Paper 2 styled questions
Presentation
•
Science
•
11th Grade
•
Easy
Nathalie Fremont
Used 2+ times
FREE Resource
1 Slide • 6 Questions
1
2
Open Ended
•Table 1: Average Surface Salinity and Temperature at Various Latitudes
•(a) Describe the trend in temperature and salinity with latitude. [2]
(b) Suggest two reasons for the salinity at 20°N being higher than at the equator. [2
3
Open Ended
•You are investigating the effect of temperature on the rate of photosynthesis in seagrass.
•(a) State a suitable hypothesis for this investigation. [1]
(b) Describe how you would measure the rate of photosynthesis in this experiment. [2]
(c) Identify two variables that must be controlled. [2]
4
Open Ended
•Table 2: Dissolved Oxygen (DO) in a Rock Pool Over 24 Hours
•(a) Describe the pattern of oxygen concentration over the 24-hour period. [2]
(b) Suggest an explanation for the decrease in oxygen levels during the night. [2]
(c) Identify two biotic factors that could influence the oxygen levels in the rock pool. [2]
5
Open Ended
Briefly explain the following :
where does photosynthesis occurs in this kelp plant?
what is the purpose of the pneumatocysts ?
explain the purpose of the holdfast.
6
Open Ended
explain the purpose of :
the lateral line
gills
caudal fin
7
Open Ended
starfish belongs to which phylum?
what do they use to move through water?
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