Curriculum
Course: Alhussan Biology — Stage 9
Login

Curriculum

Alhussan Biology — Stage 9

Chapter 9: Plants and Photosynthesis

0/26

Chapter 10: Excretion in Humans

0/17

Chapter 11: Human Genetics and Development

0/24

Chapter 12: The Carbon Cycle and Climate Change

0/15

Chapter 13: Variation and Natural Selection

0/21
Quiz

Biology 9.1 What do we know about plants? — Quiz

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 50
  • Passing grade: B+
Start Quiz
1.
Which term matches this definition? “Extension of a root cell that increases surface area.”
Glowing splint test
Root hair
Control variable
Water bath
2.
Which tissue in the stem carries water?
Palisade
Epidermis
Xylem
Phloem
3.
Which term matches this definition? “The mass of living material.”
Active transport
Transpiration stream
Stem
Biomass
4.
Leaves are 14 g of a plant's 40 g dry mass. What percentage is leaves?
65%
350%
35%
3%
5.
Dry mass of a growing bean plant. Calculate the percentage change in "Dry mass (g)" from 0 to 5.
Dr Dabour Hub Academy - figure 1
−1000%
1000%
91%
1100%
6.
Dry mass of each organ of a plant. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 2
A
B
C
D
7.
Which term matches this definition? “Organ that anchors the plant and absorbs water and minerals.”
Root
Ring barking
Glucose
Waxy cuticle
8.
Root hairs per mm of root at different distances from the tip. At what value of "Distance from tip (mm)" is "Root hairs per mm" smallest?
Dr Dabour Hub Academy - figure 3
8
0
10
4
9.
A plant grew 14 g in 4 weeks. What was the mean growth per week?
10.0 g
3.5 g
56.0 g
0.3 g
10.
Which is the correct definition of “Root hair”?
Tissue carrying water and minerals up the plant.
The amount of crop produced.
Water carrying fertiliser from fields into rivers.
Extension of a root cell that increases surface area.
11.
Dry mass of a growing bean plant. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 4
A
B
C
D
12.
A plant's dry mass rose from 10 g to 24 g. Calculate the percentage increase.
58%
140%
240%
14%
13.
World crop production (million tonnes). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 5
A
B
C
D
14.
World crop production (million tonnes). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 6
A
B
C
D
15.
Which statement is NOT correct?
Plants give materials for medicines, clothing, building and biofuels.
Leaves capture energy using chlorophyll.
The stem contains xylem and phloem.
Roots are the main organs of photosynthesis.
16.
A plant grew 14 g in 5 weeks. What was the mean growth per week?
0.4 g
2.8 g
9.0 g
70.0 g
17.
A plant grew 20 g in 4 weeks. What was the mean growth per week?
16.0 g
80.0 g
0.2 g
5.0 g
18.
Dry mass of a growing bean plant. Between which two values of "Week" did "Dry mass (g)" change the most?
Dr Dabour Hub Academy - figure 7
0 and 1
4 and 5
2 and 3
3 and 4
19.
Root hairs per mm of root at different distances from the tip. What is the value of "Root hairs per mm" when "Distance from tip (mm)" is 4?
Dr Dabour Hub Academy - figure 8
22
0
75
101
20.
Root hairs per mm of root at different distances from the tip. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 9
A
B
C
D
21.
World crop production (million tonnes). What is the value for Potato?
Dr Dabour Hub Academy - figure 10
999
1019
1404
498
22.
Leaves are 10 g of a plant's 30 g dry mass. What percentage is leaves?
67%
333%
33%
3%
23.
Which is the correct definition of “Root”?
The sugar carried in phloem.
Where sugars are used or stored.
A flammable liquid used to remove chlorophyll.
Organ that anchors the plant and absorbs water and minerals.
24.
Root hairs per mm of root at different distances from the tip. At what value of "Distance from tip (mm)" is "Root hairs per mm" smallest?
Dr Dabour Hub Academy - figure 11
6
8
2
0
25.
Which is the correct definition of “Producer”?
Mineral ion needed to make amino acids and proteins.
Extension of a root cell that increases surface area.
An organism that makes its own food.
Tissue carrying sugars around the plant.
26.
Dry mass of a growing bean plant. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 12
A
B
C
D
27.
Which statement is correct?
Plants are consumers.
Roots are the main organs of photosynthesis.
Phloem carries water up the stem.
Sugars are carried in the phloem.
28.
World crop production (million tonnes). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 13
A
B
C
D
29.
Which statement is correct?
Plants give us no medicines.
Roots are the main organs of photosynthesis.
Flowers later form fruits and seeds.
Plants take in carbon dioxide through their roots.
30.
A plant's dry mass rose from 8 g to 30 g. Calculate the percentage increase.
275%
22%
73%
375%
31.
World crop production (million tonnes). Which has the smallest value?
Dr Dabour Hub Academy - figure 14
Rice
Wheat
Potato
Maize
32.
Which organ is the main site of photosynthesis?
Leaf
Seed
Root
Flower
33.
Which statement is correct?
Plants give us no medicines.
Plants take in carbon dioxide through their roots.
The stem contains xylem and phloem.
Phloem carries water up the stem.
34.
Dry mass of a growing bean plant. At what value of "Week" is "Dry mass (g)" greatest?
Dr Dabour Hub Academy - figure 15
0
1
5
4
35.
Guard cells open and close the ____.
roots
stomata
xylem
flowers
36.
Plant cells have a cellulose cell wall and a large ____.
lung
skeleton
vacuole
nucleus only
37.
Biologists study plants to improve ____.
metals
weather
rocks
crops
38.
Flowers produce pollen and ____.
ovules
roots
spores
leaves
39.
Flowers are the organs of ____ reproduction.
respiratory
sexual
asexual
excretory
40.
Plants are part of the water ____.
tap
cycle
bill
table
41.
Plants are the ____ in food chains.
producers
predators
consumers
decomposers
42.
Flowers later form fruits and ____.
seeds
stems
thorns
roots
43.
Leaves capture energy using ____.
haemoglobin
chlorophyll
melanin
keratin
44.
Flowers appear only at certain times in the ____.
day
hour
life cycle
second
45.
True or false? Leaves capture energy using chlorophyll.
True
False
46.
True or false? Plants take carbon dioxide from the atmosphere.
True
False
47.
True or false? Plants are the producers in food chains.
True
False
48.
True or false? Plants are consumers.
True
False
49.
True or false? Leaves are thick and round to save water.
True
False
50.
True or false? The stem contains xylem and phloem.
True
False
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
Part of Chapter 9: Plants and Photosynthesis — see every lesson and quiz in this unit.
Accepted payment methods