SECTION A
Choose the best answer from the options A,B,C or D.
1.
Microorganisms
cause food decay. Such microorganisms are
I fungi III bacteria
II yeast IV protozoa
A. I
and III C.
III and IV
B. II and
III D.
I , II and III
2.
Which of the
objects below uses the principle of light reflection?
A.
Glass window C.
Bulb
B.
Spectacles D.
Mirror
3.
Which of the
statements below concerning energy is true ?
A.
Some living
things do not need energy.
B.
Non-living
things are not alive and so do not need energy to operate.
C.
The sun is the
main source of energy for all living things on Earth.
D.
An object that
produces energy is called renewable energy.
A.
Viruses C.
Fungi
B.
Bacteria D.
Protozoa
I.
All bacteria are
harmful
II.
They can
reproduce
III.
They can move
IV.
They breathe
A.
I and II C.
II , III and IV
B.
III and IV D. I, II, III and IV
A.
antibiotics C.
medications
B.
antiseptics D.
vaccination
·
It is
brightly coloured.
·
It has
fragrant and juicy flesh.
·
Its fruit
tastes sweet.
|
7.
The above characteristics help the fruit to be
dispersed by _______.
A.
wind C.
animals
B.
water D.
an explosive mechanism
Plant worm chicken python
|
8.
Which organism has the largest population ?
A.
The plant C.
The chicken
B.
The worm D.
The python
9.
What do living
things need to carry out their life processes and daily activities ?
A.
Food C.
Energy
B.
Water D.
Machines
10. Which statement about energy is not true ?
A.
Solar energy is
released by the sun.
B.
Chemical energy
is stored in the food we eat.
C.
Potential energy
is stored in fossil fuels.
D.
All moving
objects have kinetic energy.
11. What forms of energy does burning firewood release ?
I.
Heat energy
II.
Light energy
III.
Solar energy
IV.
Electrical
energy
A.
I and II C. I, II and IV
B.
III and IV D. I,
II, II and IV
A.
A rough and dark
surface
B.
A smooth and
dark surface
C.
A flat and
smooth surface
D.
A rough and
uneven surface
13. Which object is a good reflector of light ?
A.
A red cardboard C. A
woolen carpet
B.
A silver tray D.
A cotton shirt
14. Which of the following actions can increase the size of an inflated balloon ?
A.
Squeeze it with
both hands
B.
Keep it in a
refrigerator
C.
Pour cold water
over it
D.
Put it under the
sun.
15. Which animals has the same method of self-protection
as the zebra ?
A.
Tiger
C. Rhinoceros
B.
Chameleon D.
Pangolin
EXERCISE 2
A) Fill in the blanks with the correct answer
protect
|
butterfly
|
move
|
light
|
energy
|
Panda
|
a)
Some
microorganism can _____________ on their own.
b)
The parents
_____________ their young from danger.
c)
_____________
lays eggs on the undersides of leaves.
d)
_____________ is
the ability to do work.
e)
We need
______________ to see things around us.
f)
_____________
eat only bamboo shoots and leaves.
EXERCISE 3
SECTION B
Answer all question.
1. Fill in the blanks with the correct words.
|
gravity
|
waste materials
|
tracheal structures
|
lungs
|
reproduce
|
a.
Human breathes
through_______________ .
b.
Animals excrete to
remove _______________________ from their bodies.
c.
Grasshoppers and
cockroaches breathe through _______________________ .
d.
Plants
___________________to ensure the survival of their species.
e.
Plants respond to
water, sunlight and _________________.
2.
Fill in blanks with
the correct words from the box.
|
stings
|
poisonous
|
scales
|
thorns
|
live in herds
|
a. Centipedes have venomous ______________ on their
heads that can cause pain and kill their enemies.
b. A pangolin has hard _______________ to protect its
body
from injuries.
c. Buffaloes __________________________ and move from
place to place in numbers.
d. Pineapple plants are covered with ________________ to
protect themselves from their enemies.
e. The sap and fruit of the pong-pong tree are
______________ to humans and animals.
EXERCISE 4
How do these plants reproduce? Complete the sentences with the given words.
|
stem
cuttings
|
seeds
|
suckers
|
leaves
|
underground
stems
|
a. Bryophyllum
reproduces through ________________ .
b. Pineapples reproduce through _________________ .
c. Water lilies reproduce through ___________________ .
d. Sugar cane reproduce through ______________________ .
e. Tomatoes reproduce through ____________________ .
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