g 10 bio-paper 6 final
TRANSCRIPT
5090/62/M/2012 Page 1 of 6
GA ATOLL SCHOOL G.A. KOLAMAAFUSHI REPUBLIC OF MALDIVES
UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education
REVISION TEST 2,2012
BIOLOGY 5090/62 Paper 6 Alternative to Practical 22ND ,MAY, 2012
1 hour
Candidates answer on the Question paper. No Additional Materials are required.
INSTRUCTIONS TO CANDIDATES
Write your name, centre number and candidate number in the space at the top of this page. Answer all questions.
Write your answers in the spaces provided on the Question paper. Use a sharp pencil for your drawings. Colored pencils or crayons should not be used. INFORMATION FOR CANDIDATES
The number of marks is given in brackets [ ] at the end of each question or part question.
For Examiner’s Use
1
2
3
4
Total
CENTRE
NUMBER
CANDIDATE
NAME
CANDIDATE
NUMBER
This document consists of 6 printed pages
[Turn over
5090/62/M/2012 Page 2 of 6
1) Fig. 1.1 is a photograph of part of the outer layer of a leaf
(a) Identify the structures labelledA and B.
A ................................................................
B ................................................................ [2]
Substances that are used, or produced, inside the leaf pass through B.
(b) (i) Name one of these substances that passes into the leaf in daylight.
......................................................................................................................................[1]
(ii) Name two substances that pass out of the leaf in daylight.
1. ......................................................... 2. ..................................................................... [1]
(iii) Suggest why there would be no movement in or out in darkness.
..............................................................................................................................................
................................................................................................. ............................................ .[1]
(iv) Outline an experiment to demonstrate that one of the two substances that you
havenamed in section (b)(ii) passes out of a leaf.
................................................................................................................................................
...............................................................................................................................................
................................................................................................................................................
........................................................................................................................................... [3]
[Total: 8]
5090/62/M/2012 Page 3 of 6
2)Fig. 2.1 is a photomicrograph of an animal tissue.
(a) (i) Name the tissue shown in Fig. 2.1
A. ……………………………………………….
B. ………………………………………………. [2]
(ii) Using label lines and clearly written labels identify four components of this tissue
that are shown in Fig. 2.1. [3]
…………………………………………………..
…………………………………………………..
…………………………………………………..
…………………………………………………..
[Total: 5]
Fig. 2.1
5090/62/M/2012 Page 4 of 6
3) Fig. 3.1 is a photograph of a section through a mammalian eye.
(a) Name the structures labelledA, B, C and D.
A = ..............................
B = ..............................
C = ..............................
D = .............................. [4]
(b) Describe how two of the structures shown in Fig. 3.1 would change shape during the
normal working of the eye.
1. .......................................................................................................................... ...........
.........................................................................................................................................
.........................................................................................................................................
2. .......................................................................................................................... ...........
................................................................................................... ......................................
..................................................................................................................................... [6]
(c) Make on Fig. 3.1 two small, but clear crosses, to show where the blind spot and the
foveaare situated.
The cross for the blind spot should be labelledY.
The cross for the fovea should be labelledZ. [3]
[Total: 13]
Fig. 3.1
5090/62/M/2012 Page 5 of 6
4)Fig.4.1 belowshows a yeast cell reproducing asexually.
i) Make a labelled drawing of the yeast cell. [3]
(ii) Name the species micro organisms used in bread production.
………………………………………………………………………………..………………….… [1]
(iii) Out line role of bacteria in cheese production.
…………………..………………………………………………………………………..……………
……………..…………………………………………………………………………………………
………….………………………………………………………………………………………..……
………………………………………………………………………………………………………… [3]
(iv) Write the uses of bacteria and fungi
………………………………………………………………………………..……………………………
………………………………………………………………………………………..……………………
……………………………………………………………………………………….……………………
………………………………………………………..……………………………………………………
………………………………………………………………..……………………………………………
……………………………………………………………………………………………………………
………………………..……………………………………………………………………………………
………………………………..……………………………………………………………………………
…………………………….....…………………………………………………………………………..
……………………………………………………………………………………………………………
………..……………………………………………………………………………………………………
…… .……………………………………………………………………………..………………………
Fig. 4.1
5090/62/M/2012 Page 6 of 6
……………………………………………………………………………………………..………………
……………………………………………………………………………………………………..………
……………………………………………………………………………………………………………..
………………………………………………………………………………………………………… ….
……………………………………………………………………………..………………………………
……………………………………………………………………………………..………………………
………………………………………………………………………………….…………………………
…………………………………………………..…………………………………………………………
…………………………………………………………..…………………………………………………
……………………………………………………….....…………………………………………………
………………….……………………………………………………………………………..…………
…………………………………………………………………………………………………………..…
……………………………………………………………………………………………………............
…………………………………………………………………………………………………….………
…………….………………………………………………………………………………………… [7]
[Total: 14]