Science Class V
Beaconhouse School System - Central Region
Branch
NAME: _____________________________
DATE: _________________
Topic: Discovering Plants
SECTION: ____
1. Label the following diagram of a seed.
/2
Complete the following sentences:
/2
i.
A maize seed has only one seed, known as ___________________.
ii.
Germinating seed gets its food from the ___________________.
iii.
To germinate seeds need water, oxygen in the air and the _______________________
iv.
The hard outer layer of a seed; the protective covering is known as ________________
Topic: Discovering Plants- Life Cycles
1
2013-2014
Science Class V
Beaconhouse School System - Central Region
2. Circle the correct answer in the following.
Branch
/5
a. Name the structure that the arrow points to.
i.
Petal
ii.
Sepal
iii.
Anther
iv.
Style
b. The image below shows a small bean sprout. What does this sprout need to grow into a
healthy plant?
i.
Fertilizer only
ii.
Water only
iii.
Light only
iv.
Light and water
c. What factor is the least important to seed germination?
i.
Amount of heat.
ii.
Amount of light.
iii.
Amount of water.
iv.
All of these factors are very important.
Topic: Discovering Plants- Life Cycles
2
2013-2014
Science Class V
Beaconhouse School System - Central Region
Branch
d. The part of the slipper orchid flower where pollen can be found is called
i.
anther.
ii.
style
iii.
stigma
iv.
pollen tube
e. After the ovules are fertilized, what happens to the ovary?
i.
The ovary falls off.
ii.
The ovary becomes a flower.
iii.
The ovary becomes a seed.
iv.
The ovary becomes a fruit.
3. Answer the following questions:
i.
(a) Alia placed some soaked beans in a pot of soil to germinate. Describe what she will
observe as the beans germinate in the next few days.
/1
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
(b) What happens to the mass of the seed leaves of the beans as the beans germinate?
Explain your answer.
/1
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
Topic: Discovering Plants- Life Cycles
3
2013-2014
Science Class V
ii.
Beaconhouse School System - Central Region
Branch
This experiment below is meant to test how light affects seed germination.
a. How can he make his experiment fair?
/½
__________________________________________________________________
b. What factors should he keep the same? Write at least two factors.
/1
i.
___________________________________________________________
ii.
___________________________________________________________
iii.
___________________________________________________________
c. What factor should he keep different?
/½
__________________________________________________________________
Topic: Discovering Plants- Life Cycles
4
2013-2014
Science Class V
Beaconhouse School System - Central Region
Branch
4. There are few characteristics which are necessary for a seed to possess in order to be
dispersed. Read each of the characteristic given in the following table and in each case
write down why a seed should have this characteristic.
/5
#
Characteristic
1
.
Hooks or stiff hairs.
2
.
Fruits with wing-like or
parachute-like structure.
3
.
Sweet and juicy.
4
.
Split open with an
explosive force.
5
.
Fiborous Husk
Topic: Discovering Plants- Life Cycles
Reason
5
2013-2014
Science Class V
Topic: Discovering Plants- Life Cycles
Beaconhouse School System - Central Region
6
Branch
2013-2014