In which situation will water enter a root hair cell?

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

Which sentence is wrong?

gibberellins used in rooting powder

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Biology GCSE SB6 Plant Structure and Function

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SB6 Plant Structure and Function

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Questions 13

Answers

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

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