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Biology for IGCSE & O level - Characteristics And Classification Of Living Organisms (Section 5)

1
Which of the following statements about ferns is correct?
Answer
B
C
D
2
What is the main function of the phloem?
Answer
(B)
To transport sugars
3
What is an example of a dicotyledon?
Answer
(C)
Magnolia
4
Which type of leaf venation is commonly found in monocotyledons?
Answer
(B)
Parallel
5
Which of the following is a characteristic that insects and arachnids have in common?
Answer
B
C
6
Which of the following best describes the appearance of leaves in monocotyledons?
Answer
(B)
Narrow with parallel veins
7
Which of the following is a correct step in making a dichotomous key?
Answer
(D)
Each question will require a yes or no answer to determine which route to take.
8
What is the most inclusive level of classification in the biological system?
Answer
(C)
Kingdom
9
Which plant structure houses the seeds?
Answer
(C)
The flower (ovary)
10
Which of the following are characteristics of insects?
Answer
A
B
D
11
Which of the following is an example of asexual reproduction?
Answer
(B)
Binary fission
12
Which of the following is a characteristic found in both ferns and flowering plants?
Answer
A
C
D
13
What structure is present in the leaves and some stems and contains chloroplasts?
Answer
(C)
Chloroplasts
14
Which of the following is a part of a plant's reproduction process?
Answer
(C)
Spore production
15
What structure protects the plant from water loss?
Answer
(A)
Cuticle
16
What is the primary function of xylem vessels in flowering plants?
Answer
(B)
Transport water and mineral ions
17
What part of a plant is described as the part above ground?
Answer
(C)
The shoot
18
Which of the following statements best describes the main characteristic of monocotyledons?
Answer
(B)
They have one cotyledon in their seeds and leaves with parallel veins.
19
Which of the following is a feature of both dicotyledons and monocotyledons?
Answer
(D)
Xylem and phloem
20
Which of the following structures carries water and mineral ions in plants?
Answer
(C)
Xylem vessels
21
Which plant group has leaves that often have a waxy layer (the cuticle)?
Answer
(A)
Ferns
22
Which of the following structures are found in the shoot?
Answer
A
B
D
23
What part of a flowering plant develops into the fruit?
Answer
(B)
The ovary
24
Which of the following is not a characteristic of ferns?
Answer
(C)
They have seeds.
25
What are the main features of flowering plants?
Answer
A
B
C
26
What is the name of the process where plants use the sun's energy to convert carbon dioxide and water into simple sugars?
Answer
(C)
Photosynthesis
27
Which structure is responsible for transporting dissolved sugars in flowering plants?
Answer
(C)
Phloem tubes
28
What is the role of chlorophyll in plants?
Answer
(C)
To capture sunlight.
29
What characteristic is associated with monocotyledon seeds?
Answer
(C)
One cotyledon
30
What part of a plant anchors it to the ground?
Answer
(C)
Roots
31
What is the role of chlorophyll?
Answer
(A)
To absorb sunlight for photosynthesis
32
Which of the following is NOT a part of the shoot of a flowering plant?
Answer
(C)
Roots
33
Which of the following is a characteristic of invertebrates?
Answer
(C)
They lack a backbone.
34
Which of the following are arthropods?
Answer
A
B
D
35
Which of the following is a key feature used in a dichotomous key?
Answer
(C)
A series of paired statements or questions.
36
What is the name of the process by which plants make their own food?
Answer
(C)
Photosynthesis
37
What is the primary function of the circulatory system in animals?
Answer
(C)
To transport oxygen and nutrients.
38
Which is the correct pathway in a dichotomous key?
Answer
(A)
Begin at start -> answer questions based on characteristics -> reach the identification
39
Which of the following characteristics are shared by all living organisms?
Answer
A
B
C
40
Which class of vertebrates is characterized by being cold-blooded and laying eggs, but spending a portion of their lives in water?
Answer
(D)
Amphibians
41
What is the primary function of the cuticle in plants?
Answer
(B)
To prevent water loss
42
Which of the following is a characteristic used to differentiate between dicotyledons and monocotyledons?
Answer
(C)
Number of seed leaves
43
Dicotyledons are most likely to have which of the following?
Answer
(C)
Two cotyledons in the seed
44
What structure is present in the leaves and some stems to contain chloroplasts?
Answer
(B)
Chloroplasts
45
Which of the following is an example of a prokaryotic organism?
Answer
(C)
A bacterium
46
What process do ferns and flowering plants both use to get rid of water?
Answer
(B)
Transpiration
47
What is the name given to the flowering plants that have one cotyledon in their seeds?
Answer
(A)
Monocotyledons
48
Which part of the plant anchors it firmly in the ground?
Answer
(B)
Roots
49
What is the main function of the excretory system?
Answer
(B)
To eliminate waste.
50
Which of the following is the most accurate description of a species?
Answer
(A)
A group of organisms that are closely related and can interbreed.