Class 3 Science Olympiad Sample paper on Plants - Set 01

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Science
Worksheet
Plants - Set 01
Class 3
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03PLANTS | WS 01
Name: _______________________
Date: _______________
Try to solve the crossword on "plants" within 10 minutes.
Across
1. ___ grass in Africa is about 4.5 metres high
2. Roots absorb water and ___ from the soil
4. ___ give rise to a new plant
10. ___ plants grow in water or in wet soil
under the water
11. Short plant with green, delicate stem
13. ___ use special structures called tendrils to
climb
14. Have very fragile stems that can neither
stand erect
15. Eaten by grazing plants
Down
3. Food factory of the plant
5. Carries water and minerals to different parts
of the plant
6. ___ turn into fruits
7. Large plants with strong. tall and woody
stem
8. A ____ stem is thick but soft
9. Unwanted plants
12. A medium-sized plant with bushy, hard
stems with branches
13 12
9 6 7
2
11
3
14 4
8
15
5
10
1
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03PLANTS | WS 01
ANSWER SHEET
C
13
L I M B E R S
12
H
W
9
F
6
T
7
R
M
2
I N E R A L S R U
E O H
11
E R B
L
3
D W E
C
14
R E E P E R S S
4
E E D S
A B
8
R
V G
15
R A S S
E N S
5
S A
10
Q U A T I C
N E
E
1
L E P H A N T M

03PLANTS | WS 02
Name: _______________________
Date: _______________
Fill in the blanks with the words from the box to complete the article on GROWTH
HABITS OF PLANTS.
flexible watermelon flowers vitamins hard
creep fragile uprooted medium-sized nutritional
Rose tendrils growth thick trunk
coconut erect money delicate weight
Based on ____________ habit plants are broadly categorized into the following groups.
Herbs: Starting from the smallest, herb is a short plant with green, ________________
stem without the woody tissues. Generally, they have few branches or without
branches. These can be easily ________________ from the soil.They contain enough
______________________ benefits and ________________ to make it a part of the diet.
Tomato, wheat, grass are few examples of herbs.
Shrubs are much taller than herbs which might be of our height. Shrub is a
________________________ plant with bushy, ________ stems with branches. Although
stems are hard, they are ________________ but not fragile. ________, lemon, and
henna are some of the common shrubs around us.
Trees are big and tall plants. They have very __________ and hard stems called the
__________. This single main stem i.e, trunk give rises to many branches bearing
leaves and fruits. Some trees are without branch like ______________ tree; they have
only one main stem which bears leaves, ______________, and fruits all by itself.
Banyan, mango, cashew, are some examples of trees.
Climbers are much advanced than creepers. Even climbers have a very weak stem
but they can climb upon along with some support to grow and carry their
____________. These types of plants use special structures called ________________
to climb on. Examples of climbers are pea plant, __________ plant, etc.
Creepers, as the name suggests are the plants which __________ on grounds. They
have very ______________ stems that can neither stand __________ nor support all of
its weight. For example, ____________________, pumpkin, etc.

Notes:

03PLANTS | WS 02
ANSWER SHEET
Based on growth habit plants are broadly categorized into the following groups.
Herbs: Starting from the smallest, herb is a short plant with green, delicate stem
without the woody tissues. Generally, they have few branches or without branches.
These can be easily uprooted from the soil.They contain enough nutritional
benefits and vitamins to make it a part of the diet. Tomato, wheat, grass are few
examples of herbs.
Shrubs are much taller than herbs which might be of our height. Shrub is a
medium-sized plant with bushy, hard stems with branches. Although stems are
hard, they are flexible but not fragile. Rose , lemon, and henna are some of the
common shrubs around us.
Trees are big and tall plants. They have very thick and hard stems called the
trunk . This single main stem i.e, trunk give rises to many branches bearing leaves
and fruits. Some trees are without branch like coconut tree; they have only one
main stem which bears leaves, flowers , and fruits all by itself. Banyan, mango,
cashew, are some examples of trees.
Climbers are much advanced than creepers. Even climbers have a very weak stem
but they can climb upon along with some support to grow and carry their weight .
These types of plants use special structures called tendrils to climb on. Examples
of climbers are pea plant, money plant, etc.
Climbers
Creepers, as the name suggests, they are the plants which creep on grounds. They
have very fragile stems that can neither stand erect nor support all of its
weight. For example, watermelon , pumpkin, etc.
Notes:

