Uploaded by Tom Gordon

worksheet-1

advertisement
Questions
Q1.
All living organisms have certain characteristics.
(a) Describe what is meant by the following characteristics:
(i) respiration
(2)
.............................................................................................................................................
.............................................................................................................................................
.............................................................................................................................................
.............................................................................................................................................
(ii) control of their internal conditions
(2)
.............................................................................................................................................
.............................................................................................................................................
.............................................................................................................................................
.............................................................................................................................................
(b) Organisms are organised into different levels.
What is the correct order of the levels?
(1)
A
B
C
D
organ, system, tissue, cell, organelle
organ, tissue, cell, system, organelle
organelle, cell, tissue, organ, system
system, cell, organelle, organ, tissue
(c) Yeast is an example of which group of organism?
(1)
A
B
C
D
animals
bacteria
fungi
protoctists
(Total for question = 6 marks)
Q2.
Answer the questions with a cross in the boxes you think are correct . If you change your mind
about an answer, put a line through the box
and then mark your new answer with a cross .
Plant cells contain organelles.
The diagram shows a plant cell containing some organelles.
(a) (i) What is the total number of organelles shown in the diagram that absorb light?
(1)
A
B
C
D
1
6
11
12
(ii) Name an organelle not shown in the diagram that makes ATP.
(1)
.............................................................................................................................................
(b) The magnification of the cell is calculated using this formula.
The actual width of the cell is 40 μm.
The magnification of the plant cell is
(1)
A
B
C
D
×0.06
×0.6
×6
×600
(c) (i) Name an organelle found in a plant cell but not found in an animal cell.
(1)
.............................................................................................................................................
(ii) The location of the genetic material in a bacterium is different from the
location of the genetic material in a plant cell.
Give a location in a bacterium where genetic material is found.
(1)
.............................................................................................................................................
(Total for question = 5 marks)
Q3.
(a) The diagram shows a plant cell.
(i) Which part of this cell contains chlorophyll?
(1)
A
B
C
D
P
Q
R
S
(ii) Which of these is found in chlorophyll?
(1)
A
B
C
D
calcium
iron
magnesium
water
(iii) Describe the role of chlorophyll.
(2)
.............................................................................................................................................
.............................................................................................................................................
.............................................................................................................................................
.............................................................................................................................................
(b) Which of these is an example of positive phototropism?
(1)
A
B
C
D
a plant root growing away from light
a plant root growing downwards due to gravity
a plant stem growing towards light
a plant stem growing upwards due to gravity
(c) The table lists the roles of some substances found in living organisms.
Complete the table by naming each substance.
The first one has been done for you.
(3)
(Total for question = 8 marks)
Mark Scheme
Q1.
Q2.
Q3.
Download