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ST. GEORGES’S GIRLS’ SECONDARY SCHOOL, NAIROBI.

FORM 2 APRIL HOLIDAY ASSIGNMENT TERM 1 2018

KISWAHILI

1. Soma kikamilifu utanzu wa semi na vipera

vyake vyote.

2. Huku ukirejelea Fani ya Fasihi

Simulizi,andika utanzu wa maigizo na

vipera vyake vyote:michezo ya

jukwaani,vichekesho,majigambo/vivugo,mi

chezo ya

watoto/vichekechea,ngonjera,ngoma,mivig

a,matambiko,ngomezi kisha uandike

maana,sifa na umuhimu wa kila kipera.

a) Maana

b)Sifa

c) Umuhimu

BIOLOGY.

1. Explain the following:

a) When transplanting a seedling it is advisable to

remove some leaves.

b) There are generally fewer stomata on the upper

side of leaves than on the lower side of the leaves.

2. Distinguish between single and double

circulations. Name two animals in which each of

the two circulations are observed.

3. Explain how the following adaptations minimize

rate of transpiration:

a) Sunken stomata.

b) Leaf folding.

4. State two functions of mammalian blood other

than transport of substances.

5. In a blood test a few drops of antiserum-B were

added to two samples of blood. No agglutination

occurred. What were the blood groups of the two

samples?

6. Describe the adaptations of the red blood cells to

their function.

7. Name two defects of the circulatory system that

result in narrowing of the lumen of arteries.

8. State how the following cells are suited for their

functions:

a) Palisade cell.

b) Xylem.

c) Root hair cell.

9. State the functional difference between arteries

and veins.

10. A doctor performing an operation cuts two

blood vessels by mistake. He notices that from one

blood vessel blood spurts out while from the other

blood vessel blood flows steadily. Identify with a

reason, the type of each of the blood vessels cut.

PHYSICS

Turning effect of a force

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1. a) State the principle of moments

(1 mk)

b) A metre rule whose centre of gravity is at the

50cm mark balances at the 35cm mark when a

mass of 500g is placed at the 25cm mark as

shown in the figure 8 below

i. Determine the mass of the metre rule

(3 mks)

ii. With the metre rule remaining on the knife-edge

at the 30 cm mark, a mass of 125g is suspended

from the 70 cm mark. The mass of 500g is

moved until the rule is balanced. Determine the

new position of the 500g mass (3 mks)

iii. Describe the state of equilibrium of the

metre rule, giving your reason

2. The diagram shown in the figure 7 below

shows a system in equilibrium with the rule

horizontal.

AB is a uniform rule of length 1.0m and weight

1.8N. Calculate the weight of the block X.

3. Figure 4 below shows a uniform metre rule in

equilibrium under the forces shown

Determine the weight of the metre rule.

4. a) Give one application of moments of force

(1mk KRC)

b) A uniform half metre rule of mass is freely

pivoted at mask. At what mark should a body

of mass be suspended for the system to balance

(3mks)

5. Figure 4 shows a uniform wooden plank which

weighs 10N. The plank is balanced at 0.8m

from one end by a mass of 2.5kg

2.5kg

0.8m

fig. 4

400g

100cm 40cm

20cm

500g

0 cm 25cm 30cm 100cm

Metre rule

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What is the length of the wooden plank in metres?

6. Figure 4 shows a uniform rod AE which is

40cm long. It has a mass of 2kg and pivoted at

D. If 2N is acting at point E, and 30N force is

passed through a frictionless pulley

Find the force (x) acting at end A

Equilibrium and centre of gravity

1. State the type of equilibrium for a rubber

ball placed on a horizontal table

Fig 1

2. The figure below shows a uniform

cardboard in the shape of a parallelogram.

Locate the centre of gravity of the cardboard.

(1 mark)

3. A non-uniform plank of wood of mass 5kg

balances on a point k, 0.15m from end A,

when a 2.4kg mass is suspended from one

end as shown. Determine the distance of the

centre of gravity of the plank from end A.

(3 marks)

4. Fig. 8 shows a track loaded such that its

center of gravity is as shown with a dot.

Fig. 8

More weights are added on the top of the first

load. Indicate on the diagram, the

relative position of the new center of

gravity.

(1mk KRC)

5. State two factors that may be considered

when designing the body of a racing cal to

enhance stability.

(2 mks)

6. The figure below shows a toy (Kelly doll). It

is observable that when the doll is tilted it

always returns to the upright position.

Explain this observation.

