Categories
Art and Design

ART AND DESIGN

Name _________________________________________________________Index No. ________________

                                                                                                            Candidate’s signature _______________

                                                                                                            Date ____________________________

449/1

D

PAPER 1

DRAWING

JULY / AUGUST

2 ½ HOURS

MATUNGULU DISTRICT FORM 4 MULTILATERAL EXAM

Kenya Certificate of Secondary Education

DRAWING AND DESIGN

PAPER 1

You should have the following for this examination.

  • Drawing instruments
  • 3 sheets of drawing paper size A3
  • Scale rule.

INSTRUCTIONS TO CANDIDATES

  • This paper consists of three sections A, B and C
  • Answer all the questions in section A and B and any two questions from section C.
  • Questions in sections B and C should be answered on the A3 drawing papers provided.
  • Questions in section A must be answered on the answer sheets provided.
  • All dimensions are in millimeters unless otherwise stated.

This paper consists of 8 printed pages

Turn Over

SECTION A ( 40 MARKS )

Answer all questions in this section.                                                                                      ( 3 marks )

1. Define the following properties of materials

            (i) Brittleness

            (ii) Malleability

            (iii) Ductility

2.  Sketch a convention for each of the following.                                                                 ( 2 marks )

            (i) Concrete

            (ii) Unplaned timber

            (iii) Switch

            (iv) Variable resistor

3.         (a) Measure and dimension                                                                                                     ( 2 marks )

                        Fig. 1

            (b) Construct a triangle XYZ whose length XY is 50mm, angle ZXY = 450 and

     angle YZX is 750.                                                                                                              ( 3 marks )

4. Give one reason for each of the following.                                                                                    ( 1 mark )

            (i) Storing drawing instruments away from the sun.

            (ii) Keeping drawing instruments dry.

5. Figure 2 shows two views of a block drawn in 1st angle projection.  Sketch the block.                ( 5 marks )

            (a) Isometric projection

            (b) One point perspective

            Fig. 2

2.

6.         Fig. 3 shows two views of a block drawn in first angle projection.  Sketch in good

proportion the oblique view of the block.                                                                               ( 4 marks )

Fig. 3

7.         Draw three outhographic views of fig. 4 in 1st angle projection.                                            ( 6 marks )

                        R1 0

3.

8.         (a) Construct an involute of an equilateral triangle whose side is 40mm.                              ( 4 marks )

            (b) Figure 5 shows views of a block drawn in third angle projection.  Redraw the

 figure (sketch) in isometric with X as the lowest point.                                            ( 4 marks )

                                    X   Fig. 5

9. Trisect angle A B C show all construction details.                                                                         ( 4 marks )

                           A

                           B                                                            C

10. Draw a circle and locate its centre show all construction details.                                                ( 2 marks

4.

SECTION B

This question is compulsory. 

Candidates are advised to spend not more than one hour on this question.

11.       Figure shows parts of  a stuffing box drawn in first angle projection.  Assemble the parts

and draw the following in first angle projection                                                       

            (a) A sectional front elevation on cutting plane A – A

            (b) Plan

                        Insert six leading dimensions.  Hidden details are not required                     (30 marks)

5.

SECTION C

Answer any two questions from this section.

12.       Figure show three views of a block drawn in first angle projection.  Draw full size

the block in isometric projection.  Show the hidden details.                                      ( 15 marks )

6.

13. The diagram shows a truncated square based pyramid.

            A   60  35   35  60

7.

            (a) Complete the plan

            (b) Show the true shape of the truncated area.

            (c ) Show the surface development of the truncated pyramid.                                  ( 15 marks )

14.       To a scale of 1 : 20 draw a section of an external wall from the foundation concrete to

the roof given the following data.

Substructure

Concrete foundation               600 x 200

            Walling                                    200mm block work

            Hardcore                                 300mm thick

            Oversite concrete                    100mm thick

            Floor screed                            25mm thick

Super structure ( timber frame )

100 x 50 timber sole and cill plates and lintel

Suitable timber external cladding

Plywood inner lining

Weathered timber cill

1m x 1m timber window

100 x 50 rafters, ceiling joints and wall plate

75 x 50 purlins

20mm thick ceiling boards

200 x 25 fascia boards

26 gauge GCI sheeting

                                                                                                                                                15 marks

8.

