Monday 26 November 2012

Assessment 1


                                                                             Assessment 1
SECTION A
Instruction: Each question is followed by four options, A, B, C and D. Choose the correct
answer.

1 Which of the following is not a basic need of an animal?
A Water
B Air
C Light
D Food

2 The figure below shows a fish bowl which has a layer of oil on the surface of the water.
What will happen after a week?
A The fish will grow bigger.
B The fish will compete for food.
C The fish will compete for mate.
D The fish will die.


3 Mei Lin covered some mushrooms with an opaque box. After several days, she removed the
opaque box and noticed that the mushrooms still grew well. This shows that…
A mushrooms do not need light to grow.
B mushrooms are unable to live in dark places.
C mushrooms are able to produce their own food.
D mushrooms can live without light and air.


4 Which of the plants in the above figure reproduce through spores?
A P only
B P and Q only
C Q and R only
D Q, R, and S only

5 The figure below shows plants that have been placed in sunlight. What happens if the plant is not watered for a few days?
A The leaves will be more green.
B The size of the leaves will increase.
C The plants will wilt.
D The plants will produce roots on the stems to absorb water from the air.



6 The flies and the lizard in the above figure will die because they do not get…
A water.
B food.
C air.
D enough space.

7 Seeds need all of the following to germinate, except…
A water.
B soil.
C air.
D heat.

8 Which of the following helps the excretion of waste products from the body?
A Exercising
B Sleeping
C Reading
D Talking

9 Which one of the following animals gives birth?
A Lizard
B Bat
C Cockroach
D Grasshopper


10 The figure below shows a pair of human organs of excretion labeled X.
What waste is excreted from the organs labeled X?
A Sweat
B Urine
C Carbon dioxide
D Solid waste

11 The animal shown in the picture above will grow into a…
A mosquito.
B frog.
C butterfly.
D grasshopper.

12 A frog can breathe in water and on land because it has two different breathing organs, which
are…
A the lungs and moist skin.
B the lungs and gills.
C the lungs and air tubes.
D the gills and air tubes.




13 Which of the following animals reproduces in the same way as the animals above?
A A stingray
B A penguin
C A dolphin
D A turtle



14 Which of the following animals can be classified in groups X and Y, based on how they
breathe?

           X                 Y
A Tadpole    Cockroach
B Chicken    Caterpillar
C Frog          Dragonfly
D Prawn       Worm


15 Which of the following plants reproduce in the same way?

A I and II only
B I and III only
C I and IV only
D III and IV only


16 Which of the following plants reproduce in the same way?
I Tapioca                  II Rose
III Sugar cane          IV Croton

A I and II only
B I and III only
C II and IV only
D I, II, III, and IV


Snake
Centipede
Scorpion


17 The animals in the list above protect themselves by…
A camouflage.
B pretending to die.
C producing a smell.
D using a sting.


18 The part marked X in the above diagram is used…
A for finding food.
B for protecting themselves.
C for easy movement.
D for locating predators.

19 The polar bear can survive in a cold and icy habitat because…
I it has very thick fur.
II its fur is white.
III it has a thick layer of fat under its skin.
A I and II only
B I and III only
C II and III only
D I, II, and III

20 Rubber trees can reduce water loss during the drought season…
A by having its leaves folded.
B by shedding its leaves.
C by having latex produced in the stem.
D by shedding bark from the stem.



SECTION B
Write your answers in the spaces provided.


1 The figure below shows that three different grasshoppers are immersed in water.
(a) Predict the results of this experiment after two hours.
________________________________________________________________________
________________________________________________________________________

(b) State your inference based on the observation in (a).
________________________________________________________________________
________________________________________________________________________

(c) Name the following variables.
i. Manipulated variable: ________________________________________________________________
ii. Responding variable:
________________________________________________________________

(d) What is the conclusion of this experiment?
________________________________________________________________________
________________________________________________________________________



2 The figure below shows the apparatus set up by a group of students in an experiment.
(a) What is the purpose of this experiment?
________________________________________________________________________
________________________________________________________________________

(b)
i. State an observation can you make from this experiment.
________________________________________________________________________

ii. Give an inference for your answer in (b)i.
________________________________________________________________________

(c) What is the conclusion can you make from this experiment?
________________________________________________________________________
________________________________________________________________________


3 The pictures below show three types of animals which have specific characteristics for protecting themselves from enemies.