(2mks)

X

rubber ball

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7. State two ways in which stability of a body

can be increased

8. A uniform metre rule is balanced at its

centre. It is balanced by the 30N, 5N and the

magnetic force between P and Q. P is fixed

and Q has a weight of 5N

Ignoring the weight of the metre rule, calculate

the value of the magnetic force between Q and

P

Reflection at curved surfaces

1. The figure 3 below represents an object O

placed 5cm in front of a convex mirror. F is

the focal point of the mirror. (2 mks)

Fig 3

Draw rays to locate the position of the

image. Determine the image distance

2. The distance between an object and its

magnified real image produced by a

concave mirror is 20cm. When the object is

placed 10cm from the pole of the mirror.

Determine

i) Linear magnification of the image

(3 mks)

ii) The focal length of the mirror

(3 mks)

3. What are the characteristics of the image

formed when;

a) An object is placed beyond the

centre of curvature of a concave mirror? (1mk)

b). An object is placed between the

principal focus and the pole of a concave

mirror?(1mk)

4. State one advantage and one disadvantage

of using a convex mirror as a driving mirror.

(2 mks)

5. State one application of each of the

following;

(i) Convex mirror

(1mk)

(ii) Concave mirror.

(1mk)

(iii) Parabolic Reflector

(1mk)

30N Q 5N

P

Magnetic force

20cm 30cm

F O

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6. The graph in figure 7below shows the

relationship between magnifications of the

image against image distance of a concave

mirror. Use the formation on the graph to

answer questions that follow

Fig 7

a. Given that the mirror formula is vuf

111 ,

write down the equation of the graph.

(3 mks)

b. Determine the object distance when m =1.0

(2 mks)

c. Determine the focal length of the mirror (3

mks)

CHEMISTRY

1. Sodium and argon have atomic numbers 11 and

18 respectively.

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(i) Write the electronic arrangement of each:

Na: (1Mk)

Ar: (1mk)

(ii) Why is an atom of sodium larger that of argon

yet they have three energy levels each?

(2mrks)

(iii) Explain why argon does not react with oxygen

gas (2Mks)

2. Use the information below to answer the

questions that follow.

Element Atomic number

M 12

N 17

P 20

Q 16

(i) Write the electron arrangement of N ion.

(1Mark)

(ii) Which element has the largest atomic

radius? Explain (2Marks)

3. The table below gives information on four

elements by letters K, L, M and N. Study it

and answer the questions that follow. The

letters do not represent the actual symbols

of th elements.

a) Which two elements have two similar

properties? Explain (2mks)

b) What is most likely formula of oxide of L?

(1mk)

C) Which element is a non-metal? Explain

(1 mk)

d) Which one of elements is the strongest

reducing agent? Explain (2mks)

e) Explain why the ionic radius of L is bigger

than its atomic radius (2mks)

4. The table below gives the atomic numbers of

elements W, X, Y, and Z. The letters do not represent

the actual symbols of the elements.

Element W X Y Z

Atomic Number 9 10 11 12

a)Which one of the elements is least reactive?

Explain (1mk)

b)i) Which two elements would react most

vigorously with each other? (1mk)

ii) Give the formula of the compound

formed when the elements in b (i) react (1mk)

Element Electron

arrangement

Atomic

radius

(nm)

Ionic

radius(nm)

K

L

M

N

2, 8, 2

2, 8, 7

2, 8, 8, 1

2, 8, 8, 2

0.136

0.099

0.203

0.174

0.065

0.181

0.133

0.099

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5. An ion of phosphorous can be represented as

31 P3 15

Draw a diagram to show the distribution of the

electrons and the composition of the nucleus of the ion

of phosphorous.

6. The table below gives the energy required to remove the

outermost electron for some group I elements.

Arrange the elements in order of their reactivity starting

with the most reactive.

7. The electronic structures for elements represented

by letters A, B, C, D are

A 2 .8.6 B 2.8.2 C 2. 8. 1 D 2. 8. 8.

a) Select the element which forms:

(i)a double charged (1mk)

(ii)A soluble (1mk)

b) Which element has the shortest atomic radius?

Explain (2mks)

8. The table below the first ionization energies of

elements B and C.

