letters GPP stand for?=20
What do chemosynthetic bacteria do?=20
What does the following equation mean? GPP-R=3DNPP=20
"Tropical Rain Forests are the lungs of the planet". What do = people mean=20 by this phrase? Why is this phrase misleading?

Back to A = level=20 index=20

3D1=20

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