(a) Name one specific characteristic of animal P which protects it.
________________________________________________________________________

(b) What is animal R doing?
________________________________________________________________________

(c) What are the specific characteristics of animal Q which cause enemies to stay away from it?
________________________________________________________________________



4 A pupil puts a yam leaf and a lime leaf together with a caterpillar in a glass container as shown in the figure below. After a day, the lime leaf is completely eaten by the caterpillar while the yam leaf is not eaten.

(a) What is the aim of this experiment?
________________________________________________________________________

(b) State one inference based on the observation.
________________________________________________________________________

(c) What is the importance of having poisonous leaves to the yam plant ?
________________________________________________________________________

(d) Name one other plant that has the same specific characteristic as the yam plant.
________________________________________________________________________




Assessment Answer

Answer


Section A
1 C
2 D
3 A
4 B
5 C
6 C
7 B
8 A
9 B
10 C
11 A
12 A
13 C
14 A
15 C
16 D
17 D
18 B
19 B
20 B

Section B
1 (a) The grasshoppers in beaker P and beaker R will die while the grasshopper in beaker Q will still be  
         alive.
   (b) The grasshoppers in beaker P and beaker R cannot breathe because their breathing structures are
         immersed in water.
   (c)  i.  Part of the body immersed
         ii. Grasshopper lives of dies
   (d) A grasshopper will die if its breathing structures are blocked.

2 (a) To study the response of a plant to water
   (b) i. The roots of the seedling grow towards the moist cotton wool.
        ii. Roots respond to the stimulus of water.
   (c) Roots of a plant respond to water because water is a basic need of the plant.

3 (a) Sharp spines on its body.
   (b) It is withdrawing its limbs and head into its shell.
   (c) Animal Q has a stings. A large number of them live together in a group.

4 (a) To study how plants protect themselves from enemies
   (b) The yam leaf is poisonous while the lime leaf is not poisonous.
   (c) To protect itself from enemies
   (d) Mushroom

Activity 3





 1. 

                                                                  Activity 3


The diagram below shows a measuring cylinder is filled up with five marbles.






(a)
What was the volume of water before the marbles fill in the measuring cylinder?






[1 mark]


(b)
Predict what will happens when marbles are filled into the water.






[2 mark]


(c)
What is the volume of water in the measuring cylinder when the marbels are filled in it?






[1 mark]


(d)
Find the volume of the marbles in cubic centimetre. What is the volume of a marble?






[1 mark]

Activity 2

Activity 2


.  1
The diagram below shows three different animals.






(a)
Name the breathing organs for the animals labelled X, Y and Z.
X:


Y:


Z:


[3 marks]


(b)
List two animals that have similar breathing organ as the animals labelled X, Y and Z.
X:


Y:


Z:


[3 marks]


(c)
What animals that use gills to breathe?



[1 marks]


(d)
What is the conclusion about the investigation above?






[1 mark]





Activity 1





1. 

Activity 1


Animals need air to ________.


A
move

B
excrete

C
breathe

D
reproduce

 2. 
Which of the following is the need for plant to produce food?


A
Oxygen

B
Hydrogen

C
Carbon dioxide

D
Carbon monoxide

 3. 
A plant used _______ to get water from soil.


A
root

B
stem

C
flower

D
leaves

 4. 
Which of the following are the  methods of measuring length using the limbs?


I
Step

II
Cubit

III
Straw

IV
Thumb


A
I and III only.

B
II and IV only.

C
I, II and IV only.

D
I, II, III and IV.


 5.
What of the following can be used to measure the length of a curved line?



I
String

II
Thread

III
Matches

IV
Paper clip


A
I and II only.

B
II and IV only.

C
I, III and IV only.

D
I, II, III and IV.

 6. 
The diagram below shows a measurement of a table.





What is the length of the table?


A
60 cm

B
65 cm

C
66 cm

D
72 cm

 7. 
What is the unit used in measuring the area of a basketball court?


A
Metre

B
Cubic metre

C
Square metre

D
Square kilometre

 8. 
The diagram below shows the set up of an experiment.





Which of the following is the main factor for the seed to germinate?


A
air

B
soil

C
water

D
sunlight


 9. 
Why animals need water?



I
To get energy

II
To keep themselves warm

III
To help in blood circulation

IV
To control body temperature


A
I and II only.

B
III and IV only.

C
I, III and IV only.

D
I, II, III and IV.

 10. 
Among the following are the basic needs of plants, except


A
air

B
food

C
water

D
sunlight