Class 5 Science Olympiad Sample paper on plants - Set 01

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Science
Worksheets
Plants - Set 01
Class 5
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05plants | WS 01
Name: _______________________
Date: _______________
Fill in the blanks with the words given in the box to complete the passage
on "seed dispersal".
hitch balloon fruits water feather-like
seeds ripe wind air float
travel dandelion expanded parachute Burs
plant prickly
________, those prickly little balls that stick to your clothes when you walk
through fields or gardens, are actually the ____________ of some plants. They
contain the __________ of the plant. They're so ______________ and sticky
because they have tiny little hooks in them. That way they can __________ a
ride on people and animals and deposit seeds in a new destination-and then a
new __________ can start to grow.
In a __________________ plant, the seeds are inside a fruit covered in tiny
________________________ leaves, a perfect design for ____________. The seeds
are picked up by the ________ and their little feathers act like a
__________________, allowing the fruit to float gently down to the ground. They
can fly a very long distance.
The lotus plant uses __________ to help spread its seeds. The roots of the plant
grow on the floor of a pond or river, and the stems arch over the surface of
the water. When the seeds are ________, they drop off the plant and
__________ through the water to a new destination. Some plants grow their
seeds in cases. As the seed grows, the case puffs up like a ______________.
When the pressure of the ________________ seed gets to be too much, the
casing bursts and the seeds are thrown into the ______.
Notes:
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05plants | WS 01
ANSWER SHEET
on "seed dispersal".
hitch balloon fruits water feather-like
seeds ripe wind air float
travel dandelion expanded parachute Burs
plant prickly
Burs , those prickly little balls that stick to your clothes when you walk
through fields or gardens, are actually the fruits of some plants. They contain
the seeds of the plant. They're so prickly and sticky because they have tiny
little hooks in them. That way they can hitch a ride on people and animals and
deposit seeds in a new destination-and then a new plant can start to grow.
In a dandelion plant, the seeds are inside a fruit covered in tiny feather-
like leaves, a perfect design for travel . The seeds are picked up by the
wind and their little feathers act like a parachute , allowing the fruit to float
gently down to the ground. They can fly a very long distance.
The lotus plant uses water to help spread its seeds. The roots of the plant

grow on the floor of a pond or river, and the stems arch over the surface of
the water. When the seeds are ripe , they drop off the plant and float
through the water to a new destination. Some plants grow their seeds in cases.
As the seed grows, the case puffs up like a balloon . When the pressure of the
expanded seed gets to be too much, the casing bursts and the seeds are
thrown into the air .

05PLANTS | WS 02
Name: _______________________
Date: _______________
on "different modes of seed dispersal".
birds fibrous Coconut farming balsam
fruits Light bodies jerks transport
spongy Spiny floating blown hairy
hooks
Various ways by which seeds are dispersed are:
(i) Dispersal by wind: __________ seeds or __________ seeds and hairy fruit get
__________ off with the wind to far away places. Examples: Sunflower, maple,
drumsticks etc.
(ii) Dispersal by water: Fruits or seeds which develop ________________ ability
in the form of ____________ or ______________ outer coat are carried away with
to different places. Example: ______________.
(iii) Dispersal by animals or __________: __________ seeds with __________
which get attached to the ____________ of animals and are carried to distant
places. Also, the fruits are eaten up by animals and birds and their seeds get
dispersed to far away places. Examples: Xanthium, Urena, Mango etc.
(iv) Dispersal by bursting: Some seeds are dispersed when the ____________
burst with sudden __________ and the seeds are scattered far from the parent
plant. Examples: castor and ____________.
v) Dispersal by human being: Humans also play an important role in seed
dispersal especially during plantation and ______________. They also
__________________ fruits which also help in the dispersal of seeds.
Notes:

05PLANTS | WS 02
ANSWER SHEET
on "different modes of seed dispersal".
birds fibrous Coconut farming balsam
fruits Light bodies jerks transport
spongy Spiny floating blown hairy
hooks
Various ways by which seeds are dispersed are:
(i) Dispersal by wind: Light seeds or hairy seeds and hairy fruit get blown
off with the wind to far away places. Examples: Sunflower, maple, drumsticks
etc.
(ii) Dispersal by water: Fruits or seeds which develop floating ability in the
form of spongy or fibrous outer coat are carried away with to different
places. Example: Coconut .
(iii) Dispersal by animals or birds : Spiny seeds with hooks which get
attached to the bodies of animals and are carried to distant places. Also, the

fruits are eaten up by animals and birds and their seeds get dispersed to far
away places. Examples: Xanthium, Urena, Mango etc.
(iv) Dispersal by bursting: Some seeds are dispersed when the fruits burst
with sudden jerks and the seeds are scattered far from the parent plant.
Examples: castor and balsam .
v) Dispersal by human being: Humans also play an important role in seed
dispersal especially during plantation and farming . They also transport
fruits which also help in the dispersal of seeds.
Notes:

05PLANTS | WS 03
Name: _______________________
Date: _______________
Sort the plants according to the mode of dispersal of their seeds.
Moringa Balsam. Sunflower Tacoma Poppy Coconut
Castor Maple Pipal Water lily Orchids Gulmohar
Hydrilla Palm tree Apple Blackberry Beans Ruellia
Cherry Dandelion Drumsticks Lotus Mango
Wind Water Animals of Birds Bursting
Notes:

05PLANTS | WS 03
ANSWER SHEET
Sort the plants according to the mode of dispersal of their seeds.
Moringa Balsam. Sunflower Tacoma Poppy Coconut
Castor Maple Pipal Water lily Orchids Gulmohar
Hydrilla Palm tree Apple Blackberry Beans Ruellia
Cherry Dandelion Drumsticks Lotus Mango
Wind Water Animals of Birds Bursting
Sunflower Coconut Mango Castor
Maple Water lily Blackberry Balsam.
Drumsticks Palm tree Cherry Beans
Dandelion Lotus Apple Ruellia
Poppy Hydrilla Pipal Gulmohar
Tacoma
Moringa
Orchids

05PLANTS | WS 04
Name: _______________________
Date: _______________
Decode the cryptogram to reveal a very interesting fact about Seed
dispersal.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
77 89 79
S R D R
71 75 76 79 75 81 89 71 71 86 83 90 76 77 74 89 82 83 71
S R
73 86 71 83 70 79 81 82 71 75 86 69 76 89 83 68 86 68 86 70
S R S
79 68 86 71 71 76 89 82 87 71 81 79 83 85 71 84
S D S D S
71 75 81 82 79 86 70 77 79 76 76 77 79 83 70 81 70 76
.
70 83 65 75 71
Notes:

05PLANTS | WS 04
ANSWER SHEET
Decode the cryptogram to reveal a very interesting fact about Seed dispersal.
867368 77 76 74 6575838078906970 81 8766 89 79 71 827267858488
T H E S H O R T T A I L E D F R U I T
71 75 76 79 75 81 89 71 71 86 83 90 76 77 74 89 82 83 71
B A T I N S O U T H A M E R I C A C A N
73 86 71 83 70 79 81 82 71 75 86 69 76 89 83 68 86 68 86 70
S C A T T E R U P T O S I X T Y
79 68 86 71 71 76 89 82 87 71 81 79 83 85 71 84
T H O U S A N D S E E D S I N O N E
71 75 81 82 79 86 70 77 79 76 76 77 79 83 70 81 70 76
N I G H T .
70 83 65 75 71