03PLANTS | WS 04
Name: _______________________
Date: _______________
Unscramble to reveal 15 PLANT related words.
1. ENS TRAGELAPHS _ _ _ P _ _ _ _ G R _ _ _
2. MARLINES _ _ N _ _ _ L _
3. SLEAVE _ _ A V _ _
4. DESSE S _ _ _ _
5. TEMS S _ _ _
6. FOWLERS _ _ _ _ E _ S
7. RESET T _ _ _ _
8. AB NAAN _ A N _ _ _
9. SEWED W _ _ _ _
10. A ACQUIT _ _ _ _ T _ C
11. BHRE _ _ R _
12. BRUSH _ _ R _ _
13. RECLIMBS _ _ I _ B _ _ _
14. ER CREPES _ R _ _ _ E _ _
15. RGASS _ _ _ _ S

03PLANTS | WS 04
ANSWER SHEET
Unscramble to reveal 15 PLANT related words.
1. ENS TRAGELAPHS E L E P H A N T G R A S S
2. MARLINES M I N E R A L S
3. SLEAVE L E A V E S
4. DESSE S E E D S
5. TEMS S T E M
6. FOWLERS F L O W E R S
7. RESET T R E E S
8. AB NAAN B A N A N A
9. SEWED W E E D S
10. A ACQUIT A Q U A T I C
11. BHRE H E R B
12. BRUSH S H R U B
13. RECLIMBS C L I M B E R S
14. ER CREPES C R E E P E R S
15. RGASS G R A S S

03PLANTS | WS 05
Name: _______________________
Date: _______________
Search for 15 plants related words. They are placed in all directions (including
reverse) and tightly interweaved.
W R P P U B O H S H A T M W O R
D J O U M D S E L W P Q H U C V
A D G T P Q D P F N D S I L E X
Q O C N W L E R L T S D I R L A
U J V S U S E B O M O M N I E V
A Q K L B V S Q W X B L A P P M
T L E A V E S A E E I R O A H L
I Q I R T Z H E R B U R H S A D
C R E E P E R S S G A R L J N U
T Y U N D W A D D P Z N U S T I
A O G I U Z S E E R T T A U G C
X F R M K T J E U W J E Y N R V
Q V Z G E M M W S M Q N K H A O
C X Z M I X I T K J L V J V S I
I H F Y F O S Z F H X B B M S W
M G M C T X K X B Y Z B J C U M

03PLANTS | WS 05
ANSWER SHEET
Search for 15 plants related words. They are placed in all directions (including
reverse) and tightly interweaved.
W R P P U B O H S H A T M W O R
D J O U M D S E L W P Q H U C V
A D G T P Q D P F N D S I L E X
Q O C N W L E R L T S D I R L A
U J V S U S E B O M O M N I E V
A Q K L B V S Q W X B L A P P M
T L E A V E S A E E I R O A H L
I Q I R T Z H E R B U R H S A D
C R E E P E R S S G A R L J N U
T Y U N D W A D D P Z N U S T I
A O G I U Z S E E R T T A U G C
X F R M K T J E U W J E Y N R V
Q V Z G E M M W S M Q N K H A O
C X Z M I X I T K J L V J V S I
I H F Y F O S Z F H X B B M S W
M G M C T X K X B Y Z B J C U M
ELEPHANT
GRASS ↓
MINERALS
↑
LEAVES → SEEDS ↑ STEM ↙ FLOWERS ↓
TREES ← BANANA ↘ WEEDS ↑ AQUATIC ↓ HERB → SHRUB ←
CLIMBERS ↙
CREEPERS
→
GRASS ↖
15 words in Wordsearch: 6 vertical, 5 horizontal, 4 diagonal. (8 reversed.)

03PLANTS | WS 06
Name: _______________________
Date: _______________
Across
2. Plants get ___ from air
4. __ fiber is used to make ropes and sacs
6. ___ flower is used to make perfume
8. Can grow in very low or no water for long
period of time
10. Has a baby plant inside
11. Outer covering of a tree
12. Green pigment in leaves
13. Process by which plants make food
Down
1. Plants grow in soil as well as in ___
3. Grass has ___ roots
5. The stem of a ____ plant produces juice
7. Plants can be seasonal as well as ____
9. ___ oil is used for cooking
14. A non-green plant
15. A creeper
3
13
14 7
11 4
15
8 1
5
2
12 9
6
10

03PLANTS | WS 06
ANSWER SHEET
F
3
P
13
H O T O S Y N T H E S I S
B M
14
P
7
B
11
A R K J
4
U T E
W
15
O S R
C
8
A C T U S H E W
1
T S R N A
S
5
E O N T
U C
2
A R B O N D I O X I D E
G M M A R
A E L
R C
12
H L O R O
9
P H Y L L
C O L
J
6
A S M I N E I
N V
E S
10
E E D

