Plants take up water from the soil through their roots - AQA - GCSE Biology - Question 5 - 2010 - Paper 1
Question 5
Plants take up water from the soil through their roots.
Some of the water is used for photosynthesis.
Complete the word equation for photosynthesis.
Choose answer... show full transcript
Worked Solution & Example Answer:Plants take up water from the soil through their roots - AQA - GCSE Biology - Question 5 - 2010 - Paper 1
Step 1
Complete the word equation for photosynthesis.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
carbon dioxide + water → glucose + oxygen
Step 2
Complete the sentences.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Water moves from the roots to the leaves in the xylem.
Water is lost from leaves through pores called stomata.
Dissolved sugars are transported in the phloem.
Step 3
Calculate how many times greater the rate of transpiration of species A is than the rate of transpiration of species B.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Number of times greater (2 significant figures) = 1.2
Step 4
Which factor could cause species A to have a higher rate of transpiration than species B?
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Each leaf of species A has more stomata.
Step 5
Which environmental change would cause an increase in the rate of transpiration?
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Increased temperature
Step 6
Which plant species in Table 3 is most likely to live in a dry desert?
97%
121 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
C
Step 7
How will the sharp spines help the gorse plant survive?
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The spines stop the plant being eaten or prevent animals damaging the plant.
