In which situation will water enter a root hair cell?

if the conc. of solutes is lower in soil than in the cell, if the conc. of water is higher in the soil than in the cell

Which sentence is wrong?

gibberellins used in rooting powder

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Duplicate of Biology GCSE SB6 Plant Structure and Function

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SB6 Plant Structure and Function

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Questions 13

Answers

1
What are the cells that surround stomata?
guard cells
upper epidermal cells
stem cells
palisade cells
2
In which situation would a shoot grow upwards if the light came from one side?
if a jelly block was put under the cut shoot tip
if the base was covered in foil
if the tip was cut off
if the tip was covered in foil
3
In which situation will water enter a root hair cell?
if the conc. of solutes is lower in soil than in the cell
if the conc. of solutes is lower in the cell than the soil
if conc. of water is higher in the cell than the soil
if the conc. of water is higher in the soil than in the cell
4
How does water enter a root hair cell?
osmosis
carrier proteins
movement
active transport
5
What are the products of photosynthesis?
glucose and carbon dioxide
glucose and oxygen
water and carbon dioxide
water and oxygen
6
What is it called when roots grow towards water?
positive hydrotropism
negative watertropism
negative hydrotropism
positive watertropism
7
What do you call plants that lose their leaves in autumn / winter?
deciduous
coniferous
8
What is the limiting factor at y?
water
light intensity
concentration of carbon dioxide
temperature
9
What is the limiting factor at x?
concentration of carbon dioxide
light intensity
water
temperature
10
Which sentence is wrong?
gibberellins used to trigger germination
auxins used in selective weedkiller
Ethene speeds up fruit ripening
gibberellins used in rooting powder
11
What piece of equipment is used to measure water loss by transpiration>
potmeter
potatometer
potometer
patometer
12
In which cells does most photosynthesis take place?
root hair cells
guard cells
chloroplasts
palisade cells
13
What kind of reaction is photosynthesis?
endothermic reaction
exothermic reaction

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