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Science questions, unit 5
Nama / NameKelas / ClassTarikh / Date

Plants

28 marks. Use Practice to check each answer as you go, or Exam to answer everything first and then check.

Section A: objective questions

8 marks
Choose the correct answer.
1

Question 1

Diagram 1 shows a papaya tree. How does it reproduce?
A papaya tree and a cut papaya fruit
Diagram 1
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B
The papaya tree makes fruits. Plants with fruits reproduce through seeds.
For the teacher: Remembering, low difficulty, standard 5.1.1
Textbook p. 72
2

Question 2

Which plant reproduces through spores?
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D
Ferns have no flowers. They reproduce through spores.
For the teacher: Remembering, low difficulty, standard 5.1.1
Textbook p. 73
3

Question 3

Diagram 2 shows a banana plant. Young plants grow near the bottom of the parent plant. What are these young plants called?
A banana plant with young plants at its base
Diagram 2
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A
Suckers are young plants that grow near their parent plant.
For the teacher: Understanding, low difficulty, standard 5.1.1
Textbook p. 72
4

Question 4

Diagram 3 shows a snake plant. The circle shows a new young plant growing in the soil. Which part of the snake plant was planted to grow it?
A snake plant, with a new young plant shown in a circle
Diagram 3
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C
The snake plant reproduces through its leaves.
For the teacher: Remembering, low difficulty, standard 5.1.1
Textbook p. 73
5

Question 5

Mak Cik Ros has a new wooden cupboard. Why is it good that trees in the forest keep reproducing?
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B
When trees keep reproducing, there will always be wood to make cupboards, tables and houses.
For the teacher: Understanding, medium difficulty, standard 5.1.2
Textbook p. 75
6

Question 6

Tiny pieces of a parent plant are put in a special jelly full of plant food. Many new plants grow. What is this technology called?
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A
Tissue culture grows new plants from tissues of a parent plant placed in a nutrient medium.
For the teacher: Remembering, low difficulty, standard 5.1.4
Textbook p. 77
7

Question 7

Which plant can reproduce in two different ways?
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D
Sweet potato reproduces by stem cuttings and by underground stems.
For the teacher: Understanding, medium difficulty, standard 5.1.3
Textbook p. 76
8

Question 8

Diagram 4 shows an onion growing in soil. Atuk wants to grow more onions in his kampung garden. What should he plant?
An onion growing in the soil with roots and green leaves
Diagram 4
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C
The onion bulb is an underground stem. When it is planted, it grows into a new onion plant.
For the teacher: Applying, medium difficulty, standard 5.1.1
Textbook p. 72

Section B: structured questions

20 marks
Answer all questions.
9

Question 9

Look at plants P, Q and R. Choose how each plant reproduces.
[1 mark] (a)Plant P: bougainvillea
Bougainvillea branch with pink flowers
P
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Stem cutting
A bougainvillea stem cutting grows into a new plant.
[1 mark] (b)Plant Q: onion
Two onion bulbs
Q
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Underground stem
The onion is an underground stem.
[1 mark] (c)Plant R: mushroom
A bunch of mushrooms
R
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Spores
Mushrooms have no flowers. They reproduce through spores.
For the teacher: Remembering, low difficulty, standard 5.1.1
Textbook p. 78
10

Question 10

Put each plant into the correct group. Choose suckers, stem cutting or leaves.
[1 mark] (a)Yam (keladi)
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Suckers
Young yam plants grow near the parent plant.
[1 mark] (b)Tapioca (ubi kayu)
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Stem cutting
A piece of tapioca stem grows into a new plant.
[1 mark] (c)Setawar
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Leaves
New setawar plants grow from the edges of its leaves.
For the teacher: Understanding, medium difficulty, standard 5.1.1
Textbook p. 72
11

Question 11

Pictures P and Q show what plants give to living things.
[1 mark] (a)What do plants give the animals in picture P?
A bird, rabbit, goat and cows eating plants on a farm
P
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Food
The animals are eating fruits, grass and carrots.
[1 mark] (b)The girl in picture Q says, "The air here is fresh!" What do the trees give her?
A girl with a backpack taking a deep breath of fresh air in a rainforest
Q
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Oxygen
Trees give out oxygen. We need oxygen to breathe.
[1 mark] (c)Plants need to reproduce so that they are always there to give ______ to other living things.
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food
Plants are a food source for people and animals.
For the teacher: Understanding, low difficulty, standard 5.1.2
Textbook p. 75
12

Question 12

Hana tested water spinach (kangkung) in two ways, X and Y. After a few days, new shoots grew in both containers.
ContainerWhat Hana plantedDid shoots grow?
XStem cuttings with roots, in waterYes
YSeeds, in soilYes
Water spinach stem cuttings in a jar of water
X
Seeds being planted in a jar of soil
Y
[1 mark] (a)Can water spinach reproduce in more than one way?
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Yes
Shoots grew from both the stem cuttings and the seeds.
[2 marks] (b)Name the two ways water spinach can reproduce.
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Tick each point you got.
For the teacher: Applying, medium difficulty, standard 5.1.3
Textbook p. 76
13

Question 13

Diagrams P and Q show two ways of using technology to grow more plants.
Small pieces of a plant are placed in a dish of jelly and many small plants grow
P
Roots are grown on a branch while it is still on the tree, then the branch is cut and planted
Q
[1 mark] (a)What is the technology in P?
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Tissue culture
[1 mark] (b)What is the technology in Q?
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Marcottage
[1 mark] (c)Give one example of a plant that can be grown using technology P.
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Tick each point you got.
For the teacher: Understanding, low difficulty, standard 5.1.4
Textbook p. 77
14

Question 14

Aina sorted some plants into two groups.
Group XGroup Y
fern, mushroomchilli, papaya
A fern
fern (X)
Mushrooms on a log
mushroom (X)
A papaya tree
papaya (Y)
[1 mark] (a)How do the plants in Group X reproduce?
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Tick each point you got.
[1 mark] (b)Aina finds a rambutan tree with fruits. Which group should she put it in?
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Group Y
A rambutan tree has fruits, so it reproduces through seeds, like chilli and papaya.
For the teacher: Analysing, high difficulty, standard 5.1.1
Textbook p. 73
15

Question 15

Pupils join a mangrove replanting programme. They plant many young mangrove trees.
Pupils and teachers planting young mangrove trees in the mud
Diagram 5
[1 mark] (a)Why do they plant young mangrove trees?
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Any 1 points
Tick each point you got.
[2 marks] (b)Danial says, "We do not need to plant new trees. There are already many trees." Do you agree? Give one reason.
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No. Trees are cut down for wood and to clear land, so new trees must grow so there is always food, a home for animals, oxygen and wood.
Tick each point you got.
For the teacher: Evaluating, high difficulty, standard 5.1.2
Textbook p. 71