What do these values suggest about the reactivity of B

compared to that of C? Explain (2mks)

9. Study the information in the table below and

answer the equations that follow

(Letters are not the actual symbols of the elements)

Element Electronic

Arrangement of

stable ion

Atomic

Radius (nm)

Ionic Radius

(nm)

N 2.8.8 0.197 0.099

P 2.8.8 0.099 0.181

R 2.8 0.160 0.065

S 2.8 0.186 0.095

T 2 0.152 0.068

U 2.8 0.072 0.136

(i) Write the formula of the compound formed

when N reacts with P. (atomic numbers are

N = 20; P = 17)

( 1 mk)

(ii) Identify the elements which belong to the

third period of the periodic table. Explain

(2 mks)

(iii) Which of the element identified in b (ii)

above comes first in the third period?

Explain (2 mks)

(iv) . Select two elements which are non- metals

(1 mk)

Element I II III IV

Energy kJmol-1 494 418 519 376

Element Ionisation energy KJ mol-1

B

C

494

736

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10. The table below shows electronic arrangement

of ions of elements,

(A – J. Not their actual symbols) study it and

answer the questions that follow.

Element ion Electronic

Arrangement

A A+

B B2+

C C-

D D2+

E E+

F F+

G G2+

H H-

I I3+

J J-

2.8

2.8.18

2.8

2.8

2

2.8.8

2.8.8

2.8.18.8

2.8

2.8.8

a) Give the electronic arrangement of atom of

element E (1

mark)

b) Give the atomic number of element D

(1 mark)

c) Give any elements that belong to the same

group of the periodic table (1 mark)

d) Give four elements that belong to the same

period of the periodic table ( 1 mark)

e) Give all the non- metallic elements ( 1 mark)

f) (f) Give the formula of the compound

that would be formed between D and J

(1 mark)

g) Which would be larger, the atomic radius of

E or its ionic radius Explain. (2 marks)

11. The table below shows the number of valence

electrons of the element P, Q and R.

Element P Q R

Number of valence electrons 3 5 2

a) Explain why p and R would not be

expected to form a compound. (1mk)

b) Write an equation to show the effect of heat

on the carbonate of R (1mk)

c) Write the formula for the most stable ion of

Q. (1mk)

12. An element G (not it’s actual symbol) is in

period 3 and group VII of the periodic table

(b) What is its atomic number. Show

your working (1 marks

(c) Give the formula and the electronic

arrangement of its most stable ion (1mk)

THE PERIODIC

TABLE/CHEMICAL FAMILLIES

1. (a)The grid below represents part of the

periodic table.

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(i) Position an element R on the grid if P has

atomic number 19. (1Mark)

(ii) . How does reactivity of O compare with that

of P. (1 mark

(iii) Write the formula of M oxide.

(1mark)

(iv) Compare atomic radius of J and L. Explain.

(2Marks)

(v) Using cross (x) diagram show how T atom

bond to another T. (1Marks)

(vi) Give one use of Q (1Mark)

2. Study the information in the table below and

answer the questions that follow. The letters do not

represent the actual symbols of the elements.

Element Atomic

number

Melting

point (0C)

Ionization

(KJmol-1)

P 11 97.8 496

Q 13 660 860

R 14 1410 914

S 17 -101 1258

T 19 63.7 419

(a) Write the electron arrangement for the ions

formed by elements P and T. (2mks)

P

T

(b) Select an element which is

(i) The most reactive metal (1mk)

(ii) A good conductor of electricity and

light. (1mk)

(c) In which period of the periodic table does

element T belong? (1mk)

(d) Element P loses its outermost electron least

readily than element T. Explain.

(2mks)

HISTORY AND GOVERNMENT

DEVELOPMENT OF INDUSTRY

1. Define industrialization

2. Name the early sources of energy and give

their advantages

3. Explain the uses of metals in Africa

4. Explain the effects of iron working

5. What is industrial revolution

6. Uses of –coal

- Petroleum

- Steam

- Electricity

- Solar energy

7. Give the characteristics of industrial

revolution

8. Explain the factors of industrialization in

Britain

9. Explain the social, political, and economic

effects of industrialization

CRE

Attempt the following question at the back of

your books

1. why is john the Baptist reffered to as the

second Elijah.7mks

2.Outine the preparation that were made for the

first coming of jesus as recorded in st lukes

gospel 5mks

3.Describe exorcism at carpenaum luke 4;31-

34 7mks

4.How do Christian continue with jesus work

of healing ministry 7mks

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5.How did jesus overcome his temptations

6mks

6.Give seven lessons why jesus had to undergo

temptations in the wilderness 7mks

7. Describe the call of Levi Luke 5; 27-32

7mks

8. Identify ways in which Jesus showed

concern for the needy in Galilee 7mks

9. Outline the importance of the temple of

Jerusalem at the time of Jesus Christ 7mks

HOME SCIENCE

1. List down two groups into which textile

fibres can be grouped into.