03PLANTS | WS 07
Name: _______________________
Date: _______________
Match the columns
1 WATER - - Has a baby plant inside A
2 CARBON DIOXIDE - - Plants grow in soil as well as in ___ B
3 FIBROUS - - Green pigment in leaves C
4 JUTE - - The stem of a ____ plant produces juice D
5 SUGARCANE - - Process by which plants make food E
6 JASMINE - - __ fiber is used to make ropes and sacs F
7 PERENNIAL - - A creeper G
8 CACTUS - - Plants can be seasonal as well as ____ H
9 OLIVE - - Grass has ___ roots I
10 SEED - -
Can grow in very low or no water for
long period of time
J
11 BARK - - A non-green plant K
12 CHLOROPHYLL - - ___ oil is used for cooking L
13 PHOTOSYNTHESIS - - Plants get ___ from air M
14 MUSHROOM - - Outer covering of a tree N
15 WATERMELON - - ___ flower is used to make perfume O

03PLANTS | WS 07
ANSWER SHEET
Match the columns
1 B WATER ⇢ Plants grow in soil as well as in ___
2 M CARBON DIOXIDE ⇢ Plants get ___ from air
3 I FIBROUS ⇢ Grass has ___ roots
4 F JUTE ⇢ __ fiber is used to make ropes and sacs
5 D SUGARCANE ⇢ The stem of a ____ plant produces juice
6 O JASMINE ⇢ ___ flower is used to make perfume
7 H PERENNIAL ⇢ Plants can be seasonal as well as ____
8 J CACTUS ⇢ Can grow in very low or no water for long period of time
9 L OLIVE ⇢ ___ oil is used for cooking
10 A SEED ⇢ Has a baby plant inside
11 N BARK ⇢ Outer covering of a tree
12 C CHLOROPHYLL ⇢ Green pigment in leaves
13 E PHOTOSYNTHESIS ⇢ Process by which plants make food
14 K MUSHROOM ⇢ A non-green plant
15 G WATERMELON ⇢ A creeper

03PLANTS | WS 08
Name: _______________________
Date: _______________
Tick (✔) the correct option.
1. Plants get carbon dioxide from the soil
a. True
b. False
2. The main purpose of a flower is to
produce seeds
a. True
b. False
3. Leaves of a plant are green because they
are born from green coloured seeds
a. True
b. False
4. The main function of chlorophyll is to
perform photosynthesis
a. True
b. False
5. The mushroom gets its food dead and
decaying plants
a. True
b. False
6. Fruits are called the food factories of the
plants
a. True
b. False
7. Plants store extra food in the form of
starch
a. True
b. False
8. When you are eating sugarcane, you are
eating the stem
a. True
b. False
9. Tiny pores in the leaves are called
stomata
a. True
b. False
10. Veins absorb water and minerals from the
soil
a. True
b. False
11. Grass and carrot have fibrous roots
a. True
b. False
12. In carrot, it is the root which stores the
food
a. True
b. False
13. The flat broad part of the leaf is called
leaf blade
a. True
b. False
14. Oxygen is never released by a plant
a. True
b. False

03PLANTS | WS 08
ANSWER SHEET
Tick (✔) the correct option.
1. Plants get carbon dioxide from the
soil
a. True
b. False
2. The main purpose of a flower is to
produce seeds
a. True
b. False
3. Leaves of a plant are green
because they are born from green
coloured seeds
a. True
b. False
4. The main function of chlorophyll is
to perform photosynthesis
a. True
b. False
5. The mushroom gets its food dead
and decaying plants
a. True
b. False
6. Fruits are called the food
factories of the plants
a. True
b. False
7. Plants store extra food in the
form of starch
a. True
b. False
8. When you are eating sugarcane,
you are eating the stem
a. True
b. False
9. Tiny pores in the leaves are called
stomata
a. True
b. False
10. Veins absorb water and minerals
from the soil
a. True
b. False
11. Grass and carrot have fibrous
roots
a. True
b. False
12. In carrot, it is the root which
stores the food
a. True
b. False

13. The flat broad part of the leaf is
called leaf blade
a. True
b. False
14. Oxygen is never released by a
plant
a. True
b. False

03PLANTS | WS 09
Name: _______________________
Date: _______________
In the cryptogram, substitute the code letters for the real letters to reveal 3
plant facts.
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
90 81 86
N O O Y O
66 73 75 90 77 69 87 69 71 80 74 73 81 65 81 66 74 86 73 73 77 81
O O N O Y N .
67 75 89 71 88 81 81 79 75 90 79 81 83 86 84 71 90
O O O N O
78 75 67 78 81 81 85 69 81 90 71 81 88 77 74 71
O N N N
88 75 69 77 71 69 77 84 65 81 76 85 90 84 66 73 75 90 77 69 85 90
O . N O
77 74 71 76 81 65 73 79 85 77 80 75 90 84 65 81 76
O O N N
81 70 71 65 81 90 71 67 71 77 71 65 85 90 75
N Y .
69 85 90 84 73 71 79 75 86