449/1

ART AND DESIGN

PAPER 1

DRAWING

JULY / AUGUST

MATUNGULU DISTRICT FORM 4 MULTILATERAL EXAM

Kenya Certificate of Secondary Education

ART AND DESIGN

MARKING SCHEME

SECTION A

1.         (i) Brittleness   – Undesirable property which makes a material to break when a force is

applied to it.

            (ii) Malleability – Ability of a material to be hammered or rolled without fracture.

            (iii) Ductility – Ability of metal to be drawn into fine wires or thin sections without fracture.

                                                                                                                        1 x 3 = 3 marks

2.         (i)                                                         (ii)                                            (iii)

                        Concrete                                  Unplaned timber                     Switch

                                                                                                                                    1 x 3 = 3 marks

3.         (a)     R24   36   450   40    4 x ½ = 2 marks

This paper consists of 7 printed pages

Turn Over

3.         (b)                                                                                                        Correct angles = 1 x 2 = 2 marks

                                                                                                                        Correct drawing = 1 mark

                                                                                                                                                = 3 marks

4.         (i) So that they are in a good state of repair

Prevents them from warping, bowing.

            (ii) So that they may retain their shape

                        Prevents them from rusting.                                                                1 x 2 = 2 marks

5.         (a)

                                                                                                            – Correct free hand sketch – 1

                                                                                                             Construction lines – 1

Neatness  ½

                        2 ½ marks

2.

5.         (b)        ½    SP   Ö ½   PP  VP   G.P

                                                                                                            Correct front – ½

                                                                                                            Correct perspective – ½

                                                                                                            SP – ½

                                                                                                            Construction lines – ½

                                                                                                                                                2 ½ mks

6.

                                                                                                            ( 4 marks )

                                                                                                            Line work – 1 ½

                                                                                                            Outline – 1 ½

                                                                                                            Neatness – 1

3.

7.         FRONT    END   PLAN

                                                                                                                                    Front = 2 marks

                                                                                                                                    Plan = 2 marks

                                                                                                                                    End = 2 marks

                                                                                                                                                6 marks

4.

8.  (a)

                                                                                                                                    Outlines – 1

                                                                                                                                    Correct involute – 2

                                                                                                                                    Neatness – 1

                                                                                                                                    Total 4 marks

5.

8.   (b)  X

                                                                                                                        Correct outline – line work – 3 ½

                                                                                                                        Tidy drawing – ½

                                                                                                                                                Total 4 marks

9.         A  B  C

                                                                                                                                    Line work – 3 ½

                                                                                                                                    Tidiness – ½

                                                                                                                                    Total – 4 marks

10.       O

                                                                                                                                    Correct linework – 1 ½

                                                                                                                                    Neatness – ½

                                                                                                                        Total    2 marks

6.

11.       SECTION A – A        PLAN

                                                                                                                        Front elevation

                                                                                                                        Correct section A A

                                                                                                                                                15 x 1 = 15

                                                                                                                        – Line work – 2

                                                                                                                        – Hatching lines – 2

                                                                                                                        – Section correct – 4

                                                                                                                        – Outlines  – 2

                                                                                                                        – Neatness – 1

                                                                                                                        – Dimensioning – 4

                                                                                                                        Plan

                                                                                                                        – Outlines – 2

                                                                                                                        – Correct plan  – 6

                                                                                                                        – Dimensions at least six – 6

                                                                                                                        – Neatness – 1

                                                                                                                                                15 marks

                                                                                                                        Total = 30 marks

12.

                                                                                                                                    Line work  – 4

                                                                                                                                    Outlines – 4

                                                                                                                                    Neatness – 1

                                                                                                                                    Construction of circular

features – 6

                                                                                                                                                15 mks

                                                                                    Correct drawing  = 15 marks

7.  8.

14.       Purlin   Rafter   Fascia board   Wall plate  Plywood   Timber stud   Cladding   Sole plate  Screed  GL  Ceilling joint  1   2   3             1. Screed        

Ply wood                                 2. Over site concrete

                                                3. Soil earth

Correct scale   – 2 marks

Superstructure detail   – 6 marks

Substructure details    – 6 marks

Neatness                      – 1 mark

                                                                                                                        Total    – 15 marks

7.

Categories
Art and Design biology chemistry CRE english FRENCH Geography GERMAN history maths Uncategorized WOODWORK

Bomet county Biology ppr 2 questions

Name…………………………………… ………………….Serial No:…………………………………….

School ……………………………………………………… Candidate’s Signature …………..………Date:………………………………………

231/2                                                                          

PAPER 2

BIOLOGY(THEORY)

JULY/AUGUST                                                                                          

TIME: 2 HOURS

(Kenya Certificate of Secondary Education (K.C.S.E.)

231/2                                                                          

PAPER 2

BIOLOGY (THEORY)

JULY/AUGUST                                                                                          

TIME: 2 HOURS

INSTRUCTIONS TO CANDIDATES

  • Write your name,Admissionnumber and name of School in the spaces provided above
  • Sign and write the date of examination in the spaces provided.
  • This paper consists of sections A and B answer all questions in section A
  • In section B answer question 6 compulsory and either question 7or 8 in spaces provided after question 8
  • Answer all the questions in the spaces provided.
  • This paper consists of 10printed pages.
  • Candidates should check to ascertain that all pages are printed as indicated and that no questions are

missing.

For Examiners Use Only

Section Question Maximum score Candidate’s score
A 1 2 3 4 5 8 8 8 8 8
B 6 7 8 20 20 20
Total  Score 80

SECTION A (40MARKS)

Answer all the question in this section in the spaces provided.

  1. (a) Suggest two reasons why cross pollination is considered advantageous over self pollination.

                                                                                                                          (2marks)

.………………………………………………………………………….…………………………………

            …..……………………………………………………………………….…..……………………………

(b) State three mechanisms in plant that prevent self pollination.(3marks)

     .……………………………………………………………………………………………………………

………………………………………………………………………………………….…………………

     ………………………………………………………………………………………………………………

(c) What are the functions of the following in a mammal?

      (i) Sominiferous tubules. (1mark)      …………………………………………………………………………………………………………..…

       ……………………………….……………………………………………………………………………

(ii) Oviduct (1mark)

     .……………………………………………………………………………………………………………

       ………….……………………………………………………………………………………………………

 (iii) Prostate glands(1mark)

     ….…………………………………………………………………………………………………………

       ………….………………………………………………………………………………………………….

A
B
C
Nucleus

(a) Study the organism shown below and answer the questions that follows

  •  State the kingdom to which the organism belongs and give reason for your answer. (2marks)

….………………………………………………………………………………………………………

….….…………………………………………………………………………………………………

  • Name the structure labelledA.    (1mark)

.………………………………………………………………………………………………………

………………………………………………………………………………………………………

  • Give the function of the part labeled C.   (1mark)

.………………………………………………………………………………………………………

………………………………………………………………………………………………………

(b) The diagram below shows the exchange site between circulatory system and body cells.

A
B
C
Tissue fluid
Flow of blood   Body cell  

  • Name the blood cell labelledB.(1mark)

.…………………………………………………………………………………………………………

……………………………………………………….…………………………………………………

  • State the gas that diffuses from B to the tissue cell.  (1mark)

.…………………………………………………………………………………………………………

………………………………………………………………………………………………………

  • How is tissue fluid formed? (1mark)

.…………………………………………………………………………………………………………

………………………………………………………………………………………………………….

  • Name the cell labeled C (1mark) .…………………………………………………………………………………………………………
  • Hemophilia or bleeder’s disease is a condition in which blood takes a longer time than usual to clot. This is due to lack of a certain blood protein. The gene for hemophilia is recessive to the gene for normal clotting factor and is found on the X-chromosome.

(a) Explain why there are only female carriers for hemophilia and no male carriers for traits.  (1mark)

.…………………………………………………………………………………………………………

………………………………………………………………………………………………………….

(b)A carrier female for hemophilia trait married a normal male. Work out the possible genotype of the children. Let letterH representthe normal gene, and let hrepresents the gene for hemophilia.(4marks)

.…………………………………………………………………………………………………………

…………………………………………………………………………………………………………..…………………………………………………………………………………………………………

………………………………………………………………………………………………………….

(c)Name one other disorder in humans that is determined by certain genes on the X-chromosome thatlack a corresponding allele on the Y chromosome. (1mark)

.…………………………………………………………………………………………………………

(d) Explain how comparative embryology is an evidence for organic evolution. (2marks)

.…………………………………………………………………………………………………………

.…………………………………………………………………………………………………………

………………………………………………………………………………………………………….

  • The diagram below shows the sequence of a hypothetical reaction catalyzed by enzymes.

M      q Ns         P

  • What would happen if enzyme q is inactivated?  (2marks)

.…………………………………………………………………………………………………………

…………………………………………………………………………………………………………..

………………………………………………………………………………………………………….

  • Given that the food product N is a peptide, state the identity of enzyme  ‘S’ (1mark)

.…………………………………………………………………………………………………………

………………………………………………………………………………………………………….

  • Explain what would happen in each of the following:

(i) Increasing concentration of enzymes q.      (1mark)

.…………………………………………………………………………………………………………

………………………………………………………………………………………………………….

(ii) Inhibitor introduced that inhibits action of enzyme ‘S’. (1mark)

.…………………………………………………………………………………………………………

………………………………………………………………………………………………………….

  • List three factors that affect the rate of enzyme action. (3marks)

.…………………………………………………………………………………………………………

………………………………………………………………………………………………………….

.…………………………………………………………………………………………………………

  • The diagram below shows the internal structure of generalized seed .study it  and answer the questions that follow;
N V U P   M T
  • (i)Name the partslabelled on the diagram: N, P, U and V.                                                        (4marks)

.…………………………………………………………………………………………………………

…………………………………………………………………………………………………………..…………………………………………………………………………………………………………

………………………………………………………………………………………………………….

(ii)State the function of the parts labelledM and T. (2mark)

M…………………………………………………………………………………………………………………………………………………………………………………………………………… T-……………………………………………………………………………………………………

  • State the type of germination exhibited by the Garden pea. (1mark)

.…………………………………………………………………………………………………………

  • What is the difference between the germination type named in (b) above and that of abroad of a bean.                                                                                                                                                     (1mark)  

.…………………………………………………………………………………………………………

………………………………………………………………………………………………………….

SECTION B (40MARKS)

Answer question 6 (compulsory) in the spaces provided and either question 7 or 8 on the spaces provided after question 8.

  • Some students used a model to demonstrate the effect of sweating on human body temperature. Two boiling tube A and B were filled with hot water. The temperature of water in the tubes A was taken at the start of experiment and then at 5minutes interval. The surface of tube A was continuously wiped with a piece of cotton wool soaked in methylated spirit. The results obtained are shown in the table below.
Time Temperature in 0C in tubes
Minutes A B
0 80 80
5 54 67
10 40 59
15 29 52
20 21 47
25 18 46
  • On the same axes, plot graphs of temperature of water in the tubes against time. (Graph paper provided)                                                                          (7marks)
  • At what rate was the water-cooling in tube A? (1mark)

.…………………………………………………………………………………………………………

………………………………………………………………………………………………………….

  • Why was tube B included in the set up?    (1mark)

.…………………………………………………………………………………………………………

………………………………………………………………………………………………………….

  • Account for the rate of cooling in tube A (3marks)

.…………………………………………………………………………………………………………

…………………………………………………………………………………………………………..…………………………………………………………………………………………………………

  • State two processes of heat loss in tube B.    (2marks)

.…………………………………………………………………………………………………………

………………………………………………………………………………………………………….

  • What would be the expected results if tube A was insulated?  (1mark)

.…………………………………………………………………………………………………………

………………………………………………………………………………………………………….

  • What would the insulation be comparable to in:

(i) Birds ………………………………………………………………………………………………………………………………………………………………………………………………..…………………… (1mark)

(ii) Mammals

………………………………………………………………………………………………………………………………………………………………………………………………………..…………… (1mark)

  • Name the structures in the human body that detect:
  • External temperature changes

……………………………………………………………………………………………………. (1mark)

  •  Internal temperature changes

……………………………………………………………………………………………………. (1mark)

7. (a) Distinguish between tissue respiration and  breathing.  (4marks)

(b) Describe how carbon (IV) oxide produced by respiratory liver cells reaches the alveoli cavities in the mammalian lungs.(16marks)

8.     (a) Describe the roles of Auxins and Ethylene in plant growth and Development.(10marks)          

         (b)How are xerophytes adapted to their habitat?                                              (10marks)      

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