2. Draw a diagram to show after sub division

from the two major divisions of textile

fibres.

3. a) State four describe properties of cotton

b) State four describe properties of cotton.

4. Describe the physical identification of linen

through burning.

5. Explain three advantages and disadvantages

of using cotton fabric for a night wear.

6. Describe five precautions to take when using

a charcoal iron in finishing clothes.

7. Suggest two categories into which

detergents can be classified into.

8. List down two methods of making soap.

9. Name three materials necessary for soap

formation.

10. List down six types of soaps.

11. Highlight six substances added to soaps and

soapless detergents during manufacture and

give tier purpose.

12. Explain five qualities for good Laundry

detergent.

13. Describe five factors that determine the

efficiency of a detergent in washing

clothes.

14. a) Name the two types of water used in

laundry work.

b) What causes the two types of hardness?

15. Draw an electric iron box to show its parts.

AGRICULTURE

1. What do understand by soil sampling?

(1/2mark)

2. State and explain two methods of sampling

(4 marks)

3. llustrate your answer to question 2 above

(4marks)

4. Outline the steps followed in sampling the

soil (6 marks )

5. List down three important pieces of

information that accompanies the

composite sample to the laboratory (3

marks)

6. Define soil testing (1/2 mark)

7. State four reasons for testing the soil

(4marks)

8. State two methods of determining the soil

Ph. (1marks)

9. Outline the procedure in testing the soil

using;

(a) BDH universal indicator method (4marks)

(b) Universal indicator paper (3marks)

COMPUTER

1. Describe the four basic categories of

personal computer hardware

2. Identify the four types of computers and the

five types of personal computers

3. Distinguish between system software and

application software

4. What is the difference between data and

information?

5. What is the system unit?

6. What is a program?

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7. Define and describe sockets, slots, and bus

lines

8. What is memory? Name and describe three

types of memory.

9. Distinguish between a bus, and a bus width.

10. What is a power supply unit?

FRENCH

EXPRESSION ECRITE

1. Préparez un “cut-out” d’une personne

célèbre que vous admirez. Ecrivez un

paragraphe pour décrire ce personnage.

2. Ecrivez une lettre à votre correspondant(e)

ou vous lui parlez de votre école.

3. En utilisant vos dictionnaires, conjuguez les

verbes suivants.

Sortir Etre

Dormir Avoir

Servir Faire

Finir Savoir

Grandir Voir

Réussir Prendre

Vendre Aller

Apprendre Venir

Attendre Pouvoir

Répondre Vouloir

4. Make 10 sentences using any of the verbs

above.

BONNE VACANCES!

MUSIC

Instructions: Use manuscript paper for questions

4,5 and 6

1. Compose lyrics (words) two short

sentences for a patriotic song.

In English or Kiswahili.

2. Indicate the syllabic divisions of the song.

3. Mark the accented beat on the correct

syllable.

4. Compose a four bar rhythm in simple-

quadruple time signature using

crotchets,quavers,semiquavers and dotted

crotchet.

5. Compose a four bar rhythm in compound-

duple time signature

Use dotted crotchets,and quavers.

6. Write the major triads of D,A,B flat and E

flat all Major scales in the treble clef.

7. Name three types of aerophones and give

two examples for

Each that can be found in Kenyan

communities.

8. State factors that have affected African

traditional music.

9. Give the main characteristics of the

Baroque era.

10.Name any two musical forms of Baroque era.

BUSINESS STUDIES

1. Explain the benefits that a company gains

by being listed or quoted in the stock

exchange market.

2. Outline the requirements (Documents) for

the formation of Joint Stock Company.

3. What is a bill of exchange? Briefly explain

the various terms used in relation to a bill

of exchange.

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4. Highlight the circumstances that will make

a cheque be marked RD by a bank before

being returned to the depositor.

5. Explain the benefits that a private limited

company would get by converting to a

public limited company.

6. Briefly explain the meaning of the

following terms:

a) Privatization

b) Globalization

c) Nationalization

d) Liberalization

e) Cartel

7. Explain the differences between chain

stores and departmental stores.

8. Why would a trader offer goods on C.W.O

terms?

9. Outline the features of parastatals.

10. What is a debenture? Outline the various

types of debentures.

NOTE: The entry exam includes all what

you have covered in Home trade, Forms of

business Units and Holiday Assignment.

Happy Holiday.