Y O O O , N
77 74 71 77 86 66 71 81 88 88 81 81 79 66 73 75 90 77 69
.
67 75 89 71 85 69 69 87 84 75 65

03PLANTS | WS 09
ANSWER SHEET
In the cryptogram, substitute the code letters for the real letters to reveal 3 plant
facts.
75 78 80 79 71 88 84 74 85 68 89 73 67 90 81 66 82 65 69 77 87 70 76 83 86 72
P L A N T S U S E C H L O R O P H Y L L T O
66 73 75 90 77 69 87 69 71 80 74 73 81 65 81 66 74 86 73 73 77 81
M A K E F O O D A N D O X Y G E N .
67 75 89 71 88 81 81 79 75 90 79 81 83 86 84 71 90
B A M B O O I S O N E O F T H E
78 75 67 78 81 81 85 69 81 90 71 81 88 77 74 71
F A S T E S T G R O W I N G P L A N T S I N
88 75 69 77 71 69 77 84 65 81 76 85 90 84 66 73 75 90 77 69 85 90
T H E W O R L D . I T C A N G R O W
77 74 71 76 81 65 73 79 85 77 80 75 90 84 65 81 76
O V E R O N E M E T E R I N A
81 70 71 65 81 90 71 67 71 77 71 65 85 90 75
S I N G L E D A Y .
69 85 90 84 73 71 79 75 86

T H E T Y P E O F F O O D , P L A N T S
77 74 71 77 86 66 71 81 88 88 81 81 79 66 73 75 90 77 69
M A K E I S S U G A R .
67 75 89 71 85 69 69 87 84 75 65

03PLANTS | WS 10
Name: _______________________
Date: _______________
In the cryptograms below, substitute the code letters for the real letters to
reveal 3 plant facts.
74 69 90
78 88 79 88 79 88 67 89 80 73 82 73 79 81 88 72 72
, . Y
83 72 88 79 81 67 79 73 81 81 80 84 84 67 81 76 84 90
88 80 84 81 76 84 72 88 80 89 84 67 81 83 72 88 79 81 67 75 79
D D
81 76 84 82 73 80 72 74 81 76 88 81 74 73 79 73 81
V D .
76 88 69 84 82 73 73 74 84 79 67 81 84 87 67
Y
85 88 85 81 77 67 67 81 84 87 67 88 80 84 77 67 77 88 72 72 90
V Y , Y
69 84 80 90 81 76 75 85 71 78 84 85 88 77 67 84 81 76 84 90
D .
67 81 73 80 84 82 88 81 84 80 75 79 67 75 74 84

Y
88 67 77 79 86 72 73 82 84 80 82 75 72 72 88 72 82 88 90 67
D .
83 73 75 79 81 81 73 82 88 80 74 67 81 76 84 67 77 79 75 81
V V
82 75 72 72 84 69 84 79 87 73 69 84 88 67 81 76 84 67 77 79
V Y .
87 73 69 84 67 88 85 80 73 67 67 81 76 84 67 71 90

03PLANTS | WS 10
ANSWER SHEET
88 78 85 74 84 86 89 76 75 68 71 72 87 79 73 83 65 80 67 81 77 69 82 70 90 66
B A N A N A S G R O W O N T A L L
78 88 79 88 79 88 67 89 80 73 82 73 79 81 88 72 72
P L A N T S , N O T T R E E S . T H E Y
83 72 88 79 81 67 79 73 81 81 80 84 84 67 81 76 84 90
A R E T H E L A R G E S T P L A N T S I N
88 80 84 81 76 84 72 88 80 89 84 67 81 83 72 88 79 81 67 75 79
T H E W O R L D T H A T D O N O T
81 76 84 82 73 80 72 74 81 76 88 81 74 73 79 73 81
H A V E W O O D E N S T E M S .
76 88 69 84 82 73 73 74 84 79 67 81 84 87 67
C A C T U S S T E M S A R E U S U A L L Y
85 88 85 81 77 67 67 81 84 87 67 88 80 84 77 67 77 88 72 72 90
V E R Y T H I C K , B E C A U S E T H E Y
69 84 80 90 81 76 75 85 71 78 84 85 88 77 67 84 81 76 84 90
S T O R E W A T E R I N S I D E .
67 81 73 80 84 82 88 81 84 80 75 79 67 75 74 84

A S U N F L O W E R W I L L A L W A Y S
88 67 77 79 86 72 73 82 84 80 82 75 72 72 88 72 82 88 90 67
P O I N T T O W A R D S T H E S U N . I T
83 73 75 79 81 81 73 82 88 80 74 67 81 76 84 67 77 79 75 81
W I L L E V E N M O V E A S T H E S U N
82 75 72 72 84 69 84 79 87 73 69 84 88 67 81 76 84 67 77 79
M O V E S A C R O S S T H E S K Y .
87 73 69 84 67 88 85 80 73 67 67 81 76 84 67 71 90

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Class 3 Science Olympiad Sample paper on Plants - Set 01

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