05PLANTS | WS 05
Name: _______________________
Date: _______________
Try to solve the crossword on "Seed Dispersal" within 10 minutes.
Across
1. Plants disperse fruits and seeds to
avoid ___.
2. Disperses by wind
4. Farmer disperses the seeds ____.
6. In ruellia, the fruits ____ on exposure
to moisture and humidity
7. Dandelion seeds are carried away by
the wind and travel like tiny ___.
9. Beans and legumes explode by this
method
10. Seeds dispersed by wind are usually
tiny, ___ and dry
14. Seeds of heavy fruits like apples
disperse due to the effect of ___.
Down
2. Phenomenon of carrying seeds to
distant areas
5. Disperses by water
8. In ___, walls of the fruit coil inwards
creating a force that throws seeds
far away
11. ____ seeds pass out along with the
faecal matter
12. Poppy, Tacoma, Moringa and Orchids
disperse by ___
13. Plants growing on the banks of rivers
disperse by the ____ of water
15. Seeds of this plant are dispersed by
birds which consume the fruit
12
2 11
1
8 13
7 5 15
14
9
10
4
6

05PLANTS | WS 05
ANSWER SHEET
Try to solve the crossword on "Seed Dispersal" within 10 minutes.
Across
1. Plants disperse fruits and seeds to
avoid ___.
2. Disperses by wind
4. Farmer disperses the seeds ____.
6. In ruellia, the fruits ____ on exposure
to moisture and humidity
7. Dandelion seeds are carried away by
the wind and travel like tiny ___.
9. Beans and legumes explode by this
method
10. Seeds dispersed by wind are usually
tiny, ___ and dry
14. Seeds of heavy fruits like apples
disperse due to the effect of ___.
Down
2. Phenomenon of carrying seeds to
distant areas
5. Disperses by water
8. In ___, walls of the fruit coil inwards
creating a force that throws seeds
far away
11. ____ seeds pass out along with the
faecal matter
12. Poppy, Tacoma, Moringa and Orchids
disperse by ___
13. Plants growing on the banks of rivers
disperse by the ____ of water
15. Seeds of this plant are dispersed by
birds which consume the fruit
W
12
I
D
2
A N D E L I O N U
11
I D C
1
O N G E S T I O N
S B
8
C
13
D
P
7
A R A C H U T E S W
5
P
15
I
E L R G
14
R A V I T Y G
R S R T P E
S A E
9
X P L O S I V E A S
A M N R L
10
I G H T
L T E
S M
4
A N U A L L Y D
I
E
6
X P L O D E
Y

05PLANTS | WS 06
Name: _______________________
Date: _______________
Draw a line to do the correct matching.
1 Congestion - - Disperses by wind A
2 Dispersal - - Farmer disperses the seeds ____. B
3 Dandelion - -
Dandelion seeds are carried away by the wind and travel like
tiny ___.
C
4 Manually - -
Plants growing on the banks of rivers disperse by the ____ of
water
D
5 Water Lily - - Beans and legumes explode by this method E
6 Explode - -
In ___, walls of the fruit coil inwards creating a force that
throws seeds far away
F
7 Parachutes - - ____ seeds pass out along with the faecal matter G
8 Balsam - - Disperses by water H
9 Explosive - -
Seeds of this plant are dispersed by birds which consume the
fruit
I
10 Light - -
Seeds of heavy fruits like apples disperse due to the effect of
___.
J
11 Undigested - -
In ruellia, the fruits ____ on exposure to moisture and
humidity
K
12 Wind - - Plants disperse fruits and seeds to avoid ___. L
13 Currents - - Poppy, Tacoma, Moringa and Orchids disperse by ___ M
14 Gravity - - Seeds dispersed by wind are usually tiny, ___ and dry N
15 Pipal - - Phenomenon of carrying seeds to distant areas O

05PLANTS | WS 06
ANSWER SHEET
Draw a line to do the correct matching.
1 L Congestion ⇢ Plants disperse fruits and seeds to avoid ___.
2 O Dispersal ⇢ Phenomenon of carrying seeds to distant areas
3 A Dandelion ⇢ Disperses by wind
4 B Manually ⇢ Farmer disperses the seeds ____.
5 H Water Lily ⇢ Disperses by water
6 K Explode ⇢ In ruellia, the fruits ____ on exposure to moisture and humidity
7 C Parachutes ⇢ Dandelion seeds are carried away by the wind and travel like tiny ___.
8 F Balsam ⇢ In ___, walls of the fruit coil inwards creating a force that throws seeds far away
9 E Explosive ⇢ Beans and legumes explode by this method
10 N Light ⇢ Seeds dispersed by wind are usually tiny, ___ and dry
11 G Undigested ⇢ ____ seeds pass out along with the faecal matter
12 M Wind ⇢ Poppy, Tacoma, Moringa and Orchids disperse by ___
13 D Currents ⇢ Plants growing on the banks of rivers disperse by the ____ of water
14 J Gravity ⇢ Seeds of heavy fruits like apples disperse due to the effect of ___.
15 I Pipal ⇢ Seeds of this plant are dispersed by birds which consume the fruit

05PLANTS | WS 07
Name: _______________________
Date: _______________
Search for the words (related to seed dispersal) in the puzzle below. Words are placed in all
directions (including reverse) and tightly interweaved.
A G X F Y U X Z M Y H G Q Z H T
G H B T E N W A T E R L I L Y E
X A N O I T S E G N O C D W R S
X H D P D L V R U W P V E J L L
E Y L L A U N A M G G M T A X Y
B Y X B N R I M K Z C E S Q F Q
E C X H D C A P S C L R E X M B
V X S G E I Q C U E E Z G B H X
I T P B L Z I R H P R Z I C Y K
S C E L I Z R P S U Y J D X S N
O O G R O E L I G H T R N Z R Z
L M E T N D D P A O I E U I Z Q
P S C T G N E A I M V O S C R B
X C S B I Z E L A J A S I Y Q I
E V Q W Q D B F A O R B L N Y U
G U S D Z Y O N M P G A W V V W
Congestion Dispersal Dandelion Manually Water Lily Explode
Parachutes Balsam Explosive Light Undigested Wind
Currents Gravity Pipal

05PLANTS | WS 07
ANSWER SHEET
Search for the words (related to seed dispersal) in the puzzle below. Words are placed in all
directions (including reverse) and tightly interweaved.
A G X F Y U X Z M Y H G Q Z H T
G H B T E N W A T E R L I L Y E
X A N O I T S E G N O C D W R S
X H D P D L V R U W P V E J L L
E Y L L A U N A M G G M T A X Y
B Y X B N R I M K Z C E S Q F Q
E C X H D C A P S C L R E X M B
V X S G E I Q C U E E Z G B H X
I T P B L Z I R H P R Z I C Y K
S C E L I Z R P S U Y J D X S N
O O G R O E L I G H T R N Z R Z
L M E T N D D P A O I E U I Z Q
P S C T G N E A I M V O S C R B
X C S B I Z E L A J A S I Y Q I
E V Q W Q D B F A O R B L N Y U
G U S D Z Y O N M P G A W V V W
Congestion ← Dispersal ↗ Dandelion ↓ Manually ← Water Lily → Explode ↘
Parachutes ↘ Balsam ↗ Explosive ↑ Light → Undigested ↑ Wind ↗
Currents ↙ Gravity ↑ Pipal ↓
15 words in Wordsearch: 5 vertical, 4 horizontal, 6 diagonal. (6 reversed.)

05PLANTS | WS 08
Name: ________________________
Date: _______________
Unscramble the words which are often used in the context of "Seed Dispersal".
1. OO SCENTING _ _ n _ _ _ t _ _ n 9. EVE OXLIPS _ _ _ _ _ _ i _ e
2. EL SPARIDS D _ _ _ e _ _ _ _ 10. GITLH _ _ _ h _
3. DO ANNELID D _ _ _ _ l _ _ _ 11. UG DESTINED U _ _ _ g _ s _ _ _
4. UM ANALLY M _ _ _ a _ _ _ 12. WIDN W _ _ _
5. WATERLILY _ a _ _ _ _ _ _ y 13. ER SCRUNT _ _ _ _ _ n t _
6. EX POLED _ _ _ l o _ _ 14. TI GRAVY _ _ a _ _ t _
7. AH CAPTURES _ _ _ _ _ h _ t _ s 15. PALPI P _ _ _ _
8. A BALMS _ _ _ s _ m

05PLANTS | WS 08
ANSWER SHEET
Unscramble the words which are often used in the context of "Seed Dispersal".
1. OO SCENTING C o n g e s t i o n 9. EVE OXLIPS E x p l o s i v e
2. EL SPARIDS D i s p e r s a l 10. GITLH L i g h t
3. DO ANNELID D a n d e l i o n 11. UG DESTINED U n d i g e s t e d
4. UM ANALLY M a n u a l l y 12. WIDN W i n d
5. WATERLILY W a t e r L i l y 13. ER SCRUNT C u r r e n t s
6. EX POLED E x p l o d e 14. TI GRAVY G r a v i t y
7. AH CAPTURES P a r a c h u t e s 15. PALPI P i p a l
8. A BALMS B a l s a m

05PLANTS | WS 09
Name: _______________________
Date: _______________
Decode the cryptogram to reveal a very interesting fact about "Seed dispersal".
74 68 78
I , T
74 76 75 89 87 81 89 79 68 82 84 86 89 87 87 81 65 72
T U I T I I
68 82 84 72 67 78 74 68 80 65 74 87 74 76 86 89 67 77 81
T I T T
80 67 84 89 68 74 76 70 89 72 65 67 80 84 68 82 89 68
T T T
68 82 67 65 86 81 68 82 84 81 84 84 77 81 68 65 89
I T .
77 74 81 68 89 76 80 84

05PLANTS | WS 09
ANSWER SHEET
Decode the cryptogram to reveal a very interesting fact about "Seed dispersal".
89 75 80 77 84 72 70 82 74 69 90 87 79 76 65 85 71 67 81 68 78 88 86 83 73 66
I N B A L S A M , T H E W A L L S O F
74 76 75 89 87 81 89 79 68 82 84 86 89 87 87 81 65 72
T H E F R U I T C O I L I N W A R D S
68 82 84 72 67 78 74 68 80 65 74 87 74 76 86 89 67 77 81
C R E A T I N G A F O R C E T H A T
80 67 84 89 68 74 76 70 89 72 65 67 80 84 68 82 89 68
T H R O W S T H E S E E D S T O A
68 82 67 65 86 81 68 82 84 81 84 84 77 81 68 65 89
D I S T A N C E .
77 74 81 68 89 76 80 84

05PLANTS | WS 10
Name: _______________________
Date: _______________
Unscramble the sentences below to reveal facts about "Seed dispersal".
1. __________ ________ __________ ______ __________________
____ animals
hooks / dispersed / Seeds / with / are / by
2. __________________ ____ ______ phenomenon of ________________
____________ ____ __________ ____ ______________ __________
areas / Dispersal / seeds / is the / carrying / distant / to / fruits / or
3. __________ ______ ____________ dispersed ____ ________ ______
usually __________ __________ ______ ______
Seeds / are / and / light / by wind / fruits / and / dry / tiny,
4. ____ ______________ ______________ ______ ____________
______________ ________ change in ________________ and
________________
certain / fruits / the / with / plants, / pressure / explode / humidity / In

05PLANTS | WS 10
ANSWER SHEET
Unscramble the sentences below to reveal facts about "Seed dispersal".
1. Seeds with hooks are dispersed by animals
hooks / dispersed / Seeds / with / are / by
2. Dispersal is the phenomenon of carrying fruits or seeds to distant areas
areas / Dispersal / seeds / is the / carrying / distant / to / fruits / or
3. Seeds and fruits dispersed by wind are usually tiny, light and dry
Seeds / are / and / light / by wind / fruits / and / dry / tiny,
4. In certain plants, the fruits explode with change in pressure and humidity
certain / fruits / the / with / plants, / pressure / explode / humidity / In

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Class 5 Science Olympiad Sample paper on plants - Set 01

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Class 5 Science Olympiad Sample paper on plants